CN109270496A - A kind of blank pipe primary radar antenna-feeder system - Google Patents
A kind of blank pipe primary radar antenna-feeder system Download PDFInfo
- Publication number
- CN109270496A CN109270496A CN201811288304.7A CN201811288304A CN109270496A CN 109270496 A CN109270496 A CN 109270496A CN 201811288304 A CN201811288304 A CN 201811288304A CN 109270496 A CN109270496 A CN 109270496A
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- block
- reflector
- under
- aluminum alloy
- alloy framework
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- 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
- G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
- G01S7/02—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S13/00
- G01S7/03—Details of HF subsystems specially adapted therefor, e.g. common to transmitter and receiver
- G01S7/032—Constructional details for solid-state radar subsystems
-
- 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
- G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
- G01S13/88—Radar or analogous systems specially adapted for specific applications
- G01S13/91—Radar or analogous systems specially adapted for specific applications for traffic control
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- Engineering & Computer Science (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Physics & Mathematics (AREA)
- Computer Networks & Wireless Communication (AREA)
- General Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Aerials With Secondary Devices (AREA)
- Variable-Direction Aerials And Aerial Arrays (AREA)
Abstract
The present invention relates to a kind of blank pipe primary radar antenna-feeder systems, including reflector, feed component, crossbeam, pitch regulation structure, turntable, pedestal and driving device；The reflector and feed component are each attached on crossbeam, and feed component is positioned close to the side of the reflecting surface of reflector；Crossbeam is fixedly connected by pitch regulation structure with turntable, and the clamping that turntable can rotate about the axis thereof is in the base；Driving device is fixed on the base, and driving device and the turntable are sequentially connected；The reflector includes block under block and reflector on reflector, and the back side of block is equipped with aluminum alloy framework under block and reflector on reflector；The aluminum alloy framework of block is fixedly connected with the aluminum alloy framework of block under reflector by locking mechanism on the reflector, and the aluminum alloy framework of block is each attached on crossbeam under the aluminum alloy framework and reflector of block on reflector.The present invention has the advantages that assembly is simple, good convenient for adjusting, detecting stability, realizes large-scale airspace detection.
Description
Technical field
The invention belongs to ATC radar apparatus fields, in particular relate to a kind of blank pipe primary radar antenna feeder system
System.
Background technique
Short range blank pipe primary radar is a kind of search radar, is mainly used for detection centered on airport, 110 kilometers of radius is extremely
Various aircraft activity conditions in 150 kilometer ranges.Its antenna-feeder system structure mainly includes reflector antenna, feed, connection feedback
Several big primary structures such as the crossbeam of source and antenna, the turntable for realizing antenna rotation.
Currently, common short range blank pipe primary radar reflecting surface is mostly metal mesh reflecting surface, metal mesh reflecting surface in the market
The processing of antenna and assembly difficulty are larger, and precision is difficult to ensure, fabrication cycle is longer, while metal mesh and bearing wire side shape
The components total weight such as skeleton backing strip is heavier, inconvenience transport and adjusting；Common short range blank pipe primary radar antenna pitching is adjusted
For multiple spot adjusting, larger workload is adjusted.
Summary of the invention
According to problems of the prior art, the present invention provides a kind of blank pipe primary radar antenna-feeder systems, have
Assembly is simple, convenient for adjusting, detecting the good advantage of stability, realizes large-scale airspace detection.
The invention adopts the following technical scheme:
A kind of blank pipe primary radar antenna-feeder system, including reflector, feed component, crossbeam, pitch regulation structure, turntable,
Pedestal and driving device；The reflector and feed component are each attached on crossbeam, and feed component is positioned close to reflector
Reflecting surface side；The crossbeam is fixedly connected by pitch regulation structure with turntable, and the turntable can rotate about the axis thereof
Clamping in the base；The driving device is fixed on the base, and driving device and the turntable are sequentially connected.
Preferably, the reflector includes block under block and reflector on reflector, on the reflector under block and reflector
The back side of block is equipped with aluminum alloy framework；The aluminum alloy framework of block is logical under the aluminum alloy framework and reflector of block on the reflector
It crosses locking mechanism to be fixedly connected, and the aluminum alloy framework of block is fixed under the aluminum alloy framework and reflector of block on the reflector
On crossbeam.
It is further preferred that the locking mechanism includes the bolt that the back side of block under block and reflector on reflector is arranged in
Fastener and the fast latch fitting of buckle that the side of block under block and reflector on reflector is set；The bolt fastener is for fastening
On reflector under the aluminum alloy framework and reflector of block block aluminum alloy framework, the fast latch fitting of the buckle is used for quick fixation reflex
On body under the aluminum alloy framework and reflector of block block aluminum alloy framework.
It is further preferred that the aluminum alloy framework of block passes through under the aluminum alloy framework and reflector of block on the reflector
Spine frame is fixed on crossbeam, and the spine frame includes block under block and spine frame on the spine frame being mutually fixedly connected；The back
Block is fixedly connected with the aluminum alloy framework of block on reflector on skeleton, and the aluminum alloy framework of block and block under reflector is solid under spine frame
Fixed connection, and the bottom of block is fixed on crossbeam under spine frame.
Preferably, the pitch regulation structure includes adjusting screw rod, multiple trunnions and multiple slots；The adjusting screw rod and
Multiple trunnions are arranged at the bottom of crossbeam, and multiple branch slots are arranged at the top of turntable, and the bottom end of adjusting screw rod with
One of branch slot is hingedly fixed, and multiple trunnions are fixed with other branch slot respective hinges respectively；The top of the adjusting screw rod is passed through
It wears and sets on the pin shaft of crossbeam bottom, and adjusting screw rod is equipped with and adjusting screw rod spiral shell on the upper and lower part position of pin shaft
The nut of line connection.
It is further preferred that multiple trunnions are set as two, multiple slots are set as three, and three branch slots are in triangular shape point
Cloth setting；Connecting line of the connecting line of two trunnions perpendicular to feed component and reflector center, and adjusting screw rod and branch
Connecting line of the hinging rotary face of ear and branch slot perpendicular to two trunnions.
Preferably, pivoting support ring gear is equipped at the circumference of the turntable, the pedestal is equipped on a corresponding position
Pivoting support outer gear ring, the pivoting support ring gear and the intermeshing of pivoting support outer gear ring are arranged；The driving device packet
Shell and fixed transmission gear, motor inside the shell are included, the shell is fixedly connected with pedestal, the transmission gear and revolution
Ring gear intermeshing setting is supported, the transmission gear is fixedly connected with the output shaft of motor.
It is further preferred that the driving device is set as two.
Still more preferably, block is all made of aluminum honeycomb-like sandwich structure under block and reflector on the reflector, and
Block outer surface has wrapped carbon fibre material under block and reflector on reflector.
Still more preferably, block on block and reflector between block, on spine frame under block and spine frame on the spine frame
Aluminum alloy framework between, under spine frame under block and reflector between the aluminum alloy framework of block, under spine frame between block and crossbeam
It is fixedly connected by flange；The flange-interface for installing secondary radar is additionally provided on the spine frame at the top of block.
The advantages and beneficial effects of the present invention are:
1) antenna-feeder system of the invention includes reflector, feed component, crossbeam, pitch regulation structure, turntable, pedestal and drive
Dynamic device；The reflector and feed component are each attached on crossbeam, and feed component is positioned close to the reflecting surface of reflector
Side；The crossbeam is fixedly connected by pitch regulation structure with turntable, and what the turntable can rotate about the axis thereof is connected to
In pedestal；The driving device is fixed on the base, and driving device and the turntable are sequentially connected.Above structure setting, makes
Pitch angle and azimuth can easily be adjusted by obtaining antenna-feeder system, realize the large-scale airspace detection of antenna-feeder system.
2) block is all made of aluminum honeycomb-like sandwich structure, and block on reflector under block and reflector on reflector of the invention
Carbon fibre material is wrapped with block outer surface under reflector, relative to traditional metal mesh reflector, reflector of the invention subtracts
The light weight of reflector itself, effectively protects reflector surface, improves the adjusting stability and performance of antenna-feeder system
Stability.
3) trunnion of the invention is set as two, and multiple slots are set as three, and three branch slots are in triangular shape distribution setting；Two
Connecting line of the connecting line of the trunnion perpendicular to feed component and reflector center, and the hinge of adjusting screw rod and trunnion and branch slot
The surfaces of revolution is connect perpendicular to the connecting line of two trunnions.Above-mentioned bikini adjustment structure is adjusted relative to traditional multiple spot,
Assembly difficulty is reduced, convenient for the adjusting of pitch angle, while multiple spot is avoided and adjusting asynchronous bring unstability.
4) pivoting support ring gear is equipped at the circumference of turntable of the invention, the pedestal is equipped with back on a corresponding position
Turn bearing outer gear ring, the pivoting support ring gear and the intermeshing of pivoting support outer gear ring are arranged；The driving device includes
Shell and fixed transmission gear, motor inside the shell, the shell are fixedly connected with pedestal, the transmission gear and revolution branch
Ring gear intermeshing setting is held, the transmission gear is fixedly connected with the output shaft of motor.Turntable of the invention is using above-mentioned
The frame mode of internal messing carries out azimuthal adjusting, so that compact-sized, turntable volume becomes smaller, while relative to traditional outer
Engaging structure, turntable of the invention anti-overturning and supporting power under same size increase.
5) inventive drive means are set as two, two driving devices can isolated operation also run simultaneously.On the one hand,
Two driving devices are mutually redundant, if there is a damage, another can guarantee that antenna-feeder system works normally, and will not influence antenna feeder
System it is normal on duty, improve antenna-feeder system work reliability；On the other hand, single driving device can guarantee wind speed 35m/
Worked normally in the case where within s, two driving devices work at the same time if wind speed is greater than 35m/s, guarantee antenna-feeder system it is normal,
Steady operation.
Detailed description of the invention
Fig. 1 is the three-dimensional structure diagram of antenna-feeder system of the invention.
Fig. 2 is the front view of antenna-feeder system of the invention.
Fig. 3 is the side view of antenna-feeder system of the invention.
Fig. 4 is the local structural graph one of antenna-feeder system of the invention.
Fig. 5 is the local structural graph two of antenna-feeder system of the invention.
Appended drawing reference:
1- reflector, 2- feed component, 3- crossbeam, 4- pitch regulation structure, 5- turntable, 6- pedestal, 7- driving device, 8-
Spine frame, block on 11- reflector, block under 12- reflector, 13- aluminum alloy framework, 14- locking mechanism, 31- pin shaft, 32- nut,
41- adjusting screw rod, 42- trunnion, 43- branch slot, 51- pivoting support ring gear, 61- pivoting support outer gear ring, 71- shell, 72- are passed
Moving gear, 73- motor, block on 81- spine frame, block under 82- spine frame, 141- bolt fastener, 142- buckle fast latch fitting.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
As shown in Figure 1, Figure 2, Figure 3 shows, a kind of blank pipe primary radar antenna-feeder system, including reflector 1, feed component 2, crossbeam
3, pitch regulation structure 4, turntable 5, pedestal 6 and driving device 7；The reflector 1 and feed component 2 are each attached on crossbeam 3,
And feed component 2 is positioned close to the side of the reflecting surface of reflector 1；The crossbeam 3 passes through pitch regulation structure 4 and turntable 5
It is fixedly connected, what the turntable 5 can rotate about the axis thereof is connected in pedestal 6；The driving device 7 is fixed on pedestal 6, and
Driving device 7 and the turntable 5 are sequentially connected.
The reflector 1 includes block 12 under block 11 on reflector and reflector, on the reflector under block 11 and reflector
The back side of block 12 is equipped with aluminum alloy framework 13；The aluminium of the aluminum alloy framework 13 of block 11 and block 12 under reflector on the reflector
Alloy skeleton 13 is fixedly connected by locking mechanism 14, and block under the aluminum alloy framework 13 and reflector of block 11 on the reflector
12 aluminum alloy framework 13 is each attached on crossbeam 3.
The locking mechanism 14 includes the bolt fastener that the back side of block 12 under block 11 and reflector on reflector is arranged in
141 and the fast latch fitting 142 of buckle of the side of block 12 under block 11 and reflector on reflector is set；The bolt fastener 141
The aluminum alloy framework 13 of block 12 under aluminum alloy framework 13 and reflector for fastening block 11 on reflector, the fast latch fitting of buckle
142 aluminum alloy framework 13 for block 12 under the aluminum alloy framework 13 and reflector of block 11 on quick fixation reflex body.
The aluminum alloy framework 13 of block 12 passes through spine under the aluminum alloy framework 13 and reflector of block 11 on the reflector
Frame 8 is fixed on crossbeam 3, and the spine frame 8 includes block 82 under block 81 and spine frame on the spine frame that is mutually fixedly connected；It is described
Block 81 is fixedly connected with the aluminum alloy framework 13 of block 11 on reflector on spine frame, block 82 and block 12 under reflector under spine frame
Aluminum alloy framework 13 is fixedly connected, and the bottom of block 82 is fixed on crossbeam 3 under spine frame.
As shown in figure 4, the pitch regulation structure 4 includes adjusting screw rod 41, multiple trunnions 42 and multiple slots 43；It is described
Adjusting screw rod 41 and multiple trunnions 42 are arranged at the bottom of crossbeam 3, and multiple branch slots 43 are arranged at the top of turntable 5,
And the bottom end of adjusting screw rod 41 and one of branch slot 43 are hingedly fixed, multiple trunnions 42 respectively with other 43 respective hinges of branch slot
It is fixed；The top of the adjusting screw rod 41, which is run through, to be arranged on the pin shaft 31 of 3 bottom of crossbeam, and adjusting screw rod 41 is in pin shaft 31
The nut 32 being threadedly coupled with adjusting screw rod 41 is equipped on the position of upper and lower part.
Multiple trunnions 42 are set as two, and multiple slots 43 are set as three, and three branch slots 43 are in triangular shape distribution setting；
Connecting line of the connecting line of two trunnions 42 perpendicular to feed component 2 and 1 center of reflector, and adjusting screw rod 41 and trunnion
42 with the hinging rotary face of branch slot 43 perpendicular to the connecting line of two trunnions 42.
As shown in figure 5, being equipped with pivoting support ring gear 51 at the circumference of the turntable 5, the pedestal 6 is in corresponding position
It is equipped with pivoting support outer gear ring 61, the pivoting support ring gear 51 is arranged with the intermeshing of pivoting support outer gear ring 61；Institute
Transmission gear 72, motor 73 that driving device 7 includes shell 71 and is fixed in shell 71 are stated, the shell 71 and pedestal 6 are solid
Fixed connection, the transmission gear 72 are arranged with the intermeshing of pivoting support ring gear 51, the transmission gear 72 and motor 73
Output shaft is fixedly connected.
The driving device 7 is set as two.
Block 12 is all made of aluminum honeycomb-like sandwich structure, and block 11 on reflector under block 11 and reflector on the reflector
Carbon fibre material has been wrapped with 12 outer surface of block under reflector.
On the spine frame under block 81 and spine frame between block 82, on spine frame on block 81 and reflector block 11 aluminium alloy
Between skeleton 13, under spine frame under block 82 and reflector between the aluminum alloy framework 13 of block 12, under spine frame block 82 and crossbeam 3 it
Between be fixedly connected by flange；The top of block 81 is additionally provided with the flange-interface for installing secondary radar on the spine frame.
Pedestal 6 during installation, is first fixed on the default mounting rack of antenna-feeder system by antenna-feeder system of the invention, then according to
It is secondary turntable 5 is mounted on pedestal 6, crossbeam 3 is mounted on turntable 5, then block on block 82 and spine frame is installed respectively under spine frame
81, then block 11 on reflector is fixed on spine frame on block 81 by the aluminum alloy framework 13 of reflector 1, will be reflected
Block 12 is fixed under spine frame on block 82 under body, while passing through the bolt fastener 141 of locking mechanism 14 and the fast lock of buckle
Part 142 is fixed and locks to block 12 under block 11, reflector on reflector；Wherein, buckling fast latch fitting 142 is in advance to reflection
Block 12 carries out quick and easy fixation under block 11 and reflector on body, and it is right to be fastened by bolts part 141 after waiting positions to regulate again
Block 12 is securely locked under block 11 and reflector on reflector.
Finally, feed component 2 is mounted on the corresponding position of crossbeam 3, two groups of driving devices 7 are separately mounted to pedestal
On 6, and the pivoting support ring gear 51 of the transmission gear of driving device 7 72 and turntable 5 is intermeshed and is arranged.
Antenna-feeder system of the invention controls antenna-feeder system rotation when in use, by the motor 73 of driving device 7, to control
The azimuth of antenna-feeder system processed；By rotating nut 32 adjusting screw rod 41 is moved up and down in pin shaft 31, to realize day
The adjusting of the pitch angle of feedback system, in the process, only need to adjust a point can be achieved with the adjusting of pitch angle.
In conclusion having and assembling simply, convenient for tune the present invention provides a kind of blank pipe primary radar antenna-feeder system
The good advantage of section, detection stability realizes large-scale airspace detection.
Claims (10)
1. a kind of blank pipe primary radar antenna-feeder system, it is characterised in that: including reflector (1), feed component (2), crossbeam (3),
Pitch regulation structure (4), turntable (5), pedestal (6) and driving device (7)；The reflector (1) and feed component (2) are fixed
On crossbeam (3), and feed component (2) is positioned close to the side of the reflecting surface of reflector (1)；The crossbeam (3) is by bowing
It faces upward adjustment structure (4) to be fixedly connected with turntable (5), what the turntable (5) can rotate about the axis thereof is connected in pedestal (6)；Institute
It states driving device (7) to be fixed on pedestal (6), and driving device (7) and the turntable (5) are sequentially connected.
2. a kind of blank pipe primary radar antenna-feeder system according to claim 1, it is characterised in that: reflector (1) packet
Block (12) under block on reflector (11) and reflector is included, the back side of block (12) is all provided under block (11) and reflector on the reflector
There are aluminum alloy framework (13)；The aluminium alloy bone of the aluminum alloy framework (13) of block (11) and block (12) under reflector on the reflector
Frame (13) is fixedly connected by locking mechanism (14), and on the reflector under the aluminum alloy framework (13) and reflector of block (11)
The aluminum alloy framework (13) of block (12) is each attached on crossbeam (3).
3. a kind of blank pipe primary radar antenna-feeder system according to claim 2, it is characterised in that: the locking mechanism (14)
Including the bolt fastener (141) at the back side of block (12) under block (11) and reflector is arranged on reflector and is arranged in reflector
The fast latch fitting of buckle (142) of the side of block (12) under upper piece (11) and reflector；The bolt fastener (141) is anti-for fastening
The aluminum alloy framework (13) of the aluminum alloy framework (13) of block (11) and block (12) under reflector on beam, the fast latch fitting of buckle
(142) aluminum alloy framework for block (12) under the aluminum alloy framework (13) and reflector of block (11) on quick fixation reflex body
(13)。
4. a kind of blank pipe primary radar antenna-feeder system according to claim 2, it is characterised in that: block on the reflector
(11) aluminum alloy framework (13) of block (12) is fixed on crossbeam by spine frame (8) under aluminum alloy framework (13) and reflector
(3) on, and the spine frame (8) includes block (82) under block (81) and spine frame on the spine frame being mutually fixedly connected；The spine
Block (81) is fixedly connected with the aluminum alloy framework (13) of block on reflector (11) on frame, block (82) and block under reflector under spine frame
(12) aluminum alloy framework (13) is fixedly connected, and the bottom of block (82) is fixed on crossbeam (3) under spine frame.
5. a kind of blank pipe primary radar antenna-feeder system according to claim 1, it is characterised in that: the pitch regulation structure
It (4) include adjusting screw rod (41), multiple trunnions (42) and multiple slots (43)；The adjusting screw rod (41) and multiple trunnions (42)
It is arranged at the bottom of crossbeam (3), multiple branch slots (43) are arranged at the top of turntable (5), and adjusting screw rod (41)
Bottom end and one of branch slot (43) are hingedly fixed, and multiple trunnions (42) are fixed with other branch slot (43) respective hinges respectively；Institute
The top for stating adjusting screw rod (41), which is run through, to be arranged on the pin shaft (31) of crossbeam (3) bottom, and adjusting screw rod (41) is in pin shaft
(31) nut (32) being threadedly coupled with adjusting screw rod (41) is equipped on upper and lower part position.
6. a kind of blank pipe primary radar antenna-feeder system according to claim 5, it is characterised in that: multiple trunnions (42)
Two are set as, multiple slots (43) are set as three, and three branch slots (43) are in triangular shape distribution setting；Two trunnions (42)
Connecting line of the connecting line perpendicular to feed component (2) and reflector (1) center, and adjusting screw rod (41) and trunnion (42) and branch slot
(43) connecting line of the hinging rotary face perpendicular to two trunnions (42).
7. a kind of blank pipe primary radar antenna-feeder system according to claim 1, it is characterised in that: the circle of the turntable (5)
Pivoting support ring gear (51) are equipped at week, the pedestal (6) is equipped with pivoting support outer gear ring (61) on a corresponding position, institute
Pivoting support ring gear (51) and pivoting support outer gear ring (61) intermeshing is stated to be arranged；The driving device (7) includes shell
(71) it is fixedly connected with the transmission gear (72), the motor (73) that are fixed in shell (71), the shell (71) with pedestal (6),
The transmission gear (72) and pivoting support ring gear (51) intermeshing are arranged, the transmission gear (72) and motor (73)
Output shaft is fixedly connected.
8. a kind of blank pipe primary radar antenna-feeder system according to claim 7, it is characterised in that: the driving device (7)
It is set as two.
9. a kind of blank pipe primary radar antenna-feeder system according to claim 2, it is characterised in that: block on the reflector
(11) and under reflector block (12) is all made of aluminum honeycomb-like sandwich structure, and block (12) under block (11) and reflector on reflector
Outer surface has wrapped carbon fibre material.
10. a kind of blank pipe primary radar antenna-feeder system according to claim 4, it is characterised in that: block on the spine frame
(81) and under spine frame between block (82), on spine frame on block (81) and reflector between the aluminum alloy framework (13) of block (11),
Under spine frame under block (82) and reflector between the aluminum alloy framework (13) of block (12), under spine frame block (82) and crossbeam (3) it
Between be fixedly connected by flange；The flange being additionally provided at the top of block (81) for installing secondary radar on the spine frame connects
Mouthful.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811288304.7A CN109270496B (en) | 2018-10-31 | 2018-10-31 | Air traffic control primary radar antenna feeder system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811288304.7A CN109270496B (en) | 2018-10-31 | 2018-10-31 | Air traffic control primary radar antenna feeder system |
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| Publication Number | Publication Date |
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| CN109270496A true CN109270496A (en) | 2019-01-25 |
| CN109270496B CN109270496B (en) | 2020-12-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201811288304.7A Active CN109270496B (en) | 2018-10-31 | 2018-10-31 | Air traffic control primary radar antenna feeder system |
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| CN105552568A (en) * | 2016-03-01 | 2016-05-04 | 熊猫电子集团有限公司 | Airborne light-weight integrated parabolic antenna |
| CN205646161U (en) * | 2016-05-25 | 2016-10-12 | 上海灵亨信息技术股份有限公司 | Exceedingly high line during on -board moves |
| CN108279414A (en) * | 2018-02-08 | 2018-07-13 | 四川道勤信业科技有限公司 | A kind of radar detection apparatus suitable for field |
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| CN109270496B (en) | 2020-12-22 |
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