CN207502620U - Microwave dark room and corresponding antenna testing system - Google Patents
Microwave dark room and corresponding antenna testing system Download PDFInfo
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- CN207502620U CN207502620U CN201721635890.9U CN201721635890U CN207502620U CN 207502620 U CN207502620 U CN 207502620U CN 201721635890 U CN201721635890 U CN 201721635890U CN 207502620 U CN207502620 U CN 207502620U
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Abstract
The utility model is related to a kind of microwave dark room and corresponding Antenna testing systems, including microwave box, auxiliary antenna part and antenna part to be measured, and the auxiliary antenna part and antenna part to be measured are respectively provided with the clamping device that can keep variable unification, and the auxiliary antenna part and the antenna part to be measured are all set to box house, microwave box is a microwave box covered with absorbing material.The utility model can be used for far field test, for millimeter wave frequency band, the monistic auxiliary antenna clamping device of variable and antenna clamping device to be measured can be kept since it has, it can ensure that the variable that antenna and auxiliary antenna to be measured change in measurement process is controllable, ensure that the unitary variant principle of test and antenna to be measured, the stabilization of auxiliary antenna to the greatest extent.Therefore, different antenna plates can be directed to use, it is very convenient quick, and space is saved, while measurement accuracy higher, and variously-shaped antenna can be measured by adjusting different structural members.
Description
Technical field
The utility model is related to microwave regime, in particular to a kind of microwave dark rooms and corresponding Antenna testing system.
Background technology
Present millimetre-wave radar antenna measurement, it is common to use be microwave dark room, microwave dark room is called " areflexia room "
Or " absorber lined chamber ", it is the room for making lining with absorbing material, can absorb the most of electromagnetic energy being incident on 6 walls, compared with
Good simulation Free-space measurement condition.
Microwave dark room is mainly used to measure electronically small antenna and feed, while can also instrumentation radar section, research electromagnetic wave
Diffraction, radiation and scattering properties etc..Since there is microwave dark room round-the-clock, broadband, advantages of good shielding performance, safe and secret etc. to have
Point, thus rapidly developed between nearly 20 years.Microwave dark room further includes near-field test and tight in addition to conventional far-field measurement
Contracting field is tested.
However, the place that structure microwave dark room needs in the prior art is larger, and it is expensive, propose a kind of smaller field of occupancy
Ground is readily disassembled, the microwave dark room that cost is relatively low, is this field urgent problem to be solved.
Utility model content
The purpose of the utility model is to overcome the shortcomings that the above-mentioned prior art, provide a kind of smaller place of occupancy, be easy to
Dismounting, the relatively low microwave dark room of cost and corresponding Antenna testing system.
To achieve these goals, the microwave dark room of the utility model and corresponding Antenna testing system have following structure
Into：
The microwave dark room, is mainly characterized by, including microwave box, auxiliary antenna part and antenna part to be measured, and it is described
Auxiliary antenna part and antenna part to be measured be respectively provided with the clamping device that can keep variable unification, and the auxiliary antenna
Part and the antenna part to be measured are all set to box house, and microwave box is a microwave box covered with absorbing material.
Preferably, the clamping device of the auxiliary antenna part includes the industrial tripod of bottom, it is provided with
One servo motor turntable, the first servo motor turntable are provided with pitching clamping part.
More preferably, the auxiliary antenna is an electromagnetic horn.
Preferably, the gripper mechanism grips antenna to be measured of the antenna part to be measured, and the auxiliary antenna part
Clamping device include being set to the XY displacement platforms of bottom, be provided with servo motor turntable, and the servo motor turns
Platform is provided with pitch angle displacement platform.
More preferably, the XY displacement platforms include two vertically disposed horizontal position moving stage, and wherein one in the horizontal plane
A horizontal position moving stage has longer movement travel, and another horizontal position moving stage has shorter movement travel, and described two levels
The linear module of displacement platform is using the linear module of micron order leading screw that repetitive positioning accuracy is ± 0.02mm.
More preferably, the pitch angle displacement platform is the pitch angle displacement platform that pitching working range is ± 10 °, and described
T-Type structure is provided on pitch angle displacement platform.
Preferably, the babinet of the microwave box is an iron plate babinet, inside is covered with absorbing material, and the suction
Wave material includes right cone material, floor aisle material, edge corner material and plate material, wherein, in the babinet main wall face
Side pastes the right cone material, and edge corner material is filled in each metope joint, and tank floor is equipped with ground at main wall face
Plate aisle material, and the microwave box is provided with test gate in its long end side.
It based on the Antenna testing system that microwave dark room described above is formed, is mainly characterized by, the system is also
Including an auxiliary antenna and antenna to be measured, which is installed on the auxiliary antenna part, which is installed on
Antenna part to be measured, the Antenna testing system further include signal processing generating means, and both ends connect the auxiliary antenna respectively
With antenna to be measured, signal known to the auxiliary antenna emission parameter is controlled, and treats the signal that observation line receives and carries out
Analysis preserves.
Preferably, the system further includes a turntable controller, the clamping device of antenna part to be measured is connected to, is treated
The movement for surveying the clamping device of antenna part is controlled, and the signal processing generating means includes signal source, spectrum analysis
Instrument, main control computer and low-noise amplifier, wherein, the signal source connects auxiliary antenna, controls auxiliary antenna emission parameter
Known signal, the spectrum analyzer receives observation line by low-noise amplifier, by low-noise amplifier antenna to be measured
After the signal received carries out low noise amplification, the spectrum analyzer is transferred to carry out corresponding signal analysis, the master control
Computer difference connecting signal source, turntable controller and spectrum analyzer, the output of output and turntable controller to signal source
It is controlled, and the analysis data obtained to the spectrum analyzer analysis preserve.
Preferably, the system further includes a turntable controller, the clamping device of antenna part to be measured is connected to, is treated
The movement of clamping device for surveying antenna part is controlled, the signal processing generating means include vector network analyzer,
Main control computer and low-noise amplifier, wherein, the output terminal connection auxiliary antenna of the vector network analyzer controls auxiliary
Signal known to antenna emission parameter is helped, the input terminal of the vector network analyzer receives observation by low-noise amplifier
Line after carrying out low noise amplification by the signal that low-noise amplifier antenna to be measured receives, transfers to the vector network analysis
Instrument carries out corresponding signal analysis, main control computer difference connected vector Network Analyzer and turntable controller, to vector
The output of the output terminal of Network Analyzer and the output of turntable controller are controlled, and to the vector network analyzer point
The analysis data that analysis obtains are preserved.
The microwave dark room of the utility model and corresponding Antenna testing system, for far field test, for millimeter wave frequency band,
The monistic auxiliary antenna clamping device of variable and antenna clamping device to be measured can be kept since it has, it is ensured that treated
The variable that observation line and auxiliary antenna change in measurement process is controllable, ensure that the unitary variant principle of test to the greatest extent
And the stabilization of antenna to be measured, auxiliary antenna.Therefore, different antenna plates can be directed to use, it is very convenient quick, and save empty
Between, while measurement accuracy higher, and variously-shaped antenna can be measured by adjusting different structural members, and it is described auxiliary
The clamping device of antenna part is helped to include the industrial tripod of bottom, is provided with the first servo motor turntable, described
One servo motor turntable is provided with pitching clamping part；
The gripper mechanism grips antenna to be measured of the antenna part to be measured, and the clamping machine of the auxiliary antenna part
Structure includes the XY displacement platforms for being set to bottom, is provided with servo motor turntable, and the servo motor turntable is set thereon
It is equipped with pitch angle displacement platform；
The XY displacement platforms include two vertically disposed horizontal position moving stage, and one of horizontal position in the horizontal plane
Moving stage has longer movement travel, and another horizontal position moving stage has shorter movement travel.
Description of the drawings
Fig. 1 is the babinet schematic diagram of the microwave box of the microwave dark room of the utility model.
Fig. 2 is the partial schematic diagram of the clamping device of the auxiliary antenna part of the microwave dark room of the utility model.
Fig. 3 is the overall schematic of the clamping device of the auxiliary antenna part of the microwave dark room of the utility model.
Fig. 4 is the overall schematic of the clamping device of the antenna part to be measured of the microwave dark room of the utility model.
Fig. 5 is the signal source of the utility model and the antenna measurement system of spectrum analyzer structure.
Fig. 6 is the signal source of the utility model and the antenna measurement flow chart of the antenna measurement system of spectrum analyzer structure
Fig. 7 is the measuring system that the vector network analyzer of the utility model is built.
Fig. 8 is the microwave box antenna measurement design drawing of the utility model.
Fig. 9 is the test flow chart of the Antenna testing system of the utility model.
Reference numeral
1 auxiliary antenna part
2 antenna parts to be measured
3 testing stands
4 microwave box
5 electromagnetic horns
6 servo motor turntables
7 pitching clamping parts
8 strip holes
9 industrial tripods
10 Y displacement platforms
11 X displacement platforms
12 pitch angle displacement platforms
13 tee T structural members
Specific embodiment
In order to more clearly describe the technology contents of the utility model, come with reference to specific embodiment into traveling one
The description of step.
Referring to figs. 1 to Fig. 8, the microwave dark room, including microwave box 4, auxiliary antenna part 1 and antenna part to be measured 2, and institute
The auxiliary antenna part 1 and antenna part to be measured 2 stated are respectively provided with the clamping device that can keep variable unification, in specific embodiment
In, it shows as, can only change a kind of variable, other changeable variables are not with the variable change being changed (such as changeable X
In the case of direction, Y-direction, swing and pitching angle variable, it can only change the displacement of X-direction, dependent variable does not change,
Or only change the variation of pitch angle, other party variable does not change).And it the auxiliary antenna part 1 and described treats
It surveys antenna part 2 and is all set to box house, microwave box 4 is a microwave box 4 covered with absorbing material.
In a kind of preferable embodiment, the clamping device of the auxiliary antenna part 1 includes the industry three of bottom
Foot stool 9, is provided with the first servo motor turntable 6, and the first servo motor turntable 6 is provided with pitching clamping part
7。
In a kind of more preferably embodiment, the auxiliary antenna is an electromagnetic horn 5.
In a kind of preferable embodiment, the gripper mechanism grips antenna to be measured of the antenna part to be measured 2, and institute
The clamping device of auxiliary antenna part 1 stated includes the XY displacement platforms for being set to bottom, is provided with servo motor turntable 6,
And the servo motor turntable 6 is provided with pitch angle displacement platform 12.
In a kind of more preferably embodiment, the XY displacement platforms include two vertically disposed levels in the horizontal plane
Displacement platform, and one of horizontal position moving stage has longer movement travel, another horizontal position moving stage has shorter movement travel, and
The linear module of two horizontal position moving stage is using the linear mould of micron order leading screw that repetitive positioning accuracy is ± 0.02mm
Group.
More preferably, it is ± 10 ° of pitch angle displacement platform 12, and institute that the pitch angle displacement platform 12, which is pitching working range,
T-Type structure is provided on the pitch angle displacement platform 12 stated.
In a kind of preferable embodiment, the babinet of the microwave box 4 is an iron plate babinet, and inside is covered with suction
Wave material, and the absorbing material includes right cone material, floor aisle material, edge corner material and plate material, wherein, institute
The right cone material is pasted on the inside of the babinet main wall face stated, edge corner material is filled in each metope joint, and tank floor is close
Floor aisle material is equipped at main wall face, and the microwave box 4 is provided with test gate in its long end side.
It based on the Antenna testing system that microwave dark room described above is formed, is mainly characterized by, the system is also
Including an auxiliary antenna and antenna to be measured, which is installed on the auxiliary antenna part, which is installed on
Antenna part to be measured, the Antenna testing system further include signal processing generating means, and both ends connect the auxiliary antenna respectively
With antenna to be measured, signal known to the auxiliary antenna emission parameter is controlled, and treats the signal that observation line receives and carries out
Analysis preserves.
In a kind of preferable embodiment, the system further includes a turntable controller, is connected to antenna part to be measured
The clamping device divided, the movement for treating the clamping device for surveying antenna part are controlled, the signal processing generating means packet
Signal source, spectrum analyzer, main control computer and low-noise amplifier are included, wherein, the signal source connects auxiliary antenna, control
Signal known to auxiliary antenna emission parameter, the spectrum analyzer receives observation line by low-noise amplifier, by low noise
After the signal that acoustic amplifier antenna to be measured receives carries out low noise amplification, the spectrum analyzer is transferred to carry out corresponding signal
Analysis, main control computer difference connecting signal source, turntable controller and spectrum analyzer and turn output to signal source
The output of platform controller is controlled, and the analysis data obtained to the spectrum analyzer analysis preserve.
In a kind of preferable embodiment, the system further includes a turntable controller, is connected to antenna part to be measured
The clamping device divided, the movement for treating the clamping device for surveying antenna part are controlled, the signal processing generating means packet
Vector network analyzer, main control computer and low-noise amplifier are included, wherein, the output terminal of the vector network analyzer connects
It connects auxiliary antenna, controls signal known to auxiliary antenna emission parameter, the input terminal of the vector network analyzer passes through low
Noise amplifier receives observation line, after carrying out low noise amplification by the signal that low-noise amplifier antenna to be measured receives, transfers to
The vector network analyzer carries out corresponding signal analysis, main control computer difference connected vector Network Analyzer and
Turntable controller, the output of output and turntable controller to the output terminal of vector network analyzer control, and to described
Vector network analyzer analysis obtain analysis data preserved.
The method that antenna measurement is realized based on above-mentioned Antenna testing system, is mainly characterized by, included the following steps：
(1) installation is carried out to the system to power on, the motion state of the clamping device of antenna part to be measured is zeroed, and
Relevant parameter in the Antenna testing system is set；
(2) clamping device of the control antenna part to be measured is moved by certain way；
(3) signal known to the auxiliary antenna emission parameter described in the control of signal processing generating means described in；
(4) antenna to be measured described in receives signal, and passes through the signal processing generating means to the signal that receives
Analysis preservation is carried out, is entered step (2).
In a kind of preferable embodiment, the method which realizes antenna measurement is based on an antenna measurement mechanism, should
Antenna measurement mechanism includes setting the motion mode of the clamping device of antenna part to be measured and setting signal processing generating means
Control the parameter of the signal of auxiliary antenna transmitting.
Referring to Fig. 8, in a specific embodiment, the microwave dark room of the utility model includes：
(1) microwave box 4 designs
Referring to Fig. 4, the design size of microwave box 4 be 5000mm × 2000mm × 2000m, babinet by iron plate weld and
Into inside covering absorbing material.Absorbing material is by right cone material, floor aisle material, edge corner material and other plate materials
Composition.The right cone material covering of the main wall face different height of babinet, the place that each metope connects abutment wall material and turning
Material fills (i.e. edge corner material), ensures tight paste, and do not interlock.On the wall side of microwave box 4, there are one aisle, need cloth
Floor type absorbing material is put so that tester can reach.Test gate is opened in long end side, and 77GHz is facilitated to test.
(2) auxiliary antenna part 1
Fig. 2 and Fig. 3 are please referred to, which is made of three parts, is the industrial tripod 9 of bottom respectively, control
It makes the servo motor turntable 6 of rotation and the pitching clamping part 7 of top half forms, and auxiliary antenna is electromagnetic horn 5, by institute
Clamped by the pitching clamping part 7 stated.Auxiliary antenna regulating mechanism can also pass through the servo electricity of bottom other than pitch regulation
Machine turntable 6 carries out the rotary motion using 5 mouthfuls of central axes of electromagnetic horn as rotation axis, and the clamping device of auxiliary antenna part 1
The electromagnetic horn 5 of different size can be clamped.The anteroposterior position of top pitching clamping part 7 is adjusted by the strip hole 8 of bottom simultaneously
The horn mouth for the electromagnetic horn 5 that ensure that different size is put all at the center of turntable.
(3) antenna part 2 to be measured
Antenna part 2 to be measured is made of three parts, is the XY displacement platforms of bottom respectively, is responsible for the servo motor of precision rotation
Turntable 6 and the pitch angle displacement platform 12 for being responsible for accurate pitching movement.
Wherein XY displacement platforms are built by two horizontal position moving stage, and wherein X displacement platforms 11 have the longer movement of X-direction
Stroke, Y displacement platforms 10 have the shorter movement travel of Y-direction.For linear module using the linear module of micron order leading screw, it is fixed to repeat
Position precision is ± 0.02mm, is driven using stepper motor.
The pitching scope of pitch angle displacement platform 12 is ± 10 °, and the top of pitch angle displacement platform 12 is equipped with tee T knot
Component 13, for installing antenna to be measured, i.e. antenna measurement plate.
The related application of microwave dark room is that measurement of correlation instrument is added in microwave dark room, and experiment is added in microwave dark room
Platform 3 places measuring instrument.The measuring system of composition includes two kinds, and one kind is that signal source adds spectrum analyzer and microwave dark room structure
The antenna measurement system built, a kind of is the antenna measurement system of vector network analyzer and microwave dark room structure.
Scheme one：The measuring system of signal source+spectrum analyzer structure
Fig. 5 and Fig. 6 are please referred to, auxiliary antenna is respectively placed in antenna as transmitting antenna, antenna to be measured as reception antenna
On stent and turntable.Under initial angle, computer carries out signal generator (i.e. signal source) by GPIB cables or cable
Configuration, the latter emit signal and are radiate through cable transmission to auxiliary antenna and by auxiliary antenna, and antenna to be measured receives signal simultaneously
Signal is returned into spectrum analyzer through low loss cable, after pretreatment, parameter is transferred to computer to signal, and by computer
It is shown, real-time rendering antenna radiation pattern.Hereafter, computer control turntable turns to next angle, repeats the above steps.It keeps
It is constant to emit signal, one circle of turntable rotation, you can obtain the directional data of antenna.
In the program, device parameter is as follows：
Signal source model：8267D, spectrum analyzer model：9030A, test frequency range：250KHz~31.8GHz expands
Open up 60GHz~90GHz, minimum output power level：- 130dBm, peak power output level：＞ 10dBm@30GHz are received
Clever sensitivity (1Hz RBW)：-172dBm@1GHZ.Expand to the sensitivity of millimeter wave：(1Hz RBW)：-140dBm.
Scheme two：Using the measuring system of vector network analyzer
Referring to Fig. 7, it is measured using vector network analyzer analyzer, only by " signal source hair corresponding in scheme one
Penetrate signal " and " spectrum analyzer reception signal " be changed to " arrow net transmitting signal " and " arrow net reception signal ", measurement process
Sequential is constant.Unlike spectrum analyzer, S21 parameters for transmission is calculated to main control computer by vector network analyzer.
In the program, device parameter is as follows：
Swear net type number：N5222A, test frequency range：10MHz~26.5GHz expands to 60GHz~90GHz, dynamic model
It encloses：＞ 110dB, test function：S parameter, the drift of system performance is less than 1% in the range of 24 hours.
Referring to Fig. 9, in a specific embodiment, the flow (waving map) measured includes the following steps：
(1) start TT＆C software, setting oscillograph parameter, rotational parameters and emission parameter；
(2) starting impulse signal generator generates and transmits burst pulse to transmitting antenna, while send synchronous triggering signal
To the triggering end of sampling oscilloscope；
(3) antenna by signal radiation to reflecting surface and is transformed to plane wave propagation to antenna to be measured, after antenna to be measured receives
It is sent after amplifier amplifies to sampling oscilloscope；
(4) computer reads oscilloscope data and preserves；
(5) controlling mechanism turntable goes to next angle to be measured, and narrow-pulse generator emits burst pulse and synchronous letter again
Number, it repeats the above process, until completing all angles to be measured；
So far the measurement data for completing antenna radiation pattern obtains, and can further be calculated, and draw antenna radiation pattern.
The microwave dark room of the utility model and corresponding Antenna testing system, for far field test, for millimeter wave frequency band,
The monistic auxiliary antenna clamping device of variable and antenna clamping device to be measured can be kept since it has, it is ensured that treated
The variable that observation line and auxiliary antenna change in measurement process is controllable, ensure that the unitary variant principle of test to the greatest extent
And the stabilization of antenna to be measured, auxiliary antenna.Therefore, different antenna plates can be directed to use, it is very convenient quick, and save empty
Between, while measurement accuracy higher, and variously-shaped antenna can be measured by adjusting different structural members.
In this description, the utility model is described with reference to its specific embodiment.It but it is clear that still can be with
The spirit and scope that various modification can be adapted and converts without departing from the utility model.Therefore, the description and the appended drawings should be considered as
It is illustrative and not restrictive.
Claims (10)
1. a kind of microwave dark room, which is characterized in that including microwave box, auxiliary antenna part and antenna part to be measured, and it is described
Auxiliary antenna part and antenna part to be measured are respectively provided with the clamping device that can keep variable unification, and the auxiliary antenna portion
Divide and the antenna part to be measured is all set to box house, microwave box is a microwave box covered with absorbing material.
2. microwave dark room according to claim 1, which is characterized in that the clamping device of the auxiliary antenna part includes
The industrial tripod of bottom, is provided with the first servo motor turntable, and the first servo motor turntable is provided with
Pitching clamping part.
3. microwave dark room according to claim 2, which is characterized in that the auxiliary antenna is an electromagnetic horn.
4. microwave dark room according to claim 1, which is characterized in that the gripper mechanism grips of the antenna part to be measured
Antenna to be measured, and the clamping device of the auxiliary antenna part includes the XY displacement platforms for being set to bottom, is provided with and watches
Motor turntable is taken, and the servo motor turntable is provided with pitch angle displacement platform.
5. microwave dark room according to claim 4, which is characterized in that the XY displacement platforms include two in the horizontal plane
Vertically disposed horizontal position moving stage, and one of horizontal position moving stage has longer movement travel, another horizontal position moving stage has
Shorter movement travel, and the linear module of described two horizontal position moving stage is using the essence that repetitive positioning accuracy is ± 0.02mm
The linear module of level of confidentiality leading screw.
6. microwave dark room according to claim 4, which is characterized in that the pitch angle displacement platform is pitching working range
For ± 10 ° of pitch angle displacement platform, and T-Type structure is provided on the pitch angle displacement platform.
7. microwave dark room according to claim 1, which is characterized in that the babinet of the microwave box is an iron plate babinet,
Its inside is covered with absorbing material, and the absorbing material includes right cone material, floor aisle material, edge corner material peace
Plate material, wherein, the right cone material is pasted on the inside of the babinet main wall face, edge corner material is filled in each metope joint
Material, tank floor is equipped with floor aisle material at main wall face, and the microwave box is provided with survey in its long end side
Try door.
8. the Antenna testing system that a kind of microwave dark room based on described in any one of claim 1 to 7 is formed, feature exist
In the system further includes an auxiliary antenna and antenna to be measured, which is installed on the auxiliary antenna part, should
Antenna to be measured is installed on antenna part to be measured, which further includes signal processing generating means, and both ends connect respectively
The auxiliary antenna and antenna to be measured.
9. Antenna testing system according to claim 8, which is characterized in that the system further includes a turning table control
Device is connected to the clamping device of antenna part to be measured；
The signal processing generating means includes signal source, spectrum analyzer, main control computer and low-noise amplifier,
In, the signal source connects auxiliary antenna, and the spectrum analyzer receives observation line, the master by low-noise amplifier
Control computer difference connecting signal source, turntable controller and spectrum analyzer.
10. Antenna testing system according to claim 8, which is characterized in that the system further includes a turning table control
Device is connected to the clamping device of antenna part to be measured；
The signal processing generating means includes vector network analyzer, main control computer and low-noise amplifier, wherein, institute
The output terminal connection auxiliary antenna for the vector network analyzer stated, the input terminal of the vector network analyzer pass through low noise
Amplifier receives observation line, main control computer difference connected vector Network Analyzer and turntable controller.
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| CN201721635890.9U CN207502620U (en) | 2017-11-30 | 2017-11-30 | Microwave dark room and corresponding antenna testing system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721635890.9U CN207502620U (en) | 2017-11-30 | 2017-11-30 | Microwave dark room and corresponding antenna testing system |
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| CN207502620U true CN207502620U (en) | 2018-06-15 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109270504A (en) * | 2018-08-22 | 2019-01-25 | 华清瑞达（天津）科技有限公司 | Microwave dark room array simulation control method and system |
| CN109327594A (en) * | 2018-11-27 | 2019-02-12 | 厦门市摩尔环宇通信技术有限公司 | A kind of OTA test darkroom |
| CN109374988A (en) * | 2018-09-29 | 2019-02-22 | 硕讯科技（苏州）有限公司 | Quick 5G millimeter wave antenna remote field testing method based on flight Compact Range |
| CN110166144A (en) * | 2019-05-09 | 2019-08-23 | 武汉虹信通信技术有限责任公司 | A kind of test macro for testing mimo antenna |
| CN112014650A (en) * | 2020-07-14 | 2020-12-01 | 深圳捷豹电波科技有限公司 | Antenna performance detection device and detection method |
-
2017
- 2017-11-30 CN CN201721635890.9U patent/CN207502620U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109270504A (en) * | 2018-08-22 | 2019-01-25 | 华清瑞达（天津）科技有限公司 | Microwave dark room array simulation control method and system |
| CN109270504B (en) * | 2018-08-22 | 2020-07-07 | 华清瑞达（天津）科技有限公司 | Microwave darkroom array simulation control method and system |
| CN109374988A (en) * | 2018-09-29 | 2019-02-22 | 硕讯科技（苏州）有限公司 | Quick 5G millimeter wave antenna remote field testing method based on flight Compact Range |
| CN109327594A (en) * | 2018-11-27 | 2019-02-12 | 厦门市摩尔环宇通信技术有限公司 | A kind of OTA test darkroom |
| CN110166144A (en) * | 2019-05-09 | 2019-08-23 | 武汉虹信通信技术有限责任公司 | A kind of test macro for testing mimo antenna |
| CN112014650A (en) * | 2020-07-14 | 2020-12-01 | 深圳捷豹电波科技有限公司 | Antenna performance detection device and detection method |
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Denomination of utility model: Anechoic chamber and corresponding antenna testing system Effective date of registration: 20190618 Granted publication date: 20180615 Pledgee: Bank of China Limited by Share Ltd. Shanghai Development Zone Pudong branch Pledgor: SHANGHAI YINGHENG ELECTRONIC Co.,Ltd. Registration number: 2019310000034 |
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Date of cancellation: 20221206 Granted publication date: 20180615 Pledgee: Bank of China Limited by Share Ltd. Shanghai Development Zone Pudong branch Pledgor: SHANGHAI YINGHENG ELECTRONIC Co.,Ltd. Registration number: 2019310000034 |