CN109509992A - A kind of passive wideband radio frequency direction-finder antenna - Google Patents
A kind of passive wideband radio frequency direction-finder antenna Download PDFInfo
- Publication number
- CN109509992A CN109509992A CN201811635223.XA CN201811635223A CN109509992A CN 109509992 A CN109509992 A CN 109509992A CN 201811635223 A CN201811635223 A CN 201811635223A CN 109509992 A CN109509992 A CN 109509992A
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- Prior art keywords
- electromagnetic horn
- antenna
- band electromagnetic
- wave band
- radio frequency
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Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q21/00—Antenna arrays or systems
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S3/00—Direction-finders for determining the direction from which infrasonic, sonic, ultrasonic, or electromagnetic waves, or particle emission, not having a directional significance, are being received
- G01S3/02—Direction-finders for determining the direction from which infrasonic, sonic, ultrasonic, or electromagnetic waves, or particle emission, not having a directional significance, are being received using radio waves
- G01S3/14—Systems for determining direction or deviation from predetermined direction
- G01S3/46—Systems for determining direction or deviation from predetermined direction using antennas spaced apart and measuring phase or time difference between signals therefrom, i.e. path-difference systems
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q21/00—Antenna arrays or systems
- H01Q21/06—Arrays of individually energised antenna units similarly polarised and spaced apart
- H01Q21/061—Two dimensional planar arrays
- H01Q21/064—Two dimensional planar arrays using horn or slot aerials
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q21/00—Antenna arrays or systems
- H01Q21/06—Arrays of individually energised antenna units similarly polarised and spaced apart
- H01Q21/20—Arrays of individually energised antenna units similarly polarised and spaced apart the units being spaced along or adjacent to a curvilinear path
- H01Q21/205—Arrays of individually energised antenna units similarly polarised and spaced apart the units being spaced along or adjacent to a curvilinear path providing an omnidirectional coverage
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- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Waveguide Aerials (AREA)
Abstract
The invention discloses a kind of passive wideband radio frequency direction-finder antennas, including X-band electromagnetic horn array, Ku wave band electromagnetic horn array, omnidirectional antenna；Omnidirectional antenna, X-band electromagnetic horn array and Ku wave band electromagnetic horn array are from top to bottom spaced setting；X-band electromagnetic horn array includes the multiple X-band electromagnetic horns being arranged in same level, and multiple rounded arrangements of X-band electromagnetic horn；Ku wave band electromagnetic horn array includes the multiple Ku wave band electromagnetic horns being arranged in same level, and multiple rounded arrangements of Ku wave band electromagnetic horn；The center of circle of Ku wave band electromagnetic horn array, the center of circle of X-band electromagnetic horn array and omnidirectional antenna are located in same vertical straight line；The RF signal output of omnidirectional antenna, each X-band electromagnetic horn and each Ku wave band electromagnetic horn passes through radio-frequency front-end and is connected with external communication device；The present invention can realize the reception of broadband rf signal by simple structure and reasonable layout.
Description
[technical field]
The invention belongs to passive microwave antenna technical field more particularly to a kind of passive wideband radio frequency direction-finder antennas.
[background technique]
Effect and status of the electronic countermeasure in modern war are higher and higher, crucial skill of the passive direction finding as electronic reconnaissance
Art can impend and alert and indicate threat direction, and the sorting and identification of auxiliary radiation source signal guide the disturber of jammer
To positioning of the realization to radiation source.
Current passive direction finding antenna is difficult to realize simultaneously higher due to the problems such as mounting structure is complicated, layout is unreasonable
Direction finding precision and wider frequency bandwidth.
[summary of the invention]
The object of the present invention is to provide a kind of passive wideband radio frequency direction-finder antennas, to pass through simple structure and reasonable cloth
Office realizes the reception of broadband rf signal.
The invention adopts the following technical scheme: a kind of passive wideband radio frequency direction-finder antenna, including for receive 8~
The X-band electromagnetic horn array of 12.5GHz radiofrequency signal, the Ku wave band loudspeaker for receiving 11.5~18.0GHz radiofrequency signal
Aerial array, for receiving omnidirectional antenna of 8~18.0GHz radiofrequency signal as reference signal.
Omnidirectional antenna, X-band electromagnetic horn array and Ku wave band electromagnetic horn array are from top to bottom spaced setting；X-band
Electromagnetic horn array includes the multiple X-band electromagnetic horns being arranged in same level, and multiple X-band electromagnetic horns are in circle
Shape arrangement；Ku wave band electromagnetic horn array includes the multiple Ku wave band electromagnetic horns being arranged in same level, and multiple Ku
The rounded arrangement of wave band electromagnetic horn；
The center of circle of Ku wave band electromagnetic horn array, the center of circle of X-band electromagnetic horn array and omnidirectional antenna are located at same
In vertical straight line；
The RF signal output of omnidirectional antenna, each X-band electromagnetic horn and each Ku wave band electromagnetic horn passes through
Radio-frequency front-end is connected with external communication device.
Further, it is formed between the adjacent X-band electromagnetic horn of any two and the center of circle of X-band electromagnetic horn array
Angle be equal；
The angle formed between the adjacent Ku wave band electromagnetic horn of any two and the center of circle of Ku wave band electromagnetic horn array
It is equal.
Further, each X-band electromagnetic horn and Ku wave band electromagnetic horn are installed in the side of electromagnetic horn bracket
On, electromagnetic horn bracket is prism-frustum-shaped.
Further, each X-band electromagnetic horn and Ku wave band electromagnetic horn polarization mode are 45 ° of inclined polarizations.
Further, it is connected between the top surface and omnidirectional antenna of electromagnetic horn bracket by omnidirectional antenna bracket.
Further, electromagnetic horn cradle bottom surface is mounted in mounting seat by stop sleeve, antenna holder and installation
Accommodation space is formed between pedestal, radio-frequency front-end is installed in accommodation space.
Further, electromagnetic horn cradle top surface extend outwardly setting there are two when unite antenna holder, antenna of uniting when each
Unite when being mounted on frame antenna, two whens antenna holder of uniting be symmetrical arranged with the top surface center of circle of electromagnetic horn bracket.
Further, U-type groove is offered on mounting seat edge, mounting seat is equipped with antenna house, antenna by U-type groove
It is sealed between cover and U-type groove by rubber seal rope.
Further, mounting seat edge is provided with handle.
Further, through-hole is offered in mounting seat, through-hole is for the biography between radio-frequency front-end and external communications equipment
Defeated line passes through.
The beneficial effects of the present invention are: the present invention passes through X-band electromagnetic horn array and the Ku wave band loudspeaker of reasonably arranging
Aerial array realizes and receives in the wide-band range radio frequency signal of full X-band and full Ku wave band that arranging by reasonable angle can
To realize 360 ° of bearing zone orientation, the wide-angle of 40 ° of pitching, high-precision reception.
[Detailed description of the invention]
Fig. 1 is a kind of structural schematic diagram of passive wideband radio frequency direction-finder antenna of the present invention；
Wherein: 1. antenna houses；2. omnidirectional antenna；3. omnidirectional antenna bracket；4. electromagnetic horn bracket；5. when unite antenna；6.
Mounting seat；7. stop sleeve；8. radio-frequency front-end；9. handle；10.X wave band electromagnetic horn；11.Ku wave band electromagnetic horn.
[specific embodiment]
The following describes the present invention in detail with reference to the accompanying drawings and specific embodiments.
The invention discloses a kind of passive wideband radio frequency direction-finder antennas, as shown in Figure 1, including for receiving 8~12.5GHz
The X-band electromagnetic horn array of radiofrequency signal, the Ku wave band horn array for receiving 11.5~18.0GHz radiofrequency signal
It arranges, for receiving omnidirectional antenna 2 of 8~18.0GHz radiofrequency signal as reference signal.By X-band electromagnetic horn array and
The reception of full X-band and full Ku waveband radio frequency signal may be implemented in Ku wave band electromagnetic horn array, and is received by omnidirectional antenna 2
The radiofrequency signal of X-band and Ku wave band, and the reference signal as post-processing.
In order to make to interfere minimum, omnidirectional antenna 2, Ku wave band electromagnetic horn array and X-band loudspeaker day between each antenna
Linear array is from top to bottom spaced setting.
X-band electromagnetic horn array includes the multiple X-band electromagnetic horns 10 being arranged in same level, and multiple X
The full airspace direction finding within the scope of 360 ° of level of X-band electromagnetic horn array may be implemented in the rounded arrangement of wave band electromagnetic horn 10
Ability, the angle formed between the adjacent X-band electromagnetic horn 10 of any two and the center of circle of X-band electromagnetic horn array are homogeneous
Deng.In the present embodiment, the quantity of the X-band electromagnetic horn 10 of X-band electromagnetic horn array is 9, and model is selected
BJ100, the half-power beam width of each X-band electromagnetic horn 10 are 40 °, and adjacent 3 are set as one group, carry out radiofrequency signal
It receives, is specifically realized by the switching in radio-frequency front-end.Only 3 continuously arranged X-band loudspeakers in each aerial array
Antenna 10 works at the same time, and antenna is located in the middle in 3 X-band electromagnetic horns 10 and participates in amplitude-comprised direction-finding, while also being surveyed
Frequency works, and the switching of each 10 working condition of X-band electromagnetic horn is realized by the antenna handover network in radio-frequency front-end.
Ku wave band electromagnetic horn array includes the multiple Ku wave band electromagnetic horns 11 being arranged in same level, and multiple
The rounded arrangement of Ku wave band electromagnetic horn 11, the full airspace that may be implemented within the scope of 360 ° of level of Ku wave band electromagnetic horn array are surveyed
To ability；The angle formed between the adjacent Ku wave band electromagnetic horn 11 of any two and the center of circle of Ku wave band electromagnetic horn array
It is equal.In the present embodiment, the quantity of the Ku wave band electromagnetic horn 11 of Ku wave band electromagnetic horn array is 9, model choosing
With BJ100, the half-power beam width of each X-band electromagnetic horn 11 is 40 °, and adjacent 3 are set as one group, carries out radiofrequency signal
Reception, specifically realized by the switching in radio-frequency front-end.Only 3 continuously arranged Ku wave bands in each aerial array
Electromagnetic horn 11 works at the same time, and antenna is located in the middle in 3 Ku wave band electromagnetic horns 11 and participates in amplitude-comprised direction-finding, while also being carried out
Frequency measurement work, the switching of each 11 working condition of Ku wave band electromagnetic horn are realized by the switch matrix in radio-frequency front-end.
The switching of specific X-band electromagnetic horn 10 and Ku wave band electromagnetic horn 11 is also by opening in radio-frequency front-end 8
It closes matrix to realize, and the pyramidal horn antenna all used.
Each X-band electromagnetic horn 10 and Ku wave band electromagnetic horn 11 are installed on the side of electromagnetic horn bracket 4, loudspeaker
Antenna holder 4 is prism-frustum-shaped.In the present embodiment, nine terrace with edges are selected, an X-band loudspeaker day is installed respectively on each terrace with edge
Line 10 and Ku wave band electromagnetic horn 11, in this way, can satisfy each X-band electromagnetic horn 10 and the equal energy of Ku wave band electromagnetic horn 11
The region of 40 ° of covering.
The center of circle, the center of circle of Ku wave band electromagnetic horn array and the axle center of omnidirectional antenna 2 of X-band electromagnetic horn array are located at
In same vertical straight line, to guarantee omnidirectional antenna 2 as reference signal.
The RF signal output of omnidirectional antenna 2, each X-band electromagnetic horn 10 and each Ku wave band electromagnetic horn 11 is equal
Radio-frequency front-end 8 is connected by radio-frequency cable, and then is connected with external communication device, it is received to be provided for external communication device
Signal makes external communication device calculate and finally obtain the orientation of target signal source.
Radio-frequency front-end 8 includes RF switch control module, self-test control module, channel selecting control module, state letter
Number feedback module and power supply module.Radio-frequency front-end 8 uses SMA interface, X-band electromagnetic horn array and Ku wave band electromagnetic horn
The output signal of array is linked into radio-frequency front-end 8 by coaxial radio frequency cable, selects to receive by the level control of radio-frequency front-end
The signal of different electromagnetic horns.
The function of omnidirectional antenna 2 in systems is to provide the reference data of minor lobe consistency in frequency measurement and direction finding process, entirely
Realize that frequency measurement function is not to use simultaneously to antenna 2 and X-band electromagnetic horn array or Ku wave band electromagnetic horn array, Working mould
Formula is omnidirectional's frequency measurement or orientation frequency measurement, and the selection of frequency measurement mode is by the antenna handover network in radio-frequency front-end 8 according to system
Demand executes.Another function of omnidirectional antenna 2 provides minor lobe for direction finding process and inhibits reference data, by by direction finding loudspeaker day
Line receives the comparison of signal and omnidirectional antenna signal and deletes choosing, realizes X-band electromagnetic horn array or Ku wave band horn array
The minor lobe of each electromagnetic horn inhibits function in column.
It is connected between the top surface and omnidirectional antenna 2 of electromagnetic horn bracket 4 by omnidirectional antenna bracket 3, realizes omnidirectional antenna 2
360 ° of covering level noiseless, and the polarization mode of omnidirectional antenna 2, X-band electromagnetic horn 10 and Ku wave band electromagnetic horn 11 is
45 ° of inclined polarizations, to guarantee that omnidirectional antenna 2 can receive in the form of the plans such as horizontal, vertical, left-hand circular polarization and right-handed circular polarization
Space Microwave signal.
4 top surface of electromagnetic horn bracket extend outwardly setting there are two when unite antenna holder, pacify on antenna holder of uniting when each
Equipped with when unite antenna 5, antenna holder of uniting at two is symmetrical arranged with the top surface center of circle of electromagnetic horn bracket 4, to unite when guaranteeing two
Antenna 5 can get accurate course angle signal, local longitude and latitude signal and time signal.
4 underrun stop sleeve 7 of electromagnetic horn bracket is mounted in mounting seat 6, antenna holder 4 and mounting seat 6
Between form accommodation space, radio-frequency front-end 8 is installed in accommodation space, on the one hand saves installation space, and another party can
Heat dissipation when radio-frequency front-end 8 being facilitated to work avoids heat dissipation effect difference in the enclosed space and then influences working effect, radio-frequency front-end
8 are internally provided with switch matrix, for realizing the circuit switching of X-band electromagnetic horn 10 and Ku wave band electromagnetic horn 11, control
Switching time reaches in 100nm.
U-type groove is offered on 6 edge of mounting seat, mounting seat 6 is equipped with antenna house 1, antenna house 1 and U by U-type groove
It is sealed between type groove by rubber seal rope, sealing intensity can be increased by U-type groove.6 edge of mounting seat is provided with handle
9, it is convenient that moving for entire antenna is realized by handle 9.1 antenna house of antenna house is pasted using cavity plate, using multilayered structure,
What irdome inner side and outer side was taken is epoxy glass fiber cloth, and antenna house middle layer is using aramid fiber honeycomb paper.Antenna house 1 exists
Full X-band and full Ku wave band have the wave transparent ability not less than 90%, and antenna house 1 is connect with mounting seat 6 has 10 grades of resistance
The ability of wind, antenna house 1 have the ability of sealing, have the protective capacities of water proof and dust proof.
Through-hole is offered in mounting seat 6, transmission line of the through-hole between radio-frequency front-end 8 and external communications equipment is worn
It crosses, the interface form of radio-frequency front-end is SMA-50K, and transmission line is connected to external communications equipment from the bottom of mounting seat 6, can subtract
Few interference of the transmission line to each antenna.
In the present embodiment, the installation between antenna house 1 and mounting base 6 uses the bolt/nut assemblies of 12 M6X25
It is attached, also need to consider other two relation factor when dismantling antenna house 1: hexagonal does not deviate from screw and handle 9.Installation
Process should be noted that 1 side wall groove position of antenna house is aligned with 6 side wall of antenna base " 0 " position, remaining operates grasp opposite with disassembly process
Work.In all operating process, the standard component disassembled should all be kept properly, with anti-lost.
After removing antenna house, omnidirectional antenna 2 and its bracket are in the top of equipment.It is by the action pane on bracket
It can check whether adapter connector loosens, when needing to check or replacing connector, it is only necessary to loosen six in 4-M2.5 × 12 of top
Square screw, then the connection cables at middle part are loosened, connector holder can be removed.
After removing antenna house, X-band electromagnetic horn array and Ku wave band electromagnetic horn array and electromagnetic horn bracket 4 are in
The middle part of equipment.When needing to check or replace the parts thereof, it is only necessary to loosen the SOC.HD. cap screw of 8-M6 × 60, then loosen
With the connection cables between radio-frequency front-end 8, it can be separated with antenna base 5.
When installing X-band electromagnetic horn array and Ku wave band electromagnetic horn array and electromagnetic horn bracket 4, it is necessary first to
It is carried out in strict accordance with corresponding wiring definition and interface identifier, to prevent wrong, secondly needs use to meet SMA as defined in torque and connect
Dedicated torque spanner is installed, to prevent twisting askew or twisting into two parts connector.
After removing antenna house, radio-frequency front-end 8 is close to antenna base 6 and is installed in the lower part of equipment.When needs check or replace
When the component, it is only necessary to dismantle 2 SOC.HD. cap screw M6 × 60 of any one elliptic region, then loosen with each connection cables,
4 SOC.HD. cap screw M3 × 12 are loosened, it can horizontal extraction from the neutral gear that knockout screw generates by it.
Claims (10)
1. a kind of passive wideband radio frequency direction-finder antenna, which is characterized in that including the X wave for receiving 8~12.5GHz radiofrequency signal
Section electromagnetic horn array, the Ku wave band electromagnetic horn array for receiving 11.5~18.0GHz radiofrequency signal, for reception 8~
Omnidirectional antenna (2) of the 18.0GHz radiofrequency signal as reference signal；
The omnidirectional antenna (2), X-band electromagnetic horn array and Ku wave band electromagnetic horn array are from top to bottom spaced setting；Institute
Stating X-band electromagnetic horn array includes the multiple X-band electromagnetic horns (10) being arranged in same level, and multiple X
Wave band electromagnetic horn (10) rounded arrangement；The Ku wave band electromagnetic horn array include be arranged in it is multiple in same level
Ku wave band electromagnetic horn (11), and the rounded arrangement of multiple Ku wave band electromagnetic horns (11)；
The center of circle of the Ku wave band electromagnetic horn array, the center of circle of X-band electromagnetic horn array and omnidirectional antenna (2) are located at same
In vertical straight line；
The radiofrequency signal of the omnidirectional antenna (2), each X-band electromagnetic horn (10) and each Ku wave band electromagnetic horn (11) is defeated
Outlet passes through radio-frequency front-end (8) and is connected with external communication device.
2. a kind of passive wideband radio frequency direction-finder antenna as described in claim 1, which is characterized in that the adjacent X wave of any two
The angle formed between section electromagnetic horn (10) and the center of circle of X-band electromagnetic horn array is equal；
The angle formed between the adjacent Ku wave band electromagnetic horn (11) of any two and the center of circle of Ku wave band electromagnetic horn array
It is equal.
3. a kind of passive wideband radio frequency direction-finder antenna as claimed in claim 1 or 2, which is characterized in that each X-band loudspeaker
Antenna (10) and Ku wave band electromagnetic horn (11) are installed on the side of electromagnetic horn bracket (4), the electromagnetic horn branch
Frame (4) is prism-frustum-shaped.
4. a kind of passive wideband radio frequency direction-finder antenna as claimed in claim 1 or 2, which is characterized in that each X-band loudspeaker
Antenna (10) and Ku wave band electromagnetic horn (11) polarization mode are 45 ° of inclined polarizations.
5. a kind of passive wideband radio frequency direction-finder antenna as claimed in claim 3, which is characterized in that the electromagnetic horn bracket
(4) it is connect between top surface and the omnidirectional antenna (2) by omnidirectional antenna bracket (3).
6. a kind of passive wideband radio frequency direction-finder antenna as claimed in claim 4, which is characterized in that the electromagnetic horn bracket
(4) underrun stop sleeve (7) is mounted on mounting seat (6), shape between the antenna holder (4) and mounting seat (6)
At accommodation space, the radio-frequency front-end (8) is installed in the accommodation space.
7. such as a kind of passive wideband radio frequency direction-finder antenna described in claim 5 or 6, which is characterized in that the electromagnetic horn branch
Frame (4) top surface extend outwardly setting there are two when unite antenna holder, antenna of uniting when being mounted on antenna holder of uniting when each described
(5), antenna holder of uniting when two described is symmetrical arranged with the top surface center of circle of the electromagnetic horn bracket (4).
8. a kind of passive wideband radio frequency direction-finder antenna as claimed in claim 1 or 5, which is characterized in that the mounting seat (6)
U-type groove is offered on edge, the mounting seat (6) is equipped with antenna house (1) by U-type groove, the antenna house (1) with it is described
It is sealed between U-type groove by rubber seal rope.
9. a kind of passive wideband radio frequency direction-finder antenna as claimed in claim 7, which is characterized in that mounting seat (6) side
Edge is provided with handle (9).
10. a kind of passive wideband radio frequency direction-finder antenna as described in claim 1, which is characterized in that on the mounting seat (6)
Through-hole is offered, transmission line of the through-hole between radio-frequency front-end (8) and external communications equipment passes through.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811635223.XA CN109509992A (en) | 2018-12-29 | 2018-12-29 | A kind of passive wideband radio frequency direction-finder antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811635223.XA CN109509992A (en) | 2018-12-29 | 2018-12-29 | A kind of passive wideband radio frequency direction-finder antenna |
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| Publication Number | Publication Date |
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| CN109509992A true CN109509992A (en) | 2019-03-22 |
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ID=65755808
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| CN201811635223.XA Pending CN109509992A (en) | 2018-12-29 | 2018-12-29 | A kind of passive wideband radio frequency direction-finder antenna |
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Cited By (6)
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| CN111029794A (en) * | 2019-12-31 | 2020-04-17 | 江苏恒达微波技术开发有限公司 | Novel passive broadband radio frequency direction finding antenna |
| CN111525262A (en) * | 2020-05-26 | 2020-08-11 | 网络通信与安全紫金山实验室 | Circular multi-beam phased array antenna and communication method |
| CN112635961A (en) * | 2020-11-30 | 2021-04-09 | 安徽泊仙科技有限公司 | Modular precision-adjustable signal coverage system |
| CN113777556A (en) * | 2021-07-26 | 2021-12-10 | 中国电子科技集团公司第二十九研究所 | Radio signal three-dimensional amplitude comparison direction finding method and device |
| CN115542242A (en) * | 2022-09-23 | 2022-12-30 | 成都泰格微波技术股份有限公司 | Passive detection device |
| CN116632515A (en) * | 2023-04-18 | 2023-08-22 | 中国电子科技集团公司第五十四研究所 | Airborne shaping sleeve antenna |
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| CN111525262A (en) * | 2020-05-26 | 2020-08-11 | 网络通信与安全紫金山实验室 | Circular multi-beam phased array antenna and communication method |
| CN112635961A (en) * | 2020-11-30 | 2021-04-09 | 安徽泊仙科技有限公司 | Modular precision-adjustable signal coverage system |
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| CN113777556A (en) * | 2021-07-26 | 2021-12-10 | 中国电子科技集团公司第二十九研究所 | Radio signal three-dimensional amplitude comparison direction finding method and device |
| CN113777556B (en) * | 2021-07-26 | 2023-09-08 | 中国电子科技集团公司第二十九研究所 | Radio signal three-dimensional amplitude comparison direction finding method and device |
| CN115542242A (en) * | 2022-09-23 | 2022-12-30 | 成都泰格微波技术股份有限公司 | Passive detection device |
| CN115542242B (en) * | 2022-09-23 | 2023-10-13 | 成都泰格微波技术股份有限公司 | Passive detection device |
| CN116632515A (en) * | 2023-04-18 | 2023-08-22 | 中国电子科技集团公司第五十四研究所 | Airborne shaping sleeve antenna |
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