CN104934715A

CN104934715A - Multi-frequency-band wave-transparent metamaterial, antenna cover and antenna system

Info

Publication number: CN104934715A
Application number: CN201410100811.9A
Authority: CN
Inventors: 不公告发明人
Original assignee: Kuang Chi Innovative Technology Ltd
Current assignee: Kuang Chi Institute of Advanced Technology
Priority date: 2014-03-18
Filing date: 2014-03-18
Publication date: 2015-09-23

Abstract

The invention discloses a multi-frequency-band wave-transparent metamaterial, an antenna cover and an antenna system, wherein the multi-frequency-band wave-transparent metamaterial comprises a plurality of functional layers which comprise at least two dielectric layers and at least two conductive geometrical structure layers. The at least two conductive geometrical structure layers are arranged between the two adjacent dielectric layers, wherein the conductive geometrical structure layers and the dielectric layers of the multi-frequency-band wave-transparent metamaterial realize a dielectric constant and a magnetic permeability of the multi-frequency-band wave-transparent metamaterial so that electromagnetic waves in a plurality of working frequency bands respectively penetrate the multi-frequency-band wave-transparent metamaterial and the electromagnetic waves out of the working frequency bands are blocked in penetrating the multi-frequency-band wave-transparent metamaterial by the electromagnetic waves, thereby effectively improving an effect for suppressing the electromagnetic waves out of the working frequency bands.

Description

Multiband wave transparent Meta Materials, radome and antenna system

Technical field

The present invention relates to Material Field, in particular to a kind of multiband wave transparent Meta Materials, radome and antenna system.

Background technology

Usually, antenna all can be provided with radome, for the protection of antenna not by the environmental impact of wind and rain, ice and snow etc.Existing radome is pure material radome substantially, only plays the effect of protection antenna, uses pure material radome can affect the performance of antenna in certain scope.Wherein, be common physical material for making the pure material of radome, when making pure material radome, utilize half-wavelength or quarter-wave theory, and according to different antenna frequencies, change the thickness of pure material, in order to reduce to respond electromagnetic wave transparent.When designing and producing pure material radome, when the wavelength of radiated wave of antenna is long, utilize half-wavelength or quarter-wave theory, pure material radome can seem thicker, and then makes the weight of whole radome excessive.In addition, the wave transparent characteristic of common pure material radome in broadband and wideangle is poor, affects antenna performance, and for the antenna of multiband work, existing radome is all difficult to reach good wave transmission effect.

For problem bad to the wave transmission effect of the antenna of multiband work in prior art, at present effective solution is not yet proposed.

Summary of the invention

Main purpose of the present invention is to provide a kind of multiband wave transparent Meta Materials, radome and antenna system, to solve the problem bad to the wave transmission effect of the antenna of multiband work.

To achieve these goals, according to an aspect of the present invention, a kind of multiband wave transparent Meta Materials is provided.This multiband wave transparent Meta Materials comprises: multiple function layers, and described functional layer comprises at least two layer medium layer and at least two-layer conduction geometry layer, and described at least two-layer conduction geometry is arranged between adjacent two-layer described dielectric layer;

Wherein, the conduction geometry layer of this multiband wave transparent Meta Materials and dielectric layer make this multiband wave transparent Meta Materials have such dielectric constant and magnetic permeability: make electromagnetic wave when by this multiband wave transparent Meta Materials, in multiple working frequency range, electromagnetic wave all penetrates this multiband wave transparent Meta Materials, and the electromagnetic wave outside working frequency range is cut off.

One aspect of the present invention additionally provides a kind of radome, comprises above-mentioned multiband wave transparent Meta Materials.

Another aspect of the present invention additionally provides a kind of antenna system, comprises above-mentioned radome, and described radome is located on antenna.

Pass through the present invention, a kind of multiband wave transparent Meta Materials is adopted to comprise: multiple function layers, functional layer comprises at least two layer medium layer and at least two-layer conduction geometry, wherein, at least two-layer conduction geometry is arranged between adjacent two layer medium layer, solve the problem that the wave transmission effect of the antenna of multiband work is bad, and then reach the effect of multiband wave transparent.

Accompanying drawing explanation

The accompanying drawing forming a application's part is used to provide a further understanding of the present invention, and schematic description and description of the present invention, for explaining the present invention, does not form inappropriate limitation of the present invention.In the accompanying drawings:

Fig. 1 is the cutaway view of the functional layer according to the embodiment of the present invention;

Fig. 2 is the schematic diagram of the Jerusalem cross-shaped configuration according to the embodiment of the present invention;

Fig. 3 is the S21 parameters simulation curve synoptic diagram of high-pass filtering Meta Materials according to a first embodiment of the present invention;

Fig. 4 is the S21 parameters simulation curve synoptic diagram of high-pass filtering Meta Materials according to a second embodiment of the present invention;

Fig. 5 is the schematic diagram of the matrix pattern structure according to the embodiment of the present invention;

Fig. 6 is the S21 parameters simulation curve synoptic diagram of bandpass filtering Meta Materials according to a first embodiment of the present invention;

Fig. 7 is the S21 parameters simulation curve synoptic diagram of bandpass filtering Meta Materials according to a second embodiment of the present invention;

Fig. 8 shows the schematic front view according to band gas barrier ripple Meta Materials embodiment one of the present invention;

Fig. 9 shows the S21 parameters simulation curve synoptic diagram of the band gas barrier ripple Meta Materials of embodiment one;

Figure 10 shows the schematic front view according to band gas barrier ripple Meta Materials embodiment two of the present invention;

Figure 11 shows the TE mould of embodiment two and the S21 parameters simulation curve synoptic diagram of TM mould;

Figure 12 shows the schematic side view according to band gas barrier ripple Meta Materials embodiment three of the present invention;

Figure 13 shows the S21 parameters simulation curve synoptic diagram of the TE mould of the band gas barrier ripple Meta Materials of Figure 12;

Figure 14 shows the S21 parameters simulation curve synoptic diagram of the TM mould of the band gas barrier ripple Meta Materials of Figure 12;

Figure 15 shows the S21 parameters simulation curve synoptic diagram of the TE mould according to band gas barrier ripple Meta Materials embodiment four of the present invention;

Figure 16 shows the S21 parameters simulation curve synoptic diagram of the TM mould according to band gas barrier ripple Meta Materials embodiment four of the present invention;

Figure 17 shows the schematic front view according to the wherein one functional layer in band gas barrier ripple Meta Materials embodiment five of the present invention;

Figure 18 shows the schematic side view according to band gas barrier ripple Meta Materials embodiment five of the present invention;

Figure 19 shows the S21 parameters simulation curve synoptic diagram of the TE mould of the band gas barrier ripple Meta Materials of Figure 18;

Figure 20 shows the S21 parameters simulation curve synoptic diagram of the TM mould of the band gas barrier ripple Meta Materials of Figure 18;

Figure 21 shows the schematic side view of the low pass wave transparent Meta Materials of embodiment one;

Figure 22 shows the S21 parameters simulation curve synoptic diagram of the low pass wave transparent Meta Materials of embodiment one;

Figure 23 shows the low pass wave transparent Meta Materials of embodiment two when electromagnetic wave incident angle is 0 °, the frequency response analogous diagram of TE mould;

Figure 24 shows the low pass wave transparent Meta Materials of embodiment two when electromagnetic wave incident angle is 10 °, the frequency response analogous diagram of TE mould;

Figure 25 shows the low pass wave transparent Meta Materials of embodiment two when electromagnetic wave incident angle is 20 °, the frequency response analogous diagram of TE mould;

Figure 26 shows the low pass wave transparent Meta Materials of embodiment two when electromagnetic wave incident angle is 30 °, the frequency response analogous diagram of TE mould;

Figure 27 shows the low pass wave transparent Meta Materials of embodiment two when electromagnetic wave incident angle is 0 °, the frequency response analogous diagram of TM mould;

Figure 28 shows the low pass wave transparent Meta Materials of embodiment two when electromagnetic wave incident angle is 10 °, the frequency response analogous diagram of TM mould;

Figure 29 shows the low pass wave transparent Meta Materials of embodiment two when electromagnetic wave incident angle is 20 °, the frequency response analogous diagram of TM mould;

Figure 30 shows the low pass wave transparent Meta Materials of embodiment two when electromagnetic wave incident angle is 30 °, the frequency response analogous diagram of TM mould;

Figure 31 shows the schematic front view according to the second structure sheaf in the embodiment three of low pass wave transparent Meta Materials of the present invention;

Figure 32 shows the schematic side view of the embodiment three according to low pass wave transparent Meta Materials of the present invention;

Figure 33 shows the S21 parameters simulation curve synoptic diagram of the low pass wave transparent Meta Materials of Figure 32;

Figure 34 is intended to according to the Jerusalem cross-shaped configuration figure in the structure sheaf of the multiband wave transparent Meta Materials of further embodiment of this invention;

Figure 35 is the schematic diagram of cross-shaped configuration in the Jerusalem cross-shaped configuration according to Figure 34;

Figure 36 conducts electricity the distribution map of geometry in the structure sheaf according to the multiband wave transparent Meta Materials of further embodiment of this invention;

Figure 37 is the analogous diagram of the TE mould S21 transfer curve of multiband wave transparent Meta Materials according to further embodiment of this invention; And

Figure 38 is the analogous diagram of the TM mould S21 transfer curve of multiband wave transparent Meta Materials according to further embodiment of this invention.

Embodiment

It should be noted that, when not conflicting, the embodiment in the application and the feature in embodiment can combine mutually.Below with reference to the accompanying drawings and describe the present invention in detail in conjunction with the embodiments.

Embodiments provide a kind of multiband wave transparent Meta Materials.This Meta Materials comprises multiple function layers, and functional layer comprises at least two layer medium layer and at least two-layer conduction geometry, and wherein, at least two-layer conduction geometry is arranged between adjacent two layer medium layer; Wherein, the conduction geometry layer of this multiband wave transparent Meta Materials and dielectric layer make this multiband wave transparent Meta Materials have such dielectric constant and magnetic permeability: make electromagnetic wave when by this multiband wave transparent Meta Materials, in multiple working frequency range, electromagnetic wave all penetrates this multiband wave transparent Meta Materials, and the electromagnetic wave outside working frequency range is cut off.Functional layer can comprise multiple function layers, each functional layer can identical also can not be identical, when adopting different functional layers to be coupled, the wave transparent effect of the frequency to double frequency or multiband can be realized according to the wave penetrate capability of different functional layers.Such as, when selecting the band penetrating ripple Meta Materials functional layer of selection two different frequency ranges, because the wave transparent frequency range of two penetrating ripple Meta Materials functional layers of band is different, the wave transparent effect of two end band passband rates can be realized.

In addition, in a functional layer of embodiment of the present invention multiband wave transparent Meta Materials, comprise at least two layer medium layer and at least two-layer conduction geometry, wherein, at least two-layer conduction geometry is arranged between adjacent two layer medium layer, and conduction geometry is the geometry with electric conductivity.Conduction geometry can adopt metal material, as gold, silver, copper etc., also can adopt nonmetallic materials, as graphite etc.The conduction geometry of two-layer different wave transparent characteristic is selected in functional layer, dielectric constant and the magnetic permeability of high-pass filtering Meta Materials can be regulated, during the multiband filtering Meta Materials provided during the electromagnetic wave at antenna can be made through the embodiment of the present invention, the electromagnetism wave energy high efficiency of multiple frequency range penetrates, and reaches the effect of multiband wave transparent.In addition, dielectric layer has certain mechanical strength, and dielectric layer can adopt the physical materials such as polytetrafluoroethylene, also can adopt other nonmetal physical material such as pottery etc.Dielectric layer makes multiband wave transparent Meta Materials have certain mechanical property.

Preferably, the functional layer of the multiband wave transparent Meta Materials of the embodiment of the present invention can be high pass wave transparent Meta Materials functional layer, and as shown in Figure 1, this functional layer comprises dielectric layer 10 and conduction geometry 20, and conduction geometry 20 is placed on dielectric layer 10.Conduction geometry 20 comprises multiple latticed conduction geometry, electric wire is provided with at least part of conduction geometry, wherein, dielectric layer 10 has certain mechanical strength, dielectric layer 10 can adopt the physical materials such as polytetrafluoroethylene, also can adopt other nonmetal physical material such as pottery etc.Conduction geometry is the geometry with electric conductivity, and this conduction geometry can be the cross geometry with conductivity.Conduction geometry can adopt metal material, as gold, silver, copper etc., also can adopt nonmetallic materials, as graphite etc.The cross-shaped configuration of conduction geometry comprises the shape after cross distortion, and such as Jerusalem is cross.

Pass through the embodiment of the present invention, conduction geometry 20 is placed on dielectric layer 10, by adopting different dielectric layers 10, and adjust latticed conduction geometry according to different dielectric layers 10, to regulate dielectric constant and the magnetic permeability of high pass wave transparent Meta Materials, during the high pass wave transparent Meta Materials provided during the electromagnetic wave at antenna can be made through the embodiment of the present invention, the electromagnetism wave energy high efficiency in working frequency range penetrates, and the electromagnetic wave lower than working frequency range is ended effectively.

Preferably, in the high pass wave transparent Meta Materials of the embodiment of the present invention, multiple latticed conduction geometry can be periodic arrangement, also can be non-periodic arrangement, can adjust according to operating frequency of antenna, wherein, the arrangement rule of periodic arrangement and aperiodicity arrangement all can adjust according to the running parameter of antenna, to realize the adjustment of electric capacity and inductance.

Further, the multiple latticed conduction geometry of periodic arrangement or aperiodicity arrangement can be at least one in triangle, quadrangle, pentagon, hexagon, circle, ellipse.Wherein, the grid in latticed can be closed, also can be opening.Multiple latticed conduction geometry can be planar structure also can be stereochemical structure, and when conduction geometry is planar structure, electric wire is positioned at multiple latticed conduction geometry; When latticed conduction geometry is stereochemical structure, electric wire is positioned at different planes from multiple latticed conduction geometry.

Wherein, electric wire and latticed conduction geometry can electrically completely cut off, cross, yi word pattern, snowflake type that electric wire comprises that straight line or curve formed and cross distressed structure.Electric wire can be any one structure in straight line cross, yi word pattern, the snowflake type that are formed and cross distressed structure, also can be combination several arbitrarily wherein.Wherein, cross distressed structure can be Jerusalem decussate texture.

Preferably, conduction geometry is metallic conduction geometry, and metallic conduction geometry adopts following any one or several combination metal material: solid metal material, liquid metals material, flow-like metal material and powder metal material.Metallic conduction geometry is not limited to the metal such as gold, silver, copper, can also use other metal or alloy.Metal material can be solid metal material, liquid metals material, flow-like metal material and powder metal material, also can be combinationally using of the metal material under many middle states.By the present embodiment, adopt metallic conduction geometry, the electromagnetic wave of high band can be made more easily to penetrate high pass wave transparent Meta Materials.

Preferably, dielectric layer 10 can be composite substrate or ceramic substrate.Wherein, composite material can be thermosets, also can be thermoplastic.Composite material is the one deck or the sandwich construction that comprise fiber, foam and/or honeycomb.Composite material contains reinforcing material, and this reinforcing material is at least one in fiber, fabric or particle.In general, the DIELECTRIC CONSTANT ε of dielectric layer should meet: 1≤ε≤5.

Dielectric layer 10 has certain mechanical strength; when this high pass wave transparent Meta Materials is applied to radome; certain protective effect can be played; the conduction geometry of different size can play high passband to the electromagnetic wave of antenna and be elected to be use; improve radome to the electromagnetic inhibition outside working frequency range, especially improve the electromagnetic suppression characteristic of the low-frequency range outside electric wire operating frequency.

The dielectric layer of the embodiment of the present invention is the multilayers cooking bed of material, and conduction geometry 20 is multilayer conductive geometry 20, and multilayer conductive geometry 20 is placed in multilayer dielectricity layer surface respectively.Wherein, can be oppositely arranged between any two levels in multilayer conductive geometry 20, also can be setting of staggering.

Preferably, conduction geometric shapes, size, live width and spacing between difference in functionality layer or in same functional layer are identical or different.The shape of the conduction geometry between different functional layers, size, live width and spacing can be the same or different, and also can be that wherein any one amount is identical or any several amount is identical, the conduction geometry between same functional layer in like manner.In addition, between difference in functionality layer or the shape size of the electric wire of same functional layer, live width and spacing identical or different.

According to concrete condition when implementing, the thickness of conduction geometry layer can be 1 to 50 micron, and preferably, the thickness of conduction geometry layer is 10 to 30 microns, and more preferably, the thickness of conduction geometry layer can be 16 to 20 microns.The width of conduction geometry can be 2 to 6 millimeters.The live width of conduction geometry is for being 20 to 1000 microns, and preferably, the live width of conduction geometry is 50 to 500 microns.More preferably, the live width of conduction geometry is 50 to 500 microns.

The high pass wave transparent Meta Materials embodiment of the present invention provided is used in radome, because radome is when designing and producing, according to the difference of the shape of antenna, its planform also can be different, and this will cause the dielectric layer 10 in high pass wave transparent Meta Materials to have rule or irregular surface.Conduction geometry in functional layer can to such an extent as to the dielectric layer 10 of rule is surperficial, also can to such an extent as to the surface of irregular dielectric layer 10.

According to the electromagnetic wavelength of antenna, the number of plies of different functional layers can be set, realize the electromagnetic high penetration wave property of antenna.

Electric wire in cross conduction geometry in the embodiment of the present invention comprises horizontal yi word pattern structure and longitudinal yi word pattern structure.The length of horizontal in-line structure and the length of longitudinal in-line structure can equal also can be unequal, the length of horizontal in-line structure and the length of longitudinal in-line structure can be chosen as required.

The length of the electric wire in conduction geometry is equal with the length of longitudinal yi word pattern structure; And the width of electric wire in conduction geometry is equal with the length of horizontal yi word pattern structure.Due to the length of horizontal yi word pattern structure and longitudinal in-line structure length can equal also can be unequal, wherein the length of horizontal yi word pattern structure and the length of longitudinal in-line structure can be chosen as required, therefore, conduct electricity the length of the electric wire in geometry and width can equal also can be unequal.The horizontal width of yi word pattern structure or the width of longitudinal yi word pattern structure are all called the live width of the electric wire of decussate texture.The width of horizontal yi word pattern structure is equal with the width of longitudinal yi word pattern structure.Seamlessly between each adjacent cross-shaped configuration to be connected, arrangement evenly, in latticed.

Preferably, cross-shaped configuration is Jerusalem cross-shaped configuration, and Jerusalem cross-shaped configuration comprises the yi word pattern structure at horizontal yi word pattern structure and two ends thereof and the yi word pattern structure at longitudinal yi word pattern structure and two ends thereof.This Jerusalem cross-shaped configuration is the distortion of cross-shaped configuration, its shape is equivalent to there emerged a at four end points of cross-shaped configuration with the addition of an in-line structure, as shown in Figure 2, the length of yi word pattern structure that end points goes out is less than the length of horizontal yi word pattern structure and the length of longitudinal yi word pattern structure.

It should be noted that, this Jerusalem cross-shaped configuration also can be called snowflake type structure, also can be called corner matrix pattern structure jaggy.The title of Jerusalem cross-shaped configuration does not have improper restriction to the present invention, as long as the conduction geometry that structure is identical with the conduction geometry in the present invention, all within protection scope of the present invention.

In high pass wave transparent Meta Materials in the embodiment of the present invention, dielectric layer 10 relative dielectric constant of each functional layer can be identical, also can not be identical.The relative dielectric constant that can also be part dielectric layer 10 in multilayer dielectricity layer 10 is identical.Such as, the relative dielectric constant that high pass wave transparent Meta Materials comprises 4 layers of dielectric layer, 10,4 layers of dielectric layer 10 is 3, or the relative dielectric constant of three layers of dielectric layer 10 is 3, and the relative dielectric constant of remaining one deck dielectric layer 10 is 3.1.

The thickness of each dielectric layer 10 can be identical, also can not be identical, can also be that the thickness of part dielectric layer 10 in multilayer dielectricity layer 10 is identical.Such as, the thickness that high pass wave transparent Meta Materials comprises 4 layers of dielectric layer, 10,4 layers of dielectric layer 10 is 4mm, or the thickness of wherein three layers of dielectric layer 10 is 4mm, and the thickness of the 4th layer of dielectric layer 10 is 4.5mm.Similarly, the physical material that each dielectric layer 10 is chosen can be identical, also can not be identical.

Correspondingly, the thickness of the electric wire in the conduction geometry 20 on the dielectric layer 10 between functional layer can be identical, also can not be identical.The thickness that high pass wave transparent Meta Materials comprises 4 layers of conduction geometry, 20,4 layers of conduction geometry 20 is 0.018mm, or the thickness of wherein three layers of dielectric layer 10 is 0.018mm, and the thickness of the 4th layer of conduction geometry 20 is 0.015mm.

The cross-shaped configuration of each layer in multiple layer 20 can be identical cross-shaped configuration, also can cross-shaped configuration distortion after structure.Such as, in conduction geometry in 4 layers of conduction geometry 20, electric wire is cross-shaped configuration, or be Jerusalem cross-shaped configuration, also can be, conduction geometry in 3 layers of conduction geometry 20 is cross-shaped configuration, and the electric wire of remaining one deck conduction geometry 20 is Jerusalem cross-shaped configuration.

High pass wave transparent Meta Materials comprises first medium layer, second dielectric layer and the 3rd dielectric layer, and the relative dielectric constant of first medium layer, second dielectric layer and the 3rd dielectric layer is equal.And the relative dielectric constant of first medium layer, second dielectric layer 102 and the 3rd dielectric layer is 3.

First medium layer, second dielectric layer are identical with the thickness of the 3rd dielectric layer, are 4mm.

High pass wave transparent Meta Materials comprises the first structure sheaf, the second structure sheaf, the 3rd structure sheaf and the 4th structure sheaf, first structure sheaf is placed in the surface of first medium layer, second structure sheaf is placed between first medium layer and second dielectric layer, 3rd structure sheaf is placed between second dielectric layer and the 3rd dielectric layer, and the 4th structure sheaf is placed in the surface of the 3rd dielectric layer.Wherein, the first structure sheaf, the second structure sheaf, the 3rd structure sheaf are identical with the electric wire thickness in the conduction geometry in the 4th structure sheaf.The thickness of the electric wire of each structure sheaf is 0.018 millimeter.

Electric wire in first structure sheaf, the second structure sheaf, the 3rd structure sheaf and the 4th structure sheaf is cross-shaped configuration.And the length of the cross-shaped configuration between each layer is equal, and width is equal.

The length of longitudinal yi word pattern structure of cross-shaped configuration is 9mm, and the length of horizontal yi word pattern structure is 3mm.That is to say that the length of cross-shaped configuration is 9mm, width is 3mm.The live width of the electric wire in ground floor conduction geometry is 0.5 millimeter, the live width of the electric wire in second layer conduction geometry is 0.7 millimeter, the live width of the electric wire in third layer conduction geometry is 0.7 millimeter, and the live width of the electric wire in the 4th layer of conduction geometry is 0.5 millimeter.

Fig. 3 is the S21 parameters simulation curve synoptic diagram of high pass wave transparent Meta Materials according to a first embodiment of the present invention.As shown in the figure, in figure, transverse axis is the operating frequency of antenna, and the longitudinal axis is S21 parameter.Wherein the unit of the operating frequency of antenna is the unit of GHz, S21 parameter is dB.As can be seen from the figure, when the electromagnetic wave of antenna, comprise TE mould (English name TE mode, represent in the waveguide, the longitudinal component of electric field is zero, and the non-vanishing communication mode of the longitudinal component in magnetic field) and TD mould (English name TM mode, represents in the waveguide, the longitudinal component in magnetic field is zero, and the non-vanishing communication mode of the longitudinal component of electric field) S21 parameters simulation result when being radiated in above-described embodiment high pass wave transparent Meta Materials.Frequency has good wave transparent characteristic at the electromagnetic wave of more than 13GHz, and have obvious inhibitory action to the electromagnetic wave that frequency is below 13GHz, and frequency is less, suppression characteristic is better.

In the present embodiment, the functional layer of high-pass filtering Meta Materials comprises first medium layer, second dielectric layer and the 3rd dielectric layer, and the relative dielectric constant of first medium layer, second dielectric layer and the 3rd dielectric layer is equal.And the relative dielectric constant of first medium layer, second dielectric layer and the 3rd dielectric layer is 3.

High-pass filtering Meta Materials comprises ground floor conduction geometry, second layer conduction geometry, third layer conduction geometry and the 4th layer of conduction geometry, ground floor conduction geometry is placed in the surface of first medium layer, second layer conduction geometry is placed between first medium layer and second dielectric layer, third layer conduction geometry is placed between second dielectric layer and the 3rd dielectric layer, and the 4th layer of conduction geometry is placed in the surface of the 4th dielectric layer.Wherein, ground floor conduction geometry, the second layer conduction geometry, third layer conduction geometry identical with the thickness of the electric wire in the 4th layer of conduction geometry.The thickness of the electric wire of each layer conduction geometry is 0.018 millimeter.

Conduction geometry electric wire in ground floor conduction geometry be Jerusalem cross-shaped configuration, the conduction geometry electric wire that second layer conduction geometry 206, third layer are conducted electricity in geometry and the 4th layer of conduction geometry be cross-shaped configuration.The length of the cross-shaped configuration between each layer is equal, and width is equal.

The length of Jerusalem cross-shaped configuration in ground floor conduction geometry and width and the second layer conduct electricity geometry, third layer, and to conduct electricity the length of the cross-shaped configuration in geometry, the 4th layer of conduction geometry equal with width, wherein, the length of longitudinal yi word pattern structure of the cross-shaped configuration in second layer conduction geometry, third layer conduction geometry, the 4th layer of conduction geometry is 9mm, and the length of horizontal yi word pattern structure is 3mm.That is to say that the length of cross-shaped configuration is 9mm, width is 3mm.The live width of the conduction geometry electric wire in ground floor conduction geometry is 0.5 millimeter, the live width of the conduction geometry electric wire in second layer conduction geometry is 0.7 millimeter, the live width of the conduction geometry electric wire in third layer conduction geometry is 0.7 millimeter, and the live width of the conduction geometry electric wire in the 4th layer of conduction geometry is 0.5 millimeter.

Fig. 4 is the S21 parameters simulation curve synoptic diagram of high-pass filtering Meta Materials according to a second embodiment of the present invention.As shown in Figure 10, in figure, transverse axis is the operating frequency of antenna, and the longitudinal axis is S21 parameter.Wherein the unit of the operating frequency of antenna is the unit of GHz, S21 parameter is dB.As can be seen from the figure, when the electromagnetic wave of antenna, comprise TE mould (English name TE mode, represent in the waveguide, the longitudinal component of electric field is zero, and the non-vanishing communication mode of the longitudinal component in magnetic field) and TD mould (English name TM mode, represents in the waveguide, the longitudinal component in magnetic field is zero, and the non-vanishing communication mode of the longitudinal component of electric field) S21 parameters simulation result when being radiated in above-described embodiment high-pass filtering Meta Materials.Frequency has good wave transparent characteristic at the electromagnetic wave of more than 13GHz, and frequency is that the electromagnetic wave of below 13GHz obtains obvious inhibitory action.Wherein, be within the scope of 11 ~ 13GHz from frequency, along with the reduction of frequency, electromagnetic decay is comparatively rapid, and represent this high-pass filtering Meta Materials to the intensity of electromagnetic suppression in this interval, inhibition strengthens gradually along with the reduction of frequency.Again along with the reduction of frequency, start to weaken to electromagnetic suppression characteristic, but people has certain inhibition.

Preferably, the functional layer of the multiband wave transparent Meta Materials of inventive embodiments can be the penetrating ripple Meta Materials functional layer of band, as shown in Figure 1, the penetrating ripple Meta Materials of this band comprises multiple function layers, the conduction geometry 20 that functional layer comprises dielectric layer 10 and is arranged on dielectric layer, wherein, the conduction geometry on the dielectric layer 10 in multiple function layers at least one one functional layer is conducting strip, the dielectric layer in another one functional layer is latticed conduction geometry.Bandpass filtering Meta Materials can comprise multiple function layers, wherein, multiple function layers can be the conduction geometry comprised on one deck or multilayer dielectricity layer is the functional layer of conducting strip, and multiple function layers can be the latticed conduction geometry comprised on one deck or multilayer dielectricity layer can be one deck.

Dielectric layer 10 has certain mechanical strength, and dielectric layer 10 can adopt the physical materials such as polytetrafluoroethylene, also can adopt other nonmetal physical material such as pottery etc.Conduction geometry can for having the matrix pattern structure of conductivity or snowflake type structure or square piece type structure.Conduction geometry can adopt metal material, as gold, silver, copper etc., also can adopt nonmetallic materials, as graphite etc.

Pass through the embodiment of the present invention, adopt bandpass filtering Meta Materials multiple function layers, functional layer comprises dielectric layer and is arranged on the conduction geometry on dielectric layer, wherein, conduction geometry on dielectric layer in multiple function layers at least one one functional layer is conducting strip, it dielectric layer in another one functional layer is latticed conduction geometry, according to conduction geometries different in dielectric layer, the dielectric constant of accommodation zone pass filter Meta Materials and magnetic permeability, the electromagnetic wave in passband is made to have high-permeability, solve the problem that radome wave transmission effect is bad, and then improve radome to the wave transmission effect in passband.

Preferably, can interlayer be provided with between adjacent two functional layers in multiple function layers, also can there is no interlayer, when can be provided with interlayer between adjacent two functional layers, the material of foam and/or honeycomb in this interlayer, can be provided with.The surface of functional layer is provided with protective layer.This protective layer can be arranged on functional layer side, also can be arranged on the both sides of functional layer, bandpass filtering Meta Materials can be made to have certain mechanical strength do not suffer damage with boundary belt pass filter Meta Materials by arranging protective layer.

Can be oppositely arranged between adjacent two layers functional layer in multiple function layers, setting of can staggering, also can be that interval is arranged, set-up mode be flexible, can select as required.

Preferably, geometry latticed of conducting electricity in functional layer can be by least one in triangle, quadrangle, pentagon, hexagon, circle or ellipse connect into latticed.Wherein, latticed grid can be closed, also can be opening.Further, the conduction geometry of straight line or curve formation can also be provided with in latticed grid, this conduction geometry comprises cross-shaped configuration, yi word pattern structure, snowflake type structure, I-shaped structure, resonant ring structure and cross distressed structure, and wherein cross distressed structure can be that Yale spreads cold cross-shaped configuration.According to the difference of the conduction geometry in different grids and grid can accommodation zone pass filter Meta Materials to electromagnetic wave transparent or suppression characteristic.

Preferably, conducting strip is the conducting strip of at least one shape in triangle, quadrangle, pentagon, hexagon, circle and ellipse.Also go up hollow out at conducting strip and be provided with conduction geometry, the electric wire of cross, yi word pattern, snowflake type, I-shaped structure, resonant ring structure and cross distressed structure that this conduction geometry can comprise that straight line or curve formed, wherein cross distressed structure can be that Yale spreads cold cross-shaped configuration.Conducting strip and electric wire contain following any one or several combination metal material: solid metal material, liquid metals material, flow-like metal material and powder metal material.Metal material is not limited to the metal such as gold, silver, copper, can also use other metal or alloy.Metal material can be solid metal material, liquid metals material, flow-like metal material and powder metal material, also can be combinationally using of the metal material under various states.By adopting different conducting strips thus the wave transparent characteristic of influence zone passband ripple Meta Materials.

The shape of the different conducting strip in same functional layer, size and spacing are identical or different.The shape of the conducting strip of different functional layers, size and spacing are identical or different.The shape of the conduction geometry between different functional layers, size, live width and spacing are identical or different.The difference conduction shape of geometry of same functional layer, size, live width and spacing are identical or different.

Preferably, cross, yi word pattern, snowflake type that electric wire comprises that straight line or curve formed and cross distressed structure, can also comprise at least one in matrix pattern structure, snowflake type structure or the square piece type structure that straight line or curve formed.Wherein, matrix pattern structure is the matrix pattern structure of corner opening; Snowflake type structure is placed in the conduction geometry with center hollow out circle, and snowflake type structure is positioned at the center of center hollow out circle; Square piece type structure comprises disconnected square piece structure and the square piece structure be communicated with, and the square piece structure of connection is hollow out square piece grid.

Fig. 5 is the schematic diagram of the matrix pattern structure according to the embodiment of the present invention.As shown in Figure 5, matrix pattern structure is the matrix pattern structure of corner opening.The corner opening size of matrix pattern structure is identical.A shown in Fig. 5 is the length of matrix pattern structure, and b is the width of matrix pattern structure, and d represents the live width of matrix pattern structure.When bandpass filtering Meta Materials comprises multiple function layers, the live width d of the matrix pattern structure in any two difference in functionality layers can be equal, also can be unequal, and matrix pattern structural thickness is identical.Live width d represents the width of lines in electric wire.

The snowflake type structure of the embodiment of the present invention can be placed in the conduction geometry unit with center hollow out circle, and snowflake type structure is positioned at the center of center hollow out circle.Conduction geometry is square shaped cells, and the center of circle of center hollow out circle and foursquare center are at same position.Snowflake type structure comprises middle cross-shaped configuration and the yi word pattern structure at cross-shaped configuration end points place, the wherein length of cross-shaped configuration and wide equal, and cross length represents the length on the long limit of snowflake type structure, the identical length etc. of yi word pattern structure, and the length representing the minor face of snowflake type structure.

Preferably, the geometry that conducts electricity adopts following any one or several combination metal material: solid metal material, liquid metals material, flow-like metal material and powder metal material.Metal material is not limited to the metal such as gold, silver, copper, can also use other metal or alloy.Metal material can be solid metal material, liquid metals material, flow-like metal material and powder metal material, also can be combinationally using of the metal material under many middle states.By the present embodiment, adopt metal material, electromagnetic wave can be made more easily to penetrate bandpass filtering Meta Materials.

Preferably, the conduction geometry in the present embodiment adopts liquid ag material, and electromagnetic wave can be made more easily to penetrate bandpass filtering Meta Materials.

Preferably, dielectric layer 10 is composite substrate or ceramic substrate, for increasing the mechanical strength of functional layer.Wherein, composite material can adopt thermosets, also can adopt thermoplastic.Such as, composite material can be one deck structural material or the sandwich that comprise fiber, foam and/or honeycomb.

Further preferably, this composite material is also containing reinforcing material, and this reinforcing material is at least one in fiber, fabric or particle, by increasing enhancement mode material, in order to strengthen the mechanical strength of functional layer.

The span of dielectric layer 10 relative dielectric constant of the embodiment of the present invention can be 2.8 ~ 3.1.The thickness of dielectric layer 10 can be 0.2 ~ 4mm.The thickness of conduction geometry is 0.018mm.Radome adopts the bandpass filtering Meta Materials of the embodiment of the present invention, and have good transmissison characteristic to the electromagnetic wave that working frequency range produces at the antenna of 6.5 ~ 16GHz, wave transmission rate is higher.

Example 1:

Bandpass filtering Meta Materials comprises first medium layer, second dielectric layer and the 3rd dielectric layer, and the relative dielectric constant of first medium layer, second dielectric layer and the 3rd dielectric layer is equal.And the relative dielectric constant of first medium layer, second dielectric layer and the 3rd dielectric layer is 3.

Bandpass filtering Meta Materials comprises the first conduction geometry, the second conduction geometry, the 3rd conduction geometry and the 4th conduction geometry, first conduction geometry is placed in the surface of first medium layer, second conduction geometry is placed between first medium layer and second dielectric layer, 3rd conduction geometry is placed between second dielectric layer and the 3rd dielectric layer, and the 4th conduction geometry is placed in the surface of the 3rd dielectric layer.Wherein, the thickness of conduction geometry in the first conduction geometry, the second conduction geometry, the 3rd conduction geometry and the 4th conduction geometry is identical.The thickness of the conduction geometry of each conduction geometry is 0.018 millimeter.

The electric wire of the conduction geometry in the first conduction geometry, the second conduction geometry, the 3rd conduction geometry and the 4th conduction geometry is matrix pattern structure.And the length a of the matrix pattern structure between each layer is equal, and width b is also equal.

The length a of matrix pattern structure is 9mm, and width is 3mm.The live width d of the conduction geometry in the first conduction geometry is 0.5 millimeter, the live width d of the conduction geometry in the second conduction geometry is 0.7 millimeter, the live width d of the conduction geometry in the 3rd conduction geometry is 0.7 millimeter, and the live width d of the conduction geometry in the 4th conduction geometry 104 is 0.5 millimeter.

Fig. 6 is the S21 parameters simulation curve synoptic diagram of bandpass filtering Meta Materials according to a first embodiment of the present invention.As shown in Figure 6, transverse axis is the operating frequency of antenna, and the longitudinal axis is S21 parameter.Wherein the unit of the operating frequency of antenna is the unit of GHz, S21 parameter is dB.As can be seen from the figure, when the electromagnetic wave of antenna, comprise TE mould (English name TE mode, represent in the waveguide, the longitudinal component of electric field is zero, and the non-vanishing communication mode of the longitudinal component in magnetic field) and TD mould (English name TM mode, represents in the waveguide, the longitudinal component in magnetic field is zero, and the non-vanishing communication mode of the longitudinal component of electric field) S21 parameters simulation result when being radiated in above-described embodiment bandpass filtering Meta Materials.The electromagnetic wave of frequency between 13 ~ 16GHz has good wave transparent characteristic, and the electromagnetic wave of frequency outside 13 ~ 16GHz obtains obvious inhibitory action.Frequency is less than the electromagnetic wave in 13GHz interval, and along with the reduction of frequency, bandpass filtering Meta Materials is better to electromagnetic suppression characteristic; Frequency is greater than the electromagnetic wave in 16GHz interval, and along with the increase of frequency, bandpass filtering Meta Materials is also better to electromagnetic suppression characteristic.

Example 2:

Bandpass filtering Meta Materials comprise once functional layer, the relative dielectric constant of dielectric layer 10 is 2.8, and thickness is 0.9mm.Conduction geometry comprises multiple snowflake type structure, and snowflake type structure is placed in the conduction geometry unit with center hollow out circle, and snowflake type structure is positioned at the center of center hollow out circle.The unit of conduction geometry is square shaped cells, and the length of side of square shaped cells is 10mm.The center of circle of center hollow out circle and the center of square shaped cells are at same position, and center hollow out radius of a circle is 4.3mm.Snowflake type structure comprises middle cross-shaped configuration and the yi word pattern structure at cross end points place, wherein the length of cross-shaped configuration and wide equal, and cross length represents the length on the long limit of snowflake type structure, and the length on its long limit is 5mm.The identical length etc. of yi word pattern structure, and the length representing the minor face of snowflake type structure, the length of its minor face is 4.3mm.Snowflake type structure adopts liquid ag material, and its thickness is 0.018mm.The live width of snowflake type structure is 0.4mm.

Fig. 7 is the S21 parameters simulation curve synoptic diagram of bandpass filtering Meta Materials according to a second embodiment of the present invention.As shown in Figure 5, transverse axis is the operating frequency of antenna, and the longitudinal axis is S21 parameter.Wherein the unit of the operating frequency of antenna is the unit of GHz, S21 parameter is dB.As can be seen from the figure, when the electromagnetic wave of antenna, comprise TE mould (English name TE mode, represent in the waveguide, the longitudinal component of electric field is zero, and the non-vanishing communication mode of the longitudinal component in magnetic field) and TD mould (English name TM mode, represents in the waveguide, the longitudinal component in magnetic field is zero, and the non-vanishing communication mode of the longitudinal component of electric field) S21 parameters simulation result when being radiated in above-described embodiment bandpass filtering Meta Materials.

The electromagnetic loss S21 wave transmission rate value of frequency range in 12 ~ 14.5GHz is all less than 1, represents that the electromagnetic wave wave transmission rate in this band frequency is very high, achieves the performance requirement of the electromagnetic wave high-transmission rate to working frequency range.The electromagnetic wave of frequency between 12 ~ 14.5GHz has good wave transparent characteristic, and the electromagnetic wave of frequency outside 12 ~ 14.5GHz obtains obvious inhibitory action.Frequency is less than the electromagnetic wave in 12GHz interval, and along with the reduction of frequency, bandpass filtering Meta Materials is better to electromagnetic suppression characteristic; Frequency is greater than the electromagnetic wave in 14.5GHz interval, and along with the increase of frequency, bandpass filtering Meta Materials is also better to electromagnetic suppression characteristic.

The functional layer of the multiband wave transparent Meta Materials of the embodiment of the present invention can be band gas barrier ripple Meta Materials functional layer, as shown in Figure 8, the band gas barrier ripple Meta Materials of embodiment one comprises: at least two one functional layer, each functional layer comprises: dielectric layer 10 and and be arranged on conduction geometry on described dielectric layer, in described multiple function layers, the described conduction geometry of at least one one functional layer comprises multiple disconnected conduction geometry, conduction geometry is placed on dielectric layer 10, conduction geometry comprises multiple disconnected conduction geometry (illustrate only a conduction geometry in figure).In embodiment one, as shown in Figure 8, each conduction geometry is cross, and conduction geometry comprises: conductive part 21 and conductive part 22.Dielectric layer 10 is made up of nonmetallic materials, and conductive part 21 and conductive part 22 are all arranged on dielectric layer 10.Here the nonmetallic materials manufacturing substrate have multiple choices, such as pottery, FR4, F4B(polytetrafluoroethylene), HDPE(high density polyethylene (HDPE), High Density Polyethylene), ABS(Acrylonitrile Butadiene Styrene), ferroelectric material or ferromagnetic material etc.

The band gas barrier ripple Meta Materials of Application Example one, conduction geometry is placed on dielectric layer 10, conduction geometry comprises multiple disconnected conduction geometry, like this can the dielectric constant of accommodation zone gas barrier ripple Meta Materials and magnetic permeability, when can make electromagnetic wave by band gas barrier ripple Meta Materials of the present invention, the electromagnetism wave energy high efficiency of working frequency range penetrates, to the electromagnetic wave outside working frequency range, there is good inhibitory action, thus solve the radome problem bad to the electromagnetic wave inhibition outside working frequency range, and then reach the effect strengthened the electromagnetic suppression outside working frequency range.

As shown in Figure 8, in embodiment one, the middle part of conductive part 21 is connected with the middle part of conductive part 22, the band gas barrier ripple Meta Materials of embodiment one is on Ku wave band high wave transmission rate basis, inhibitory action can be played to the electromagnetic wave of 7 to 9GHz wave band, that is, the band gas barrier ripple Meta Materials of embodiment one has low wave transmission rate for the electromagnetic wave in 7 to 9GHz wave band.Conductive part 21 and conductive part 22 can use any metal material, the mixture of such as gold, silver or copper or several metal.The original form of any metal material used can be solid, liquid, stream-like body or powder.Conductive part 21 is preferably rectangle with the surface of conductive part 22.Certainly, as feasible execution mode, also the middle part of of conductive part 21 end and conductive part 22 or an end can be connected.

As shown in Figure 8, in embodiment one, conductive part 21 is perpendicular with conductive part 22.Like this, to the electromagnetic wave be less than in 6GHz wave band, there is good wave penetrate capability.Certainly, as feasible execution mode, conductive part 21 and conductive part 22 can form the angle being less than 90 °.Preferably, conductive part 21 is equal with the length of conductive part 22.

As shown in Figure 8, in embodiment one, conductive part 21 is one-body molded with conductive part 22, and each several part thickness of conduction geometry is equal.That is, the thickness of thickness and the conductive part 21 of conductive part 21 and conductive part 22 connection or other parts of conductive part 22 is equal.Like this, save the metal material that conduction geometry uses, reduce production cost.

In embodiment one, conduction geometry is two-layer, and dielectric layer 10 is also three layers, and every layer of conduction geometry is between adjacent two layers dielectric layer 10.Wherein, each structural parameters are as follows: the relative dielectric constant of dielectric layer 10 is 3.1, and the thickness of dielectric layer 10 is 1.5mm, conductive part 21 is 8mm with the length of conductive part 22, width is 0.3mm, and thickness is 0.018mm, and conductive part 21 and conductive part 22 are made by liquid silver.Preferably, interlayer is provided with between two adjacent one functional layer.Further preferably, be oppositely arranged between the adjacent two layers of multiple function layers, interval arranges or setting of staggering.

Show the S21 parameters simulation curve synoptic diagram of the band gas barrier ripple Meta Materials of embodiment one as Fig. 9, as shown in the figure, in figure, transverse axis is the operating frequency of antenna, and the longitudinal axis is S21 parameter.Wherein the unit of the operating frequency of antenna is the unit of GHz, S21 parameter is dB.As can be seen from the figure, when the electromagnetic wave of antenna, (English name TE mode, represents in the waveguide TE mould, the longitudinal component of electric field is zero, and the non-vanishing communication mode of the longitudinal component in magnetic field) S21 parameters simulation result when being radiated in above-described embodiment bandreject filtering Meta Materials.The wave transmission rate value that simulation curve shows electromagnetic loss S21 arrives 20GHz all close to 0dB with high band 10 in low-frequency range 1GHz, represents that electromagnetic wave wave transmission rate is very high, achieves the performance of the Electromgnetically-transparent of band resistance.As can be seen from Figure 9, the band gas barrier ripple Meta Materials of embodiment one serves inhibitory action to the electromagnetic wave in 7 to 9GHz wave band, plays wave transparent effect to the electromagnetic wave of Ku wave band.A kind of in embodiment, dielectric layer 10 is tabular, certainly, can be arc shape or other suitable shapes.

As shown in Figure 10, the band gas barrier ripple Meta Materials of embodiment two comprises at least two one functional layer, each functional layer comprises: dielectric layer 10 and conduction geometry, conduction geometry is placed on dielectric layer 10, and conduction geometry comprises multiple disconnected conduction geometry (illustrate only two conduction geometries in figure)., the conduction geometry of the band gas barrier ripple Meta Materials of embodiment two is cross distressed structure.Particularly, on the basis of embodiment one, two buss 23 and two buss 24 are also comprised exactly.Two buss 23 connect one to one with the two ends of conductive part 21.Two buss 24 connect one to one with the two ends of conductive part 22.Bus 23 and bus 24 are also arranged on dielectric layer 10.。While the electromagnetic wave of band gas barrier ripple Meta Materials to Ku wave band of embodiment two plays wave transparent effect, good inhibitory action is served to the electromagnetic wave in 9 to 11GHz wave band.

As shown in Figure 10, in embodiment two, each bus 23 is all parallel with conductive part 22, and each bus 24 is all parallel with conductive part 21.Like this, better wave transparent effect is served to the electromagnetic wave being less than 8GHz wave band.

As shown in Figure 10, in embodiment two, the middle part of each bus 23 is connected with conductive part 21, and the middle part of each bus 24 is connected with conductive part 22.Like this, better wave transparent effect is played to the electromagnetic wave of Ku wave band.Preferably, each bus 23 is equal with the length of each bus 24.

In embodiment two, conduction geometry is one deck, and dielectric layer 10 is two-layer, and conduction geometry is between two layer medium layer 10.Wherein, each structural parameters are as follows: the relative dielectric constant of dielectric layer 10 is 3, and the thickness of dielectric layer 10 is 4mm; Conductive part 21 is 9mm with the length of conductive part 22, and width is 0.5mm, and thickness is 0.018mm; The length of bus 23 and bus 24 is 5mm, and width is 0.5mm, and thickness is 0.018mm; Conductive part 21, conductive part 22, bus 23 and bus 24 are made by liquid silver.

Figure 11 shows the TE mould of embodiment two and the S21 parameters simulation curve synoptic diagram of TM mould.As shown in figure 11, in figure, transverse axis is the operating frequency of antenna, and the longitudinal axis is S21 parameter.Wherein the unit of the operating frequency of antenna is the unit of GHz, S21 parameter is dB.As can be seen from the figure, when the electromagnetic wave of antenna, the S21 parameters simulation result during bandreject filtering Meta Materials that TE mould and TD mould be radiated in above-described embodiment is comprised.As shown in Figure 4, while the electromagnetic wave of band gas barrier ripple Meta Materials to Ku wave band of embodiment two plays wave transparent effect, good inhibitory action is served to the electromagnetic wave in 9 to 11GHz wave band.In addition, TE imitates genuine wave penetrate capability and TM and imitates genuine wave penetrate capability being less than in 18GHz wave band substantially identical, and the wave penetrate capability of the band gas barrier ripple Meta Materials of embodiment two is more stable.

The band gas barrier ripple Meta Materials of embodiment three comprises at least two one functional layer, and each functional layer comprises: dielectric layer 10 and conduction geometry, and conduction geometry is placed on dielectric layer 10, and conduction geometry comprises multiple disconnected conduction geometry.In embodiment three, comprise three conduction geometries.

Projected by electromagnetic wave on the band gas barrier ripple Meta Materials of embodiment three, band gas barrier ripple Meta Materials has good wave penetrate capability for the Ku wave band in this electromagnetic wave, reduces RCS (RCS).That is, the electromagnetic wave of Ku wave band can essentially through the band gas barrier ripple Meta Materials of embodiment three.

As shown in figure 12, the band gas barrier ripple Meta Materials of embodiment three also comprises six layers of prepreg 51 and two-layer PMI52.Dielectric layer is made up of nonmetallic materials, and conduction geometry is arranged on dielectric layer.The lamination order of each structure of the band gas barrier ripple Meta Materials of embodiment three is followed successively by: prepreg 51, conduction geometry (conduction geometry is the monocycle of hollow out), prepreg 51, PMI52, prepreg 51, conduction geometry (conduction geometry is the monocycle of hollow out), prepreg 51, PMI52, prepreg 51, conduction geometry (conduction geometry is the monocycle of hollow out) and prepreg 51.Like this, the band gas barrier ripple Meta Materials of embodiment three is higher in the wave transmission rate of Ku wave band.PMI52 is preferably foam.At the not shown dielectric layer of lamination order of above-mentioned each structure, but, conduction geometry be still arranged on dielectric layer 10, both lamination order can exchange.

In embodiment three, each structural parameters are as follows: the relative dielectric constant of each prepreg 51 is 2.85, and loss tangent value is 0.005, and thickness is 0.2mm; The relative dielectric constant of dielectric layer 10 is 3.2, and loss tangent value is 0.002, and thickness is 0.025mm, and the length of the monocycle of hollow out and the monocycle of hollow out is 10mm, and width is 8.7mm; The relative dielectric constant of PMI52 is 1.05, and loss tangent value is 0.006, and thickness is 4mm.Conduction geometry is all made of copper, and thickness is 0.018mm, and wherein, the outer radius of hollow out monocycle is 3.9mm, and inside radius is 2.7mm, and the outer radius of hollow out monocycle is 3.7mm, and inside radius is 2.5mm.

Figure 13 shows the S21 parameters simulation curve synoptic diagram of the TE mould of the band gas barrier ripple Meta Materials of embodiment three, and Figure 14 shows the S21 parameters simulation curve synoptic diagram of the TM mould of the band gas barrier ripple Meta Materials of embodiment three.In figure, transverse axis is the operating frequency of antenna, and the longitudinal axis is S21 parameter.Wherein the unit of the operating frequency of antenna is the unit of GHz, S21 parameter is dB.As can be seen from the figure, when the electromagnetic wave of antenna, comprise TE mould (English name TE mode, represent in the waveguide, the longitudinal component of electric field is zero, and the non-vanishing communication mode of the longitudinal component in magnetic field) and TD mould (English name TM mode, represents in the waveguide, the longitudinal component in magnetic field is zero, and the non-vanishing communication mode of the longitudinal component of electric field) S21 parameters simulation result when being radiated in above-described embodiment bandreject filtering Meta Materials.Electromagnetic wave is projected on the band gas barrier ripple Meta Materials of embodiment three, show the wave transmission rate value of electromagnetic loss S21 close to 0dB, for the Ku wave band in this electromagnetic wave, there is good wave penetrate capability with gas barrier ripple Meta Materials, reduce RCS (RCS).That is, the electromagnetic wave of Ku wave band can essentially through the band gas barrier ripple Meta Materials of embodiment three.In addition, TE mould is substantially identical with the simulation curve of TM mould, and the wave penetrate capability of the band gas barrier ripple Meta Materials of embodiment three is more stable.

The band gas barrier ripple Meta Materials of embodiment four comprises at least two one functional layer, and each functional layer comprises: dielectric layer 10 and conduction geometry, and conduction geometry is placed on dielectric layer 10, and conduction geometry comprises multiple disconnected conduction geometry.In embodiment four, comprise three conduction geometries, the concrete structure of the conduction geometry of conduction geometry as shown in Figure 10.The conduction geometry of three conduction geometries is the dicyclo of hollow out.

In embodiment four, each structural parameters are as follows: the relative dielectric constant of each prepreg 51 is 2.85, and loss tangent value is 0.005, and thickness is 0.2mm; The relative dielectric constant of dielectric layer 10 is 3.2, and loss tangent value is 0.002, and thickness is 0.025mm, and the length of the dicyclo of hollow out is 9.6mm, and width is 8.3mm; The relative dielectric constant of PMI52 is 1.05, and loss tangent value is 0.006, and thickness is 4mm.Conduction geometry is all made of copper, and thickness is 0.018mm, and wherein, the interior outer radius of the outer shroud of the dicyclo of hollow out is respectively 2.5mm and 3.9mm, and the interior outer radius of the inner ring of the dicyclo of hollow out is 0.5mm and 1.8mm.

Figure 15 shows the S21 parameters simulation curve synoptic diagram of the TE mould of the band gas barrier ripple Meta Materials of embodiment four.Figure 16 shows the S21 parameters simulation curve synoptic diagram of the TM mould of the band gas barrier ripple Meta Materials of embodiment four.In figure, transverse axis is the operating frequency of antenna, and the longitudinal axis is S21 parameter.Wherein the unit of the operating frequency of antenna is the unit of GHz, S21 parameter is dB.As can be seen from the figure, when the electromagnetic wave of antenna, the S21 parameters simulation result during bandreject filtering Meta Materials that TE mould and TD mould be radiated in above-described embodiment is comprised.As shown in figure 11, electromagnetic wave is projected on the band gas barrier ripple Meta Materials of embodiment four, show the wave transmission rate value of electromagnetic loss S21 close to 0dB, band gas barrier ripple Meta Materials has good wave penetrate capability for the Ku wave band in this electromagnetic wave, reduces RCS (RCS).That is, the electromagnetic wave of Ku wave band can essentially through the band gas barrier ripple Meta Materials of embodiment four.In addition, TE mould is substantially identical with the simulation curve of TM mould, and the wave penetrate capability of the band gas barrier ripple Meta Materials of embodiment four is more stable.

As shown in figure 17, the band gas barrier ripple Meta Materials of embodiment five comprises at least two one functional layer, each functional layer comprises: dielectric layer 10 and conduction geometry, conduction geometry is placed on dielectric layer 10, conduction geometry comprises multiple disconnected conduction geometry in embodiment five, five conduction geometries, illustrate only the conduction geometry of wherein last conduction geometry in Figure 17.The structure of front four conduction geometries of embodiment five is same as the structure (conduction geometry is the monocycle of hollow out, and size is not identical, and concrete size is follow-up to be described) of one deck conduction geometry of embodiment three.The conduction geometry of last conduction geometry is cross distressed structure, specifically comprises bus 61, bus 62, two buss 63 and two buss 64.Bus 62 is crossing with bus 61, and the middle part of bus 62 is connected with the middle part of bus 61.Two buss 63 connect one to one with the two ends of bus 61.Two buss 64 connect one to one with the two ends of bus 62, bus 61, bus 62, two buss 63 and two buss 64.Preferably, the structure of above-mentioned conduction geometry is identical with the structure of the conduction geometry in embodiment two.

As shown in figure 18, the band gas barrier ripple Meta Materials of embodiment five.The lamination order of each structure with gas barrier ripple Meta Materials is followed successively by: prepreg 51, conduction geometry (conduction geometry is the monocycle of hollow out), prepreg 51, PMI52, prepreg 51, conduction geometry (conduction geometry is the monocycle of hollow out), prepreg 51, PMI52, prepreg 51, conduction geometry (conduction geometry is the monocycle of hollow out), prepreg 51, PMI52, prepreg 51, conduction geometry (conduction geometry is the monocycle of hollow out), prepreg 51, conduction geometry (cross distressed structure) and prepreg 51.

In embodiment five, each structural parameters are as follows: the relative dielectric constant of each prepreg 51 is 2.85, and loss tangent value is that the thickness of upper six layers of prepreg 51 in 0.005, figure is 0.2mm, and the thickness of lower three layers of prepreg 51 is 0.12mm; The relative dielectric constant of dielectric layer 10 is 3.2, and loss tangent value is 0.002, and thickness is 0.025mm, and the length of the monocycle of hollow out is 9.6mm, and width is 8.3mm; The relative dielectric constant of PMI52 is 1.05, and loss tangent value is 0.006, and thickness is 4mm.Conduction geometry is all made of copper, and thickness is 0.018mm, and wherein, the outer radius of the monocycle of hollow out is 3.9mm, and inside radius is 2.5mm; The length of bus 61 and bus 62 is 5mm, and width is 0.1mm; The length of bus 63 and bus 64 is 4mm, and width is 0.1mm.

Figure 19 shows the S21 parameters simulation curve synoptic diagram of the TE mould of the band gas barrier ripple Meta Materials of embodiment five.Figure 20 shows the S21 parameters simulation curve synoptic diagram of the TM mould of the band gas barrier ripple Meta Materials of embodiment five.In figure, transverse axis is the operating frequency of antenna, and the longitudinal axis is S21 parameter.Wherein the unit of the operating frequency of antenna is the unit of GHz, S21 parameter is dB.As can be seen from the figure, when the electromagnetic wave of antenna, the S21 parameters simulation result during bandreject filtering Meta Materials that TE mould and TD mould be radiated in above-described embodiment is comprised.As illustrated in figures 19 and 20, electromagnetic wave is projected on the band gas barrier ripple Meta Materials of embodiment five, show the wave transmission rate value of electromagnetic loss S21 close to 0dB, band gas barrier ripple Meta Materials has good wave penetrate capability for the Ku wave band in this electromagnetic wave, reduces RCS (RCS).That is, the electromagnetic wave of Ku wave band can essentially through the band gas barrier ripple Meta Materials of embodiment five.In addition, TE mould is substantially identical with the simulation curve of TM mould, and the wave penetrate capability of the band gas barrier ripple Meta Materials of embodiment five is more stable.

Preferably, dielectric layer is composite material or ceramic material.Preferably, composite material is thermosets or thermoplastic.Preferably, composite material is one deck structural material or the sandwich that comprise fiber, foam and/or honeycomb.Preferably, this composite material contains reinforcing material, and this reinforcing material is at least one in fiber, fabric, particle.Preferably, in addition to the embodiments described above, the geometry that conducts electricity can also be yi word pattern or snowflake type.

Preferably, multiple disconnected conduction geometry is periodic arrangement or aperiodicity arrangement.Can adjust according to operating frequency of antenna, wherein, the arrangement rule of periodic arrangement and aperiodicity arrangement all can adjust according to the running parameter of antenna, to realize the adjustment of electric capacity and inductance.

Further, the multiple latticed conduction geometry of periodic arrangement or aperiodicity arrangement can be at least one in triangle, quadrangle, pentagon, hexagon, circle, ellipse.Wherein, the grid in latticed can be closed, also can be opening.Multiple latticed conduction geometry can be planar structure also can be stereochemical structure.

Preferably, functional layer, except conduction geometry, also comprises at least one conduction geometry in conducting strip or grid, ring-type, cross, yi word pattern, snowflake type and cross distressed structure.Further, the shape of the conduction geometry of ring-type is at least one in triangle, quadrangle, pentagon, hexagon, circle and ellipse.Conduction geometry except the ring-type of above-described embodiment is monocycle or the dicyclo of hollow out, the multiring structure that the conduction geometry of ring-type also can be greater than three for number of rings.Further, latticed conduction geometry comprises conduction geometry further.Further, conduction geometry be straight line or curve formed cross, yi word pattern, snowflake type, cross distressed structure, and in sheets of conductive geometry mechanism any one.Further, the upper surface of multiple function layers and lower surface are equipped with protective layer.

Further, between the conduction geometry of different functional layers or the shape of the conduction geometry of same functional layer, size, live width and spacing identical or different.

Preferably, the functional layer of the multiband wave transparent Meta Materials of the embodiment of the present invention can be low pass wave transparent Meta Materials functional layer.The low pass wave transparent Meta Materials of embodiment one comprises multiple function layers, the conduction geometry that each functional layer comprises dielectric layer 10 and is arranged on dielectric layer 10, and in multiple function layers, the conduction geometry of at least one one functional layer comprises one or more conducting strip.In embodiment one, the conduction geometry of an one functional layer is a conducting strip, and this conducting strip is square hollow out single ring architecture.

The technical scheme of Application Example one, in multiple function layers, the conduction geometry of at least one one functional layer comprises one or more conducting strip, dielectric constant and the magnetic permeability of low pass wave transparent Meta Materials can be regulated like this, when can make the low pass wave transparent Meta Materials of electromagnetic wave by embodiment one, the electromagnetism wave energy high efficiency of working frequency range penetrates, effectively end the electromagnetic wave higher than working frequency range, thus solve the radome problem bad to the electromagnetic wave inhibition outside working frequency range, and then reach the effect strengthened the electromagnetic suppression outside working frequency range.

The low pass wave transparent Meta Materials of embodiment one can serve good wave transparent effect to the electromagnetic wave of L-band.Rectangular ring engraved structure can use any metal material, the mixture of such as gold, silver or copper or several metal.The original form of any metal material used can be solid, liquid, stream-like body or powder.Certainly, the conducting strip in embodiment one also can be the engraved structure of other shapes, such as hollow out rectangle, hollow out annulus or hollow out elliptical ring, can be the monocycle of hollow out or many rings.

In order to expand further the low pass wave transparent Meta Materials of embodiment one can through electromagnetic wave band, as shown in figure 21, dielectric layer 10 has two relative surfaces, described two surfaces is provided with described conduction geometry, i.e. square hollow out single ring architecture.Dielectric layer 10 is preferably square.

In embodiment one, each structural parameters are as follows: the relative dielectric constant of dielectric layer 10 is 2.8, and thickness is 6mm, and length and width are 5.3mm; The outer peripheral length of square hollow out single ring architecture and width are 2.5mm, and the length of inward flange and width are 2.3mm, and thickness is 0.018mm, and that is, the thickness of conduction geometry is 0.018mm, and square hollow out single ring architecture is made up of liquid silver.

Figure 22 shows the S21 parameters simulation curve synoptic diagram of the low pass wave transparent Meta Materials of embodiment one.As shown in figure 22, in figure, transverse axis is the operating frequency of antenna, and the longitudinal axis is S21 parameter.Wherein the unit of the operating frequency of antenna is the unit of GHz, S21 parameter is dB.As can be seen from the figure when the electromagenetic wave radiation of antenna is to S21 parameters simulation result during bandreject filtering Meta Materials in above-described embodiment.Electromagnetic wave irradiation illustrates to the simulation result of embodiment one, and the wave transmission rate value of electromagnetic loss S21 is not only basic close to 0dB in L-band, and all basic close to 0dB in frequency range 8.5GHz, represents that electromagnetic wave wave transmission rate is very high.Achieve the performance requirement of the Electromgnetically-transparent to low frequency.

Be at the low pass wave transparent Meta Materials of embodiment two and the difference of embodiment one, in embodiment two, conducting strip is straight-flanked ring.Like this, the low pass wave transparent Meta Materials of embodiment two can improve the electromagnetic wave transmission rate of L-band equally, in addition, when electromagnetic incident angle be 0 ° to 30 ° spend time, the low pass wave transparent Meta Materials of embodiment two can produce inhibitory action to the electromagnetic wave in 4 to 18GHz wave band, prevents the electromagnetic wave in 4 to 18GHz wave band through the low pass wave transparent Meta Materials of embodiment two.

In embodiment two, conducting strip is Q-RING.Like this, make the electromagnetic wave penetrate capability of L-band more stable.

In embodiment two, Q-RING is four, and four Q-RINGs are intervally installed.Certainly, the quantity of Q-RING is not limited to four, can need specifically to determine according to scene.In addition, conveniently conduction geometry is arranged on dielectric layer 10, first be attached on softH layer by conduction geometry, softH layer is equivalent to conduct electricity the carrier of geometry, then softH layer is arranged on dielectric layer 10 and is arranged on dielectric layer 10 to realize conducting electricity geometry.Dielectric layer 10 is preferably FR4 substrate.Preferably, the geometry that conducts electricity is arranged between two layer medium layer 10.Q-RING is made of copper.

Each structural parameters are as follows: length and the width of dielectric layer 10 are 4.5mm, and thickness is 0.9mm, and relative dielectric constant is 3.15, and loss tangent value is 0.005; The thickness of Q-RING is 0.018mm, and the outer length of side of Q-RING is 4.1mm, and the interior length of side is 3.3mm, and that is, the width of Q-RING is 0.4mm; Four Q-RINGs are rectangular arrangement, and the spacing of adjacent two Q-RINGs is 0.4mm; The relative dielectric constant of softH layer is 3.2, and thickness is 0.025mm.The gross thickness of the low pass wave transparent Meta Materials of embodiment two is 1.843mm.

S11 and the S21 parameters simulation curve synoptic diagram of the TE mould when low pass wave transparent Meta Materials that Figure 23 to Figure 26 shows embodiment two is 0 ° to 30 ° at electromagnetic wave incident angle.

S11 and the S21 parameters simulation curve synoptic diagram of the TM mould when low pass wave transparent Meta Materials that Figure 27 to Figure 30 shows embodiment two is 0 ° to 30 ° at electromagnetic wave incident angle.

In Figure 23 to Figure 30, in figure, transverse axis is the operating frequency of antenna, and the longitudinal axis is S11 and S21 parameter.Wherein the unit of the operating frequency of antenna is the unit of GHz, S11 and S21 parameter is dB.As can be seen from the figure, when the electromagnetic wave of antenna comprises TE mould (English name TE mode, represent in the waveguide, the longitudinal component of electric field is zero, and the non-vanishing communication mode of the longitudinal component in magnetic field) and TD mould (English name TM mode, represent that the longitudinal component in magnetic field is zero in the waveguide, and the non-vanishing communication mode of the longitudinal component of electric field) S11 and S21 parameters simulation result when being radiated in embodiment two low-pass filtering Meta Materials.In Figure 23 to Figure 30, S11 parameter is the curve of from left to right first shown in figure, and S21 parameter is from left to right second shown in figure and the 3rd curve.

As can be seen from above-mentioned figure, S21(wave transmission rate value) very high at the numerical value of L-band, very low at the numerical value of 4 to 18GHz wave band; S11(reflects wave number) very low at the numerical value of L-band, very high at the numerical value of 4 to 18GHz wave band, that is, the low pass wave transparent Meta Materials that the electromagnetic wave of 4 to 18GHz wave band is implemented example two has substantially reflected back.Above-mentioned data show, the electromagnetic wave of low pass wave transparent Meta Materials to L-band of embodiment two has very high wave penetrate capability, can produce very strong inhibitory action to the electromagnetic wave in 4 to 18GHz wave band.In addition, because TE mould is substantially identical with the curve tendency of TM mould, therefore, the wave penetrate capability of the low pass wave transparent Meta Materials of embodiment two is more stable.

The low pass wave transparent Meta Materials of embodiment three and the difference of embodiment two are, in embodiment three, functional layer is three layers, and wherein the conduction geometry of ground floor functional layer is conducting strip, and this conducting strip is rectangular sheet.Second and the 3rd the conduction geometry of functional layer be the cross distressed structure that straight line is formed.Ground floor functional layer is second and the 3rd between functional layer.Cross distressed structure comprises bus 21 and the bus 22 crossing with bus 21, no matter said structure makes electromagnetic incident angle be how many, the low pass wave transparent Meta Materials of embodiment three can play wave transparent effect to the electromagnetic wave of L-band, produces inhibitory action to the electromagnetic wave outside L-band simultaneously.

In embodiment three, the conducting strip of ground floor functional layer is square plate.Like this, the electromagnetic inhibitory action outside to L-band is enhanced.

As shown in figure 31, in embodiment three, the middle part of bus 21 is connected with the middle part of bus 22.Like this, better inhibitory action can be played to the electromagnetic wave outside L-band.Certainly, as feasible execution mode, also the middle part of of bus 21 end and bus 22 or an end can be connected.

As shown in figure 31, in embodiment three, conduction geometry also comprises two buss 23 and two buss 24.Two buss 23 connect one to one with the two ends of bus 21.Two buss 24 connect one to one with the two ends of bus 22.Like this, improve the electromagnetic wave penetrate capability to L-band.

As shown in figure 31, in embodiment three, each bus 23 is all parallel with bus 22, and each bus 24 is all parallel with bus 21.Like this, better wave transparent effect is served to the electromagnetic wave of L-band.

As shown in figure 31, in embodiment three, the middle part of each bus 23 is connected with bus 21, and the middle part of each bus 24 is connected with bus 22.Like this, better wave transparent effect is played to the electromagnetic wave of L-band.Preferably, each bus 23 is equal with the length of each bus 24.

As shown in figure 31, in embodiment three, bus 21 is perpendicular with bus 22.Like this, to the electromagnetic wave outside L-band, there is stronger inhibitory action.Certainly, as feasible execution mode, bus 21 and bus 22 can form the angle being less than 90 °.Preferably, bus 21 is equal with the length of bus 22.

As shown in figure 31, in embodiment three, bus 21 is one-body molded with bus 22, second and the 3rd each several part thickness of conduction geometry of functional layer equal.That is, bus 21 is equal with the thickness of other parts with the thickness of bus 22 connection.Like this, save the metal material that conduction geometry uses, reduce production cost.

As shown in figure 32, the lamination order of each structure of low pass wave transparent Meta Materials is followed successively by: cross distressed structure, dielectric layer 10, square plate, dielectric layer 10 and cross distressed structure.In addition, conveniently cross distressed structure and square plate are arranged on dielectric layer 10, first be attached on softH layer respectively by cross distressed structure and square plate, softH layer is equivalent to cross distressed structure and the carrier of square plate, then is arranged on dielectric layer 10 by softH layer.Dielectric layer 10 is preferably FR4 substrate.Cross distressed structure and square plate are all made of copper.

In order to protect layer 2 and layer 3 feature layer; the low pass wave transparent Meta Materials of embodiment three also comprises two-layer baffle 30; as shown in figure 13, the lamination order of each structure of the low pass wave transparent Meta Materials of embodiment three is followed successively by: baffle 30, cross distressed structure, dielectric layer 10, square plate, dielectric layer 10, cross distressed structure and baffle 30.Baffle 30 is preferably FR4 substrate.As feasible execution mode, can be provided with interlayer between two adjacent one functional layer, interlayer is preferably foam.

In embodiment three, each structural parameters are as follows: length and the width of dielectric layer 10 are 14mm, and thickness is 0.8mm, and relative dielectric constant is 3.15, and loss tangent value is 0.005; Cross distressed structure and the thickness of square plate are 0.018mm, and length and the width of square plate are 10.4mm, and that is, length and the width of square plate are 10.4mm; The relative dielectric constant of softH layer is 3.2, and thickness is 0.025mm; Length and the width of baffle 30 are 14mm, and thickness is 0.12mm, and relative dielectric constant is 3.15, and loss tangent value is 0.005; The gross thickness of the low pass wave transparent Meta Materials of embodiment three is 1.972mm.

As shown in figure 33, in figure, transverse axis is the operating frequency of antenna, and the longitudinal axis is S11 and S21 parameter.Wherein the unit of the operating frequency of antenna is the unit of GHz, S11 and S21 parameter is dB.S11 parameter is the curve of from left to right first shown in figure, and S21 parameter is the curve of from left to right second shown in figure.As can be seen from Figure 14, the low pass wave transparent Meta Materials of embodiment three can make the electromagnetic wave of L-band through, and loss is low, meanwhile, can suppress the electromagnetic wave in 4 to 18GHz wave band.By can be calculated, the mean value of the electromagnetic S21 of L-band is the mean value of the electromagnetic S21 in-0.4769dB, 4-18GHz wave band is-12.7570dB.

As feasible execution mode, embodiment three second and the 3rd the conduction geometry of functional layer can be straight line or curve cross, ring-type, yi word pattern, the snowflake type that are formed or cross distressed structure.Preferably, be oppositely arranged between the adjacent two layers of multiple function layers, interval arranges or setting of staggering.

Further, between the conduction geometry of different functional layers or the shape of the geometry of the conduction geometry of same functional layer, size, live width and spacing identical or different.

Preferably, dielectric layer is composite material or ceramic material.Preferably, composite material is thermosets or thermoplastic.Preferably, composite material is one deck structural material or the sandwich that comprise fiber, foam and/or honeycomb.Preferably, this composite material contains reinforcing material, and this reinforcing material is at least one in fiber, fabric, particle.

According to this functional layer of multiband wave transparent Meta Materials of further embodiment of this invention by 2 layers of dielectric layer, 3-tier architecture layer is formed, wherein, structure sheaf comprises metallic conduction geometry, metallic conduction geometry is directly produced on the two sides of dielectric layer, and the lamination order of various material is followed successively by: the first structure sheaf, first medium layer, the second structure sheaf, second dielectric layer, the 3rd structure sheaf.Wherein, dielectric layer is square dielectric layer, and its dielectric constant is 3.4, and loss is 0.0028, and thickness is 0.5mm, length of side 3.1mm.

Metallic conduction geometry adopts copper product, and its thickness is 0.018mm, and ground floor and third layer conduction geometry as shown in figure 34, are hollow out Jerusalem cross.Wherein stitch wide 0.2mm, orthogonal cross flute length 1.5mm, the minor matters flute length 1.1mm orthogonal with cross recess, institute is seamed wide all identical, and two grooves of orthogonal cross are measure-alike, and four minor matters sizes are also identical, and metallic plate is square, length of side 2.9mm.

Metallic intermediate layer conduction geometry as shown in figure 35, is cross, live width 1.4mm, long 3.1mm.

The arrangement mode of conduction geometry is square arrangement, as shown in figure 36.

The TE mould wave transparent characteristic of this invention multiband wave transparent Meta Materials, as Figure 37, has a passband as can be seen from Figure respectively near 15GHz and 37GHz, and is band stopband in all the other positions, presents dual-passband electromagnetic property.

Figure 37 is the simulation result of TE mould S21 transfer curve.

TM mould wave transparent characteristic as shown in figure 38, has the wave penetrate capability similar to TE mould.

Present invention also offers a kind of radome (not shown), the radome of the present embodiment comprises multiple low pass wave transparent Meta Materials, and multiple low pass wave transparent Meta Materials connects between two, and low pass wave transparent Meta Materials is the low pass wave transparent Meta Materials of above-mentioned any embodiment.Projected by electromagnetic wave on the low pass wave transparent Meta Materials of embodiment one, low pass wave transparent Meta Materials has good wave penetrate capability for the L-band in this electromagnetic wave.That is, the electromagnetic wave of L-band can essentially through the low pass wave transparent Meta Materials of embodiment one.In addition, because physical material layer has certain mechanical strength, can play a protective role to antenna or by the device of its parcel.As the above analysis, the radome of the present embodiment improves the electromagnetic wave transmission rate of L-band.The radome of the present embodiment can be the arbitrary shape adapting to field demand.

A kind of radome is additionally provided according to the embodiment of the present invention, this radome comprises the multiband wave transparent Meta Materials provided in the embodiment of the present invention, wherein, this multiband wave transparent Meta Materials can comprise high pass wave transparent Meta Materials functional layer or is with penetrating wave energy layer or is with gas barrier ripple Meta Materials functional layer or low pass wave transparent Meta Materials functional layer, namely the multiband wave transparent Meta Materials in embodiments of the invention may be used for the radome in the present embodiment, and the radome in the present embodiment also can adopt the multiband wave transparent Meta Materials in the embodiment of the present invention.

Radome in the embodiment of the present invention is located on antenna, has certain intervals distance or cover on antenna with antenna, and the mechanical strength protection antenna provided by the dielectric layer of multiband wave transparent Meta Materials, makes antenna not be subject to the infringement of wind and rain, frost etc.

Additionally provide a kind of antenna system according to the embodiment of the present invention, this antenna system comprises the radome that antenna and the embodiment of the present invention provide, and wherein, radome is located on antenna.

The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.

Claims

1. a multiband wave transparent Meta Materials, is characterized in that, comprising: multiple function layers, and described functional layer comprises at least two layer medium layer and at least two-layer conduction geometry layer; Described at least two-layer conduction geometry is arranged between adjacent two-layer described dielectric layer; Wherein, the conduction geometry layer of this multiband wave transparent Meta Materials and dielectric layer make this multiband wave transparent Meta Materials have such dielectric constant and magnetic permeability: make electromagnetic wave when by this multiband wave transparent Meta Materials, in multiple working frequency range, electromagnetic wave all penetrates this multiband wave transparent Meta Materials, and the electromagnetic wave outside working frequency range is cut off.

2. multiband wave transparent Meta Materials according to claim 1, is characterized in that, be provided with interlayer in functional layer described in multilayer described in adjacent two between functional layer.

3. multiband wave transparent Meta Materials according to claim 2, is characterized in that, be provided with the material of foam and/or honeycomb in described interlayer.

4. multiband wave transparent Meta Materials according to claim 1, it is characterized in that, the surface of described functional layer is provided with protective layer.

5. multiband wave transparent Meta Materials according to claim 1, it is characterized in that, described functional layer comprises band gas barrier ripple Meta Materials functional layer, described band gas barrier ripple Meta Materials functional layer dielectric layer and the conduction geometry be arranged on described dielectric layer, described conduction geometry is disconnected conduction geometry.

6. multiband wave transparent Meta Materials according to claim 5, is characterized in that, described disconnected conduction geometry is periodic arrangement or aperiodicity arrangement.

7. multiband wave transparent Meta Materials according to claim 6, it is characterized in that, described conduction geometry comprises at least one conduction geometry in conducting strip or latticed, ring-type, cross, yi word pattern, snowflake type and cross distressed structure.

8. multiband wave transparent Meta Materials according to claim 7, is characterized in that, the shape of the conduction geometry of described ring-type is at least one in triangle, quadrangle, pentagon, hexagon, circle and ellipse.

9. the multiband wave transparent Meta Materials according to claim 7 or 8, is characterized in that, the conduction geometry of described ring-type is the monocycle of hollow out, dicyclo or many rings.

10. multiband wave transparent Meta Materials according to claim 7, is characterized in that, described latticed conduction geometry mechanism is closed or opening.

11. multiband wave transparent Meta Materials according to claim 1, it is characterized in that, described functional layer comprises low pass wave transparent Meta Materials functional layer, described low pass wave transparent Meta Materials functional layer comprises dielectric layer and is arranged on the conduction geometry on described dielectric layer, and described conduction geometry comprises one or more conducting strip.

12. multiband wave transparent Meta Materials according to claim 1, it is characterized in that, described functional layer comprises high pass wave transparent Meta Materials functional layer, and described high pass wave transparent Meta Materials functional layer comprises multiple latticed conduction geometry, is provided with electric wire at least partly in conduction geometry.

13. multiband wave transparent Meta Materials according to claim 12, is characterized in that, described multiple latticed conduction geometry is periodic arrangement or aperiodicity arrangement.

14. multiband wave transparent Meta Materials according to claim 12, is characterized in that, described multiple latticed conduction geometry is at least one in triangle, quadrangle, pentagon, hexagon, circle and ellipse.

15. multiband wave transparent Meta Materials according to claim 12, it is characterized in that, described latticed grid is closed or opening.

16. multiband wave transparent Meta Materials according to claim 12, is characterized in that, cross, yi word pattern, snowflake type that described electric wire comprises that straight line or curve formed and cross distressed structure.

17. multiband wave transparent Meta Materials according to claim 12, is characterized in that, described electric wire and described latticed conduction geometry electrically completely cut off.

18. multiband wave transparent Meta Materials according to claim 12, is characterized in that, described multiple latticed conduction geometry is planar structure.

19. multiband wave transparent Meta Materials according to claim 17, is characterized in that, described electric wire is positioned at described multiple latticed conduction geometry.

20. multiband wave transparent Meta Materials according to claim 12, is characterized in that, described multiple latticed conduction geometry is stereochemical structure.

21. multiband wave transparent Meta Materials according to claim 20, is characterized in that, described electric wire is positioned at different planes from described multiple latticed conduction geometry.

22. multiband wave transparent Meta Materials according to claim 12, it is characterized in that, described functional layer comprises the penetrating ripple Meta Materials functional layer of band, and in described band penetrating ripple Meta Materials functional layer, one deck conduction geometry is conducting strip, and another layer of conduction geometry is latticed conduction geometry.

23. multiband wave transparent Meta Materials according to claim 22, it is characterized in that, be provided with the conduction geometry of straight line or curve formation in described latticed grid, this conduction geometry comprises cross-shaped configuration, yi word pattern structure, snowflake type structure, I-shaped structure, resonant ring structure and cross distressed structure.

24. multiband wave transparent Meta Materials according to claim 22, is characterized in that, the shape of described conducting strip is at least one in triangle, quadrangle, pentagon, hexagon, circle and ellipse.

25. multiband wave transparent Meta Materials according to claim 22, it is characterized in that, on described conducting strip, hollow out is provided with conduction geometry.

26. multiband wave transparent Meta Materials according to claim 25, is characterized in that, described electric wire comprises cross, yi word pattern, snowflake type, I-shaped structure, resonant ring structure and the cross distressed structure of straight line or curve formation.

27. multiband wave transparent Meta Materials according to claim 26, is characterized in that, be oppositely arranged between the levels of described multiple function layers.

28. multiband wave transparent Meta Materials according to claim 26, is characterized in that, setting of staggering between the levels of described multiple function layers.

29. multiband wave transparent Meta Materials according to claim 26, is characterized in that, between different described functional layers or the shape of the conducting strip of same structure layer, size and spacing identical or different.

30. multiband wave transparent Meta Materials according to claim 26, is characterized in that, between different described functional layers or the shape of the conduction geometry of same structure layer, size, live width and spacing identical or different.

31. multiband wave transparent Meta Materials according to claim 1, it is characterized in that, described dielectric layer is composite substrate or ceramic substrate.

32. multiband wave transparent Meta Materials according to claim 31, it is characterized in that, described composite material is thermosets or thermoplastic.

33. multiband wave transparent Meta Materials according to claim 31, is characterized in that, described composite material is one deck structural material or the sandwich that comprise fiber, foam and/or honeycomb.

34. multiband wave transparent Meta Materials according to any one of claim 31 to 33, it is characterized in that, described composite material contains reinforcing material, and described reinforcing material is at least one in fiber, fabric, particle.

35. 1 kinds of radomes, is characterized in that, comprise the multiband wave transparent Meta Materials according to any one of claims 1 to 34.

36. 1 kinds of antenna systems, is characterized in that, comprising: antenna and radome according to claim 35, described radome is located on antenna.