CN203300806U - Interferometer direction finding antenna - Google Patents
Interferometer direction finding antenna Download PDFInfo
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- CN203300806U CN203300806U CN2013202684942U CN201320268494U CN203300806U CN 203300806 U CN203300806 U CN 203300806U CN 2013202684942 U CN2013202684942 U CN 2013202684942U CN 201320268494 U CN201320268494 U CN 201320268494U CN 203300806 U CN203300806 U CN 203300806U
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Abstract
The utility model relates to an interferometer direction finding antenna. The antenna comprises a radome. An antenna array formed by antenna oscillators which are arranged according to a certain sequence is arranged in the radome. The antenna array comprises a double-layer vertical polarized antenna array and a double-layer horizontally-polarized antenna array. An upper portion of the double-layer vertical polarized antenna array is a high-end vertical polarization antenna vibrator and a lower portion is a low-end vertical polarization antenna vibrator. An upper portion of the double-layer horizontally-polarized antenna array is a high-end horizontally-polarized antenna vibrator and a lower portion is a low-end horizontally-polarized antenna vibrator. A radio frequency matrix switch is installed on a bottom of the direction finding antenna. The antenna of the utility model has the advantages that because the radio frequency matrix switch is installed on the bottom of the direction finding antenna, switching control to each group and each path of radio frequency receiving signals can be realized; the two vertical polarized arrays of the direction finding antenna are not in a same plane, but the horizontally-polarized arrays and a vertical polarized circular array are in a same plane so that the direction finding antenna possesses high direction finding accuracy and a strong anti-interference capability.
Description
Technical field
The utility model relates to a kind of radio direction finding apparatus, refers to especially a kind of interferometer direction finding antenna.
Background technology
Correlation interferometer direction-finding is: in direction-finder antenna array operating frequency range and on 360 degree directions, each is set up an office according to certain rules, simultaneously on frequency interval and interval, orientation, set up sample cluster, when direction finding, measured data and sample cluster are carried out related operation and interpolation processing, to obtain incoming wave sense, thereby realize direction-finding station.Each compositing factor of direction-finder antenna is different, and the direction finding result is different; Such as: the material that the number of arrays of antenna, reception signal antenna adopt, indoor design etc.Tradition is most of adopt passive receive mode, the design defect of inner reception antenna etc. cause the accuracy of direction-finder antenna and antijamming capability lower.
The utility model content
The purpose of this utility model is to provide the interferometer direction finding antenna that a kind of accuracy is high, antijamming capability is high.
The technical solution of the utility model is achieved in that a kind of interferometer direction finding antenna, comprise radome, be provided with by antenna oscillator and arrange in certain sequence the antenna array that forms in this radome, described antenna array comprises Double-layer vertical-polarization antenna battle array and double-layer horizontal poliarizing antenna battle array; The top of described Double-layer vertical-polarization antenna battle array is high-end vertical polarized antenna oscillator, bottom is low side vertical polarized antenna oscillator, described double-layer horizontal poliarizing antenna battle array top is high-end level poliarizing antenna oscillator, bottom is low side horizontally-polarized antenna oscillator, in the direction-finder antenna bottom, the radio frequency matrix switch is installed.
Further, described high-end vertical polarized antenna oscillator, low side vertical polarized antenna oscillator, high-end level poliarizing antenna oscillator, low side horizontally-polarized antenna oscillator is 9.
Further, also be included as the power module of radio frequency matrix switch power supply.
Further, be provided with antenna base bottom described radome.
Further, be provided with fixed support bottom described radio frequency matrix switch.
Further, described antenna oscillator is the omnidirectional antenna oscillator.
Compared with prior art, the beneficial effects of the utility model are: after adopting said structure,, because the direction-finder antenna bottom is equipped with the radio frequency matrix switch, can realize the switching controls to each Zu,Ge road radio frequency receiving signal; The array of two perpendicular polarizations of direction-finder antenna is not at grade, and the circle battle array of the array of horizontal polarization and perpendicular polarization at grade, and antenna a period of time is the omnidirectional antenna oscillator, so direction-finder antenna of the present utility model has very high direction finding accuracy and very strong antijamming capability.
Description of drawings
in order to be illustrated more clearly in the utility model embodiment technical scheme, in below describing embodiment, the accompanying drawing of required use is briefly described, apparently, accompanying drawing in the following describes is only that this practicality is in order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, below will the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described, apparently, accompanying drawing in the following describes is only embodiment more of the present utility model, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is front view of the present utility model;
Fig. 2 be in Fig. 1 A-A to sectional view;
Fig. 3 is the utility model internal structure schematic diagram.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is only the utility model part embodiment, rather than whole embodiment.Based on the embodiment in the utility model, those of ordinary skills are not making under the creative work prerequisite the every other embodiment that obtains, and all belong to the scope of the utility model protection.
A kind of interferometer direction finding antenna as depicted in figs. 1 and 2, comprise radome 1, is provided with by antenna oscillator and arranges in certain sequence the antenna array that forms in this radome 1, and radome 1 bottom is provided with antenna base 8, is beneficial to the installation of antenna; This antenna oscillator is combined and is formed active antenna by printed board and aluminium bar, makes the gain of antenna higher, and radome 1 has performance waterproof and dampproof and sealing.
As shown in Figure 3, described antenna array comprises Double-layer vertical-polarization antenna battle array and double-layer horizontal poliarizing antenna battle array; The top of described Double-layer vertical-polarization antenna battle array is high-end vertical polarized antenna oscillator 4, and bottom is low side vertical polarized antenna oscillator 2, and described double-layer horizontal poliarizing antenna battle array top is high-end level poliarizing antenna oscillator 5, and bottom is low side horizontally-polarized antenna oscillator 3; Described high-end vertical polarized antenna oscillator 4, low side vertical polarized antenna oscillator 2, high-end level poliarizing antenna oscillator 5, low side horizontally-polarized antenna oscillator 3 is 9, namely be evenly distributed with 9 antenna oscillators on same cross circular section, the array of two perpendicular polarizations of direction-finder antenna is not at grade, and the circle battle array of the array of horizontal polarization and perpendicular polarization at grade, makes direction-finder antenna have very high direction finding accuracy and very strong antijamming capability.
In order to realize omnidirectional's monitoring, antenna oscillator need adopt the omnidirectional antenna oscillator.During spectrum monitoring,, by the antenna oscillator that radio frequency matrix switch 7 is selected in direction estimation antenna array, monitor reception.Each radio frequency matrix switch 7 is controlled by the Transistor-Transistor Logic level of each parallel port circuit of monitoring and direction-finding terminal unit.
In the direction-finder antenna bottom, radio frequency matrix switch 7 is installed, realizes the switching controls to each Zu Hege road radio frequency receiving signal; Radio frequency matrix switch 7 bottoms are provided with fixed support 6, and fixed support radio frequency matrix switch 7 prevents that radio frequency matrix switch 7 from coming off.
Also be included as the power module of radio frequency matrix switch 7 power supplies, power module is the power devices such as radio frequency matrix switch 7 of direction-finder antenna.In order to reduce the complexity of antenna array, reduce simultaneously the transmission voltage loss of antenna cables, taking is provided+24VDC and the method for being carried out DC/DC conversion by antenna system by radio frequency in car and receiving element.Power module namely be used for realizing from+24VDC be converted to+5 ,-5V ,+the 12V function.The power module input voltage can adapt to supply voltage and fluctuate in 18V～32V scope.
Direction finding principle of the present utility model is: the incoming wave signal of the antenna oscillator induction on direction-finder antenna is through radio-frequency (RF) switch by certain compound mode, and the induced signal of at every turn selecting and recommending two antenna oscillators amplifies right hand input receiver input; Measure the phase difference of these two signals in receiver, can measure in such a way the phase difference of induced signal of those two antenna oscillators of the compound mode that we need.Then carry out related operation, thereby draw arrival bearing.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all within spirit of the present utility model and principle, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection range of the present utility model.
Claims (6)
1. an interferometer direction finding antenna, comprise radome (1), is provided with by antenna oscillator and arranges in certain sequence the antenna array that forms in this radome (1), it is characterized in that: described antenna array comprises Double-layer vertical-polarization antenna battle array and double-layer horizontal poliarizing antenna battle array; The top of described Double-layer vertical-polarization antenna battle array is high-end vertical polarized antenna oscillator (4), bottom is low side vertical polarized antenna oscillator (2), described double-layer horizontal poliarizing antenna battle array top is high-end level poliarizing antenna oscillator (5), bottom is low side horizontally-polarized antenna oscillator (3), in the direction-finder antenna bottom, radio frequency matrix switch (7) is installed.
2. a kind of interferometer direction finding antenna according to claim 1, it is characterized in that: described high-end vertical polarized antenna oscillator (4), low side vertical polarized antenna oscillator (2), high-end level poliarizing antenna oscillator (5), low side horizontally-polarized antenna oscillator (3) is 9.
3. a kind of interferometer direction finding antenna according to claim 1, is characterized in that: the power module that also is included as radio frequency matrix switch (7) power supply.
4. a kind of interferometer direction finding antenna according to claim 1, is characterized in that: be provided with antenna base (8) bottom described radome (1).
5. a kind of interferometer direction finding antenna according to claim 1, is characterized in that: be provided with fixed support (6) bottom described radio frequency matrix switch (7).
6. a kind of interferometer direction finding antenna according to claim 1, it is characterized in that: described antenna oscillator is the omnidirectional antenna oscillator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013202684942U CN203300806U (en) | 2013-05-16 | 2013-05-16 | Interferometer direction finding antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013202684942U CN203300806U (en) | 2013-05-16 | 2013-05-16 | Interferometer direction finding antenna |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203300806U true CN203300806U (en) | 2013-11-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013202684942U Expired - Fee Related CN203300806U (en) | 2013-05-16 | 2013-05-16 | Interferometer direction finding antenna |
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| CN (1) | CN203300806U (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105223539A (en) * | 2015-10-23 | 2016-01-06 | 成都九华圆通科技发展有限公司 | A kind of lift-off interferometer direction finding system |
| CN106532252A (en) * | 2017-01-12 | 2017-03-22 | 成都天锐通科技有限公司 | Horizontally-polarized omnidirectional antenna |
| CN106558750A (en) * | 2017-01-12 | 2017-04-05 | 成都天锐通科技有限公司 | Moving type direction-finder antenna |
| CN106785375A (en) * | 2017-01-12 | 2017-05-31 | 成都天锐通科技有限公司 | Circular polarisation omnidirectional antenna |
| CN106970362A (en) * | 2017-04-01 | 2017-07-21 | 中国电子科技集团公司第三十八研究所 | A kind of double antenna is than phase angle measurement multivalue effect correcting device |
| CN108376823A (en) * | 2018-03-26 | 2018-08-07 | 广东通宇通讯股份有限公司 | A kind of antenna water-proof ventilated device for supporting antenna multipolarization to install |
| WO2019200838A1 (en) * | 2018-04-16 | 2019-10-24 | 上海飞来信息科技有限公司 | Omnidirectional antenna system and drone monitoring device |
| CN112072270A (en) * | 2020-07-20 | 2020-12-11 | 成都大公博创信息技术有限公司 | Integrated rapid deployment monitoring direction-finding equipment |
-
2013
- 2013-05-16 CN CN2013202684942U patent/CN203300806U/en not_active Expired - Fee Related
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105223539A (en) * | 2015-10-23 | 2016-01-06 | 成都九华圆通科技发展有限公司 | A kind of lift-off interferometer direction finding system |
| CN106532252A (en) * | 2017-01-12 | 2017-03-22 | 成都天锐通科技有限公司 | Horizontally-polarized omnidirectional antenna |
| CN106558750A (en) * | 2017-01-12 | 2017-04-05 | 成都天锐通科技有限公司 | Moving type direction-finder antenna |
| CN106785375A (en) * | 2017-01-12 | 2017-05-31 | 成都天锐通科技有限公司 | Circular polarisation omnidirectional antenna |
| CN106558750B (en) * | 2017-01-12 | 2023-05-26 | 成都天锐通科技有限公司 | Movable direction-finding antenna |
| CN106970362A (en) * | 2017-04-01 | 2017-07-21 | 中国电子科技集团公司第三十八研究所 | A kind of double antenna is than phase angle measurement multivalue effect correcting device |
| CN106970362B (en) * | 2017-04-01 | 2019-07-30 | 中国电子科技集团公司第三十八研究所 | A kind of double antenna is than phase angle measurement multivalue effect correcting device |
| CN108376823A (en) * | 2018-03-26 | 2018-08-07 | 广东通宇通讯股份有限公司 | A kind of antenna water-proof ventilated device for supporting antenna multipolarization to install |
| CN108376823B (en) * | 2018-03-26 | 2023-10-13 | 广东通宇通讯股份有限公司 | Waterproof and breathable antenna device supporting multi-polarization installation of antenna |
| WO2019200838A1 (en) * | 2018-04-16 | 2019-10-24 | 上海飞来信息科技有限公司 | Omnidirectional antenna system and drone monitoring device |
| CN112072270A (en) * | 2020-07-20 | 2020-12-11 | 成都大公博创信息技术有限公司 | Integrated rapid deployment monitoring direction-finding equipment |
| CN112072270B (en) * | 2020-07-20 | 2022-11-04 | 成都大公博创信息技术有限公司 | Integrated rapid deployment monitoring direction-finding equipment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131120 Termination date: 20170516 |