CN107240778A - Metamaterial antenna cover - Google Patents
Metamaterial antenna cover Download PDFInfo
- Publication number
- CN107240778A CN107240778A CN201710472921.1A CN201710472921A CN107240778A CN 107240778 A CN107240778 A CN 107240778A CN 201710472921 A CN201710472921 A CN 201710472921A CN 107240778 A CN107240778 A CN 107240778A
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- China
- Prior art keywords
- metal layer
- layer
- structured metal
- medium substrate
- metamaterial
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 239000002184 metal Substances 0.000 claims abstract description 83
- 229910052751 metal Inorganic materials 0.000 claims abstract description 83
- 239000000758 substrate Substances 0.000 claims abstract description 57
- 230000010287 polarization Effects 0.000 claims abstract description 15
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims description 5
- 239000010931 gold Substances 0.000 claims description 5
- 229910052737 gold Inorganic materials 0.000 claims description 5
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims description 4
- 239000004810 polytetrafluoroethylene Substances 0.000 claims description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 3
- 229910052802 copper Inorganic materials 0.000 claims description 3
- 239000010949 copper Substances 0.000 claims description 3
- 239000004593 Epoxy Substances 0.000 claims description 2
- 239000004760 aramid Substances 0.000 claims description 2
- 229920003235 aromatic polyamide Polymers 0.000 claims description 2
- -1 polytetrafluoroethylene Polymers 0.000 claims description 2
- 239000011521 glass Substances 0.000 claims 1
- 239000000463 material Substances 0.000 description 10
- 230000000737 periodic effect Effects 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 229920006231 aramid fiber Polymers 0.000 description 2
- 230000033228 biological regulation Effects 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 238000004088 simulation Methods 0.000 description 2
- 230000022131 cell cycle Effects 0.000 description 1
- 230000001413 cellular effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 239000002923 metal particle Substances 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 210000000498 stratum granulosum Anatomy 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q15/00—Devices for reflection, refraction, diffraction or polarisation of waves radiated from an antenna, e.g. quasi-optical devices
- H01Q15/0006—Devices acting selectively as reflecting surface, as diffracting or as refracting device, e.g. frequency filtering or angular spatial filtering devices
- H01Q15/0053—Selective devices used as spatial filter or angular sidelobe filter
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/42—Housings not intimately mechanically associated with radiating elements, e.g. radome
- H01Q1/422—Housings not intimately mechanically associated with radiating elements, e.g. radome comprising two or more layers of dielectric material
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q15/00—Devices for reflection, refraction, diffraction or polarisation of waves radiated from an antenna, e.g. quasi-optical devices
- H01Q15/24—Polarising devices; Polarisation filters
- H01Q15/242—Polarisation converters
Landscapes
- Aerials With Secondary Devices (AREA)
- Details Of Aerials (AREA)
Abstract
The invention discloses a kind of metamaterial antenna cover, including：Polarized rotation metamaterial layer, honeycomb layer and frequency-selective surfaces layer, polarized rotation metamaterial layer include first medium substrate and the first structured metal layer；Frequency-selective surfaces layer includes two second medium substrates, the second structured metal layer, the 3rd structured metal layer and the 4th structured metal layer；First medium substrate and the second structured metal layer are respectively attached to the both side surface of honeycomb layer.Therefore, metamaterial antenna cover provided in an embodiment of the present invention, by setting polarized rotation metamaterial layer, honeycomb layer and frequency-selective surfaces layer, the efficient wave transparent of the electromagnetic wave in frequency-selective surfaces radome working band can be realized, the polarised direction of the reflection electromagnetic wave outside working band can be rotated using metamaterial layer simultaneously, reflection electromagnetic wave is caused to detect polarization of electromagnetic wave mode mismatch with enemy, so as to reach the purpose stealthy to enemy's acquisition radar system, with important application prospect.
Description
Technical field
The present invention relates to Stealthy reflector Antenna cover technical field, more particularly to a kind of metamaterial antenna cover.
Background technology
Frequency-selective surfaces are a kind of two-dimensionally periodic structures being made up of the chip unit or slot element of periodic arrangement,
The filtering characteristic of frequency selection is shown to electromagnetic wave propagation, that is, selects characteristic to change with the change of frequency, to some frequencies
Incident electromagnetic wave in band can all pass through, and the electromagnetic wave in other frequency bands can all be reflected.Therefore, frequency is selected
Select surface and be also referred to as spatial electromagnetic wave filter, its most important application is exactly to be used for designing mixing radome.
Frequency-selective surfaces Stealthy reflector Antenna cover belongs to the stealthy category of profile, it is necessary to by means of the geometric shape of radome, make
Obtain electromagnetic wave and be reflected to the direction for deviateing incoming wave：On the one hand so that reflection electromagnetic wave can not be received by enemy's detection radar；
On the other hand, prevent electromagnetic wave from entering radome to produce stronger scattering by antenna secondary excitation, so as to realize radar
Band it is outer stealthy.
However, frequency-selective surfaces stealth technology of the prior art, for the incident electromagnetic wave of vertical cover body or work as
During in face of multistatic sonar detection system, stealthy failure.
The content of the invention
The embodiments of the invention provide a kind of metamaterial antenna cover, the stealthy skill of frequency-selective surfaces in the prior art is solved
The problem of art is difficult to stealthy to vertical incidence electromagnetic wave or multistatic sonar system.
A kind of metamaterial antenna cover provided in an embodiment of the present invention, including：Polarized rotation metamaterial layer, honeycomb layer and
Frequency-selective surfaces layer, the polarized rotation metamaterial layer includes first medium substrate and the first structured metal layer, described first
Structured metal layer is attached to the side surface of first medium substrate one, and first structured metal layer includes multiple be uniformly arranged
Bullion block, the angle on the side of multiple bullion blocks and the first medium substrate is 45 °；The frequency selection
Superficial layer includes two second medium substrates, the second structured metal layer, the 3rd structured metal layer and the 4th structured metal layer, described
3rd structured metal layer is arranged between two second medium substrates, and the 3rd structured metal layer is orthogonal cross net
Lattice structure, second structured metal layer and the 4th structured metal layer are separately positioned on described two second medium bases
The outer surface of plate, and second structured metal layer and the 4th structured metal layer are identical and the cycle arranges by multiple sizes
Square patch constitute, and the central point of the square patch and the orthogonal cross grid central point in vertical direction
It is upper to correspond；The first medium substrate and second structured metal layer are respectively attached to the both sides table of the nest structure sheaf
Face.
Preferably, metamaterial antenna cover provided in an embodiment of the present invention, the first medium substrate is FR4, described second
Medium substrate is F4B, first structured metal layer, second structured metal layer (302), the 3rd structured metal layer and
4th structured metal layer is metallic copper.
Preferably, metamaterial antenna cover provided in an embodiment of the present invention, the honeycomb layer is aramid fiber paper honeycomb.
Preferably, metamaterial antenna cover provided in an embodiment of the present invention, the thickness of the first medium substrate is
0.018mm, the width of the bullion block is 1.8mm, and length is 14mm, the pole of rotation where each bullion block
The length of side for changing metamaterial unit is 12mm, and the thickness of the second medium substrate is 2mm, each square patch and described
The length of side of frequency-selective surfaces unit where orthogonal cross grid is 9mm.
Preferably, metamaterial antenna cover provided in an embodiment of the present invention, the dielectric constant of the first medium substrate is 4.3
(1-j0.025), the dielectric constant of the second medium substrate is 2.65 (1-j0.001)；It is first structured metal layer, described
The conductance of second structured metal layer, the 3rd structured metal layer and the 4th structured metal layer is 5.8 × 107S/m。
To sum up, metamaterial antenna cover provided in an embodiment of the present invention, includes the pole of metal level and medium substrate by setting
Change rotation metamaterial layer, honeycomb layer and the frequency choosing including two layer medium substrate and spaced three-layer metal structure sheaf
Superficial layer is selected, it is possible to achieve the efficient wave transparent of electromagnetic wave in frequency-selective surfaces radome working band, while can utilize
Metamaterial layer rotates the polarised direction of the reflection electromagnetic wave outside working band, i.e., horizontal polarization (vertical polarization) is changed into vertical pole
Change (horizontal polarization), cause reflection electromagnetic wave to detect polarization of electromagnetic wave mode mismatch with enemy, even if the electromagnetism of backtracking
Ripple can not be also received, so that the purpose stealthy to enemy's acquisition radar system is reached, with important application prospect.
Brief description of the drawings
Fig. 1 is the structural representation of metamaterial antenna cover provided in an embodiment of the present invention；
Fig. 2 is the overall structure diagram of metamaterial antenna cover provided in an embodiment of the present invention；
Fig. 3 is the structural representation of the polarized rotation metamaterial layer of metamaterial antenna cover provided in an embodiment of the present invention；
Fig. 4 is the frequency-selective surfaces Rotating fields schematic diagram of metamaterial antenna cover provided in an embodiment of the present invention；
Fig. 5 is the frequency-selective surfaces and polarized rotation metamaterial unit of metamaterial antenna cover provided in an embodiment of the present invention
Simulation curve.
Embodiment
With reference to the accompanying drawing in the present invention, the technical scheme to the embodiment of the present invention carries out clear, complete description, shown
So, described embodiment is a part of embodiment of the present invention, rather than whole embodiments.Based on the implementation in the present invention
Example, the every other embodiment that those of ordinary skill in the art are obtained on the premise of creative work is not made all should
Belong to the scope of protection of the invention.
It should be understood that Meta Materials surface is the periodic arrangement on two dimensional surface by sub-wavelength structure unit, it is Meta Materials
One branch of research and development.By the regulation to Component units structure, the propagation side to reflection or transmitted electromagnetic wave can be achieved
To the regulation and control of the, characteristic such as polarization mode, communication mode, phase.In the neck such as stealthy new technology, Microwave Optics device, antenna system
There is important application prospect in domain.Super surface once propose and rapidly become academia research focus and before grind.With polarization side
The related Meta Materials surface of formula is also referred to as the super surface of polarized rotation.
For the ease of understanding and illustrating, Meta Materials day provided in an embodiment of the present invention are elaborated below by Fig. 1 to Fig. 5
Irdome.Fig. 1 show the structural representation of metamaterial antenna cover provided in an embodiment of the present invention, as shown in figure 1, the antenna house can
With including：
Polarized rotation metamaterial layer 100, honeycomb layer 200 and frequency-selective surfaces layer 300, the super material of polarized rotation
The bed of material 100 includes the structured metal layer 102 of first medium substrate 101 and first, and first structured metal layer 102 is attached to described
The side surface of first medium substrate 101 1, and first structured metal layer 102 includes multiple bullion blocks being uniformly arranged
The angle on the side of 102a, multiple bullion block 102a and the first medium substrate 101 is 45 °；The frequency selection
Superficial layer 300 includes two second medium substrates 301, the second structured metal layer 302, the 3rd structured metal layer 303 and the 4th gold medal
Belong to structure sheaf 304, the 3rd structured metal layer 303 is arranged between two second medium substrates 301, and the described 3rd
Structured metal layer 303 is orthogonal cross network, second structured metal layer 302 and the 4th structured metal layer 303
It is separately positioned on the outer surface of described two second medium substrates 301, and second structured metal layer 302 and described
4th structured metal layer 304 is by multiple sizes are identical and the square patch of cycle arrangement is constituted, and the square patch
Central point is corresponded with the central point in the vertical direction of the orthogonal cross grid；The first medium substrate 101 and institute
State the both side surface that the second structured metal layer 302 is respectively attached to the honeycomb layer 200.
Specifically, metamaterial antenna cover provided in an embodiment of the present invention, can set a medium substrate, i.e., first first
Medium substrate 101, then adheres to layer of metal stratum granulosum, i.e. the first metal layer structure on a side surface of the medium substrate
102.In practice, the metal particle layer can be multiple bullion block 102a being distributed, also, multiple bullion blocks
102a trend and the angle of first medium substrate 101 are that θ is 45 °.The i.e. above-mentioned metal structure of first medium substrate 101 and second
Layer 102 constitutes polarized rotation metamaterial layer 100.Further, it is necessary to set two medium substrates, i.e., two second medium substrates
301, then the second structured metal layer 302 is set between two second medium substrates 301.That is a second medium base wherein
Adhere to one layer of second gold medal structure on one side surface of plate 301 and belong to layer 302 so that the orthogonal thereto cross of the second structured metal layer 302
Another second medium substrate 301, is then pasted onto on second structured metal layer 302 by network.In addition, at two
Adhere to one layer of the 3rd structured metal layer 303 and the 4th structured metal layer on the other side surface of second medium substrate 301 respectively
304, and cause the 3rd structured metal layer 303 and the square paster of the 4th structured metal layer 304.Further so that the second gold medal
Belong to the orthogonal cross net center of a lattice of structure sheaf 302 and the central point of the square patch of two other structured metal layer vertical
Corresponded on direction, i.e., orthogonal cross net center of a lattice and square patch are centrally located at the same of two medium substrates 301
On one vertical line.Said structure is frequency-selective surfaces layer 300.Finally, selected in polarized rotation metamaterial layer 100 and frequency
Between superficial layer 300 set one layer of honeycomb layer 200, i.e., the structured metal layer 302 of first medium substrate 101 and second it
Between set one layer of honeycomb layer 200.
It is preferred that, in order that the stealth effect for obtaining the metamaterial antenna cover is more preferably, first medium substrate 101 can be set
For glass-epoxy (FR4), second medium substrate 301 is set to polytetrafluoroethylene (PTFE) (F4B), by the first metal structure
The 102, second structured metal layer 302 of layer, the 3rd structured metal layer 303 and the 4th structured metal layer 304 are set to metallic copper.
Further, honeycomb layer 200 uses aramid fiber paper honeycomb, on the one hand mitigates weight, on the other hand can strengthen machinery
Intensity.
It should be understood that the material of said structure is one kind of the embodiment of the present invention, it is specifically chosen to be determined according to actual conditions,
The present invention is without limitation.
It should also be understood that the metamaterial antenna cover that above-mentioned material is constituted, the dielectric constant of first medium substrate 101 is 4.3 (1-
J0.025), the dielectric constant of second medium substrate 301 is 2.65 (1-j0.001)；First structured metal layer 102, the second metal
The conductance of structure sheaf 302, the 3rd structured metal layer 303 and the 4th structured metal layer 304 is 5.8 × 107S/m。
Being illustrated in figure 2 polarized rotation metamaterial antenna cover overall structure diagram provided in an embodiment of the present invention can by figure
Know, metamaterial antenna cover provided in an embodiment of the present invention is multiple periodic cells by polarized rotation metamaterial layer 100, frequency
The multiple periodic cells and honeycomb layer 200 of superficial layer 300 are selected to constitute.Optionally, as shown in Figure 3 polarized rotation surpasses
Knowable to material layer structures schematic diagram, the length of side d of the rotary polarization metamaterial unit where each bullion block 102a1For
12mm, and the thickness of the first medium substrate 101 is 0.018mm, the width w of the bullion block 102a1For 1.8mm,
Length a is 14mm.Frequency-selective surfaces Rotating fields schematic diagram as shown in Figure 4 understands, each square patch and described
The length of side d of frequency-selective surfaces unit where orthogonal cross grid2(the length a of i.e. orthogonal cross grid2) it is 9mm, it is and orthogonal
The ledge width w of cross grid2For 3mm, the thickness of the second medium substrate 301 is 2mm.To sum up, polarized rotation surpasses
Material cell cycle d1For 12mm, and frequency-selective surfaces unit cycle d2For 9mm.Therefore, it is arranged in honeycomb layer by above-mentioned
The array structure of the periodic cells of 200 both sides, so that it is determined that the unit cycle length of side of the metamaterial antenna cover after design is
36mm, and choose the cellular thickness 6.5mm of aramid paper.
It should be understood that said structure size is exemplary illustration, specific size is determined according to actual conditions, and the present invention is to this
It is not limited.
Fig. 5 show the simulation curve of metamaterial antenna cover provided in an embodiment of the present invention.As seen from the figure, the antenna house exists
In 4.0-4.9GHz broad frequency ranges, Insertion Loss is less than 1dB, while ensureing in high frequency 7~17.5GHz frequency range internal reflection electromagnetic waves
Polarization mode changes, it is achieved thereby that high frequency is stealthy.
In summary, metamaterial antenna cover provided in an embodiment of the present invention, includes metal level and medium substrate by setting
Polarized rotation metamaterial layer, honeycomb layer and the frequency including two layer medium substrate and spaced three-layer metal structure sheaf
Rate selects superficial layer, it is possible to achieve the efficient wave transparent of electromagnetic wave in frequency-selective surfaces radome working band, while can be with
The polarised direction of the reflection electromagnetic wave outside working band is rotated using metamaterial layer, i.e., horizontal polarization (vertical polarization) is changed into vertical
Straight polarization (horizontal polarization), causes reflection electromagnetic wave to detect polarization of electromagnetic wave mode mismatch with enemy, even if backtracking
Electromagnetic wave can not be also received, so that the purpose stealthy to enemy's acquisition radar system is reached, with important application prospect.
Disclosed above is only several specific embodiments of the present invention, and still, the embodiment of the present invention is not limited to this, is appointed
What what those skilled in the art can think change should all fall into protection scope of the present invention.
Claims (5)
1. a kind of metamaterial antenna cover, it is characterised in that including：Polarized rotation metamaterial layer (100), honeycomb layer (200)
And frequency-selective surfaces layer (300), the polarized rotation metamaterial layer (100) include first medium substrate (101) and the first gold medal
Belong to structure sheaf (102), first structured metal layer (102) is attached to the side surface of first medium substrate (101) one, and institute
Stating the first structured metal layer (102) includes multiple bullion blocks (102a) being uniformly arranged, multiple bullion blocks
(102a) and the angle on the side of the first medium substrate (101) are 45 °；The frequency-selective surfaces layer (300) includes two
Second medium substrate (301), the second structured metal layer (302), the 3rd structured metal layer (303) and the 4th structured metal layer
(304), the 3rd structured metal layer (303) is arranged between two second medium substrates (301), and the 3rd gold medal
It is orthogonal cross network, second structured metal layer (302) and the 4th structured metal layer to belong to structure sheaf (303)
(303) outer surface of two second medium substrates (301), and second structured metal layer (302) are separately positioned on
And the 4th structured metal layer (304) is made up of the square patch that multiple sizes are identical and the cycle arranges, and the pros
The central point of shape paster is corresponded with the central point in the vertical direction of the orthogonal cross grid；The first medium substrate
And second structured metal layer (302) is respectively attached to the both side surface of the honeycomb layer (200) (101).
2. metamaterial antenna cover according to claim 1, it is characterised in that the first medium substrate (101) is epoxy
Glass mat FR4, the second medium substrate (301) is polytetrafluoroethylene (PTFE) F4B, first structured metal layer (102), institute
The second structured metal layer (302), the 3rd structured metal layer (303) and the 4th structured metal layer (304) are stated for metal
Copper.
3. metamaterial antenna cover according to claim 1, it is characterised in that the honeycomb layer (200) is aramid paper
Honeycomb.
4. the metamaterial antenna cover according to claim any one of 1-3, it is characterised in that the first medium substrate
(101) thickness is 0.018mm, and the width of the bullion block (102a) is 1.8mm, and length is 14mm, each bar
The length of side of rotary polarization metamaterial unit where shape metal derby (102a) is 12mm；The thickness of the second medium substrate (301)
Spend for 2mm, the length of side of the frequency-selective surfaces unit where each square patch and the orthogonal cross grid is
9mm。
5. metamaterial antenna cover according to claim 4, it is characterised in that the dielectric of the first medium substrate (101)
Constant is 4.3 (1-j0.025), and the dielectric constant of the second medium substrate (301) is 2.65 (1-j0.001)；Described first
Structured metal layer (102), second structured metal layer (302), the 3rd structured metal layer (303) and the 4th metal
The conductance of structure sheaf (304) is 5.8 × 107S/m。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710472921.1A CN107240778B (en) | 2017-06-21 | 2017-06-21 | Metamaterial antenna housing |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710472921.1A CN107240778B (en) | 2017-06-21 | 2017-06-21 | Metamaterial antenna housing |
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| Publication Number | Publication Date |
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| CN107240778A true CN107240778A (en) | 2017-10-10 |
| CN107240778B CN107240778B (en) | 2020-05-12 |
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ID=59986574
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| CN201710472921.1A Expired - Fee Related CN107240778B (en) | 2017-06-21 | 2017-06-21 | Metamaterial antenna housing |
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Cited By (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107275798A (en) * | 2017-06-22 | 2017-10-20 | 中国人民解放军空军工程大学 | Super surface lens antenna |
| CN107706526A (en) * | 2017-10-19 | 2018-02-16 | 西南交通大学 | High power flush type polarization conversion antenna house |
| CN107946763A (en) * | 2017-12-26 | 2018-04-20 | 航天科工武汉磁电有限责任公司 | One kind inhales ripple wave transparent integration metamaterial antenna cover and its application |
| CN108061929A (en) * | 2017-12-13 | 2018-05-22 | 中国科学院光电技术研究所 | Infrared, laser and microwave low-detectability compatible sub-wavelength structural material |
| CN108847530A (en) * | 2018-06-22 | 2018-11-20 | 西安电子科技大学 | A kind of triangular pyramid has the super skin antenna cover of beam alignmetn function |
| CN109004369A (en) * | 2018-06-28 | 2018-12-14 | 中国人民解放军空军工程大学 | Reflection-type polarization based on frequency-selective surfaces backboard rotates super surface |
| CN109638448A (en) * | 2018-12-12 | 2019-04-16 | 航天科工武汉磁电有限责任公司 | A kind of metamaterial antenna cover and antenna system |
| CN110265780A (en) * | 2019-06-20 | 2019-09-20 | 南京航空航天大学 | A kind of Stealthy reflector Antenna cover of intermediate frequency broadband wave transparent, high and low frequency polarization conversion |
| CN111086301A (en) * | 2019-12-13 | 2020-05-01 | 浙江工业大学 | Superstructure honeycomb composite wave-absorbing material |
| CN112290224A (en) * | 2020-10-26 | 2021-01-29 | 中国人民解放军空军工程大学 | Angle response adjustable frequency selective surface |
| CN112467393A (en) * | 2020-12-08 | 2021-03-09 | 西安电子科技大学 | Dual-band RCS reduction super surface based on FSS and polarization rotation super surface |
| CN112636000A (en) * | 2020-12-08 | 2021-04-09 | 中国人民解放军空军工程大学 | Ultra-composite material with infrared low emission |
| CN112952378A (en) * | 2021-01-29 | 2021-06-11 | 西安交通大学 | Decoupling structure with polarization conversion characteristic for reducing cross polarization coupling |
| CN112968283A (en) * | 2021-02-05 | 2021-06-15 | 北方长龙新材料技术股份有限公司 | Radome with wave-transmitting, stealth and bulletproof functions and forming process thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107275798A (en) * | 2017-06-22 | 2017-10-20 | 中国人民解放军空军工程大学 | Super surface lens antenna |
| CN107706526A (en) * | 2017-10-19 | 2018-02-16 | 西南交通大学 | High power flush type polarization conversion antenna house |
| CN107706526B (en) * | 2017-10-19 | 2024-04-05 | 西南交通大学 | High-power embedded polarization conversion radome |
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