CN210894514U - Phased array antenna test system - Google Patents
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- CN210894514U CN210894514U CN201920789386.7U CN201920789386U CN210894514U CN 210894514 U CN210894514 U CN 210894514U CN 201920789386 U CN201920789386 U CN 201920789386U CN 210894514 U CN210894514 U CN 210894514U
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Abstract
The utility model discloses a phased array antenna test system, through setting up the antenna plummer including the antenna revolving stage respectively, including the loudspeaker plummer of linear type slide rail to set up the antenna anchor clamps that can press from both sides and establish multiple size respectively on the antenna revolving stage, and set up the loudspeaker anchor clamps that can fix multiple type loudspeaker on the slide rail, can realize the automatic fast alignment between the antenna under test of multiple different grade type and the corresponding loudspeaker through the controller under the demarcation effect of alignment module from this. And the test of various antennas can be automatically completed through auxiliary equipment such as a signal source, a frequency spectrograph and the like of the system. Therefore, the antenna test system has the technical effects of improving the applicability of the antenna test system and improving the antenna test efficiency.
Description
Technical Field
The utility model relates to an electronic circuit control technical field especially relates to a phased array antenna test system.
Background
The antenna in the market is of various types, and the required test instruments and test modes for different antennas are different. In the testing process, different antennas can only be installed and debugged by using manpower respectively by adopting a corresponding testing tool and a corresponding testing platform respectively, so that the corresponding method can be adopted for testing.
Meanwhile, because the antenna is also easily affected by various environmental factors such as weather, temperature, humidity and the like in the actual working process, the antenna is usually tested in a closed space (namely a darkroom) with a certain size at present. Under the darkroom environment, the probes of a plurality of test instruments are generally required to be connected for the multi-function test of the antenna, and a plurality of cables are required to be connected.
Therefore, in the prior art, the testing tool and the testing platform which are suitable for different antennas can be installed and connected only by manpower, and when the antenna is debugged under a darkroom condition, cables of various testing tools and testing platforms are complex, installation and debugging are tedious, and the antenna testing efficiency is seriously influenced.
SUMMERY OF THE UTILITY MODEL
The application provides a phased array antenna test system for solve the testing tool and the test platform that often can only adopt manpower difference erection joint looks adaptation to the antenna of difference that exists among the prior art, when debugging under the darkroom condition, the cable of multiple different testing tool and test platform is complicated, and the installation and debugging is loaded down with trivial details, seriously influences antenna efficiency of software testing's technical problem.
This application first aspect provides a phased array antenna test system, including antenna plummer and loudspeaker plummer, includes:
the antenna clamp is arranged on the antenna bearing table and comprises a tested antenna connecting end, and the antenna clamp is used for clamping and fixing the tested antenna and is connected with the tested antenna through the tested antenna connecting end;
the antenna turntable is arranged on the antenna bearing table, is connected with the antenna clamp and can be used for driving the antenna clamp to rotate circumferentially on a horizontal plane;
the alignment module is fixedly arranged on the antenna clamp and used for emitting an alignment ray matched with the main beam direction of the antenna to be measured;
the loudspeaker clamp comprises a loudspeaker access end and a loudspeaker clamping end, wherein the loudspeaker clamp is used for clamping a loudspeaker and enabling the section of a signal receiving cavity opening of the loudspeaker to be vertical to the horizontal plane;
the slide rail is arranged at the bottom of the horn bearing table and is in sliding connection with the at least one type of horn clamp through a rail, and the rail of the slide rail is horizontally linear and is vertical to a connecting line of the central lines of the antenna bearing table and the horn bearing table;
the controller is connected with the antenna turntable and the slide rail and used for controlling the circumferential rotation angle of the antenna turntable and the sliding distance of the horn clamp;
the signal source is connected with the antenna to be tested through the connecting end of the antenna to be tested and used for sending a preset signal to the antenna to be tested;
and the frequency spectrograph is connected with the horn clamp and used for analyzing a received signal received by the horn and corresponding to the preset signal.
Optionally, the antenna test system further includes:
and the power supply is connected with the antenna bearing table and used for supplying power to the antenna to be tested and the alignment module.
Optionally, the bottoms of the antenna bearing table and the horn bearing table are further provided with lifting devices for respectively driving the antenna bearing table and the horn bearing table to be lifted and lowered.
Optionally, the lifting device is embodied as an expansion bolt.
Optionally, the bottoms of the antenna bearing table and the horn bearing table are further provided with a sliding rail device or a pulley device.
Optionally, the alignment module is embodied as a laser pointer and/or an infrared module.
Optionally, at least four linkage motors are further arranged at the bottom of the antenna clamp, so that the antenna clamp can change an angle of-15 degrees to 15 degrees relative to a horizontal plane.
Optionally, the antenna test system further includes:
the control box comprises a power supply connection module, a network cable connection module, a USB connection module, a control signal connection end and a radio frequency connection end, wherein the power supply connection module is used for communicating a power supply with the antenna bearing table and supplying power to the antenna to be tested and the alignment module; the network cable connecting module connects the controller with the antenna turntable through a network end and also connects the signal source with the tested antenna connecting end through the network end; the control signal connecting end is used for communicating the controller with the antenna rotary table; the radio frequency connecting end is used for connecting the tested antenna connecting end with the signal source;
wherein, antenna plummer and loudspeaker plummer setting are in sealed darkroom, at least one control box the controller the signal source, and the frequency spectrograph warp at least one control box sets up outside the darkroom.
A second aspect of the present application provides a phased array antenna testing method applied to the testing system according to the first aspect, including:
controlling the horn clamp to slide on the slide rail for a first distance through a controller of the test system so that the alignment ray emitted by the alignment module is opposite to and matched with the horn clamp in the direction;
the controller controls the antenna turntable to rotate on a first plane parallel to a horizontal plane by taking a rotating shaft of the antenna turntable as a center according to a first step length within a first angle range, and a preset signal sent by an antenna to be tested on the antenna fixture is obtained in a direction corresponding to the plane angle through a loudspeaker on the loudspeaker fixture once the antenna turntable rotates, so that a receiving signal corresponding to each plane angle within the first angle range is obtained;
and analyzing the received signals corresponding to each plane angle respectively through a frequency spectrograph to obtain the test result of the antenna to be tested.
Optionally, when the antenna fixture bottom still is provided with four at least linkage motors, obtain with every planar angle in the first angle scope corresponds received signal respectively, include:
the controller controls the antenna turntable to rotate in a second angle range on a second plane perpendicular to the horizontal plane according to a second step length, a preset signal sent by the antenna to be tested is acquired once in a direction corresponding to the vertical angle through a loudspeaker on the loudspeaker clamp every time the antenna turntable rotates once, and a received signal corresponding to each vertical angle in the second angle range is acquired, wherein the plane angle of the projection of the second plane on the horizontal plane relative to the center is A;
and taking the received signal corresponding to each vertical angle in the second angle range as the received signal corresponding to the A plane angle.
Optionally, the rotating shaft of the antenna fixture is used as a center of a circle, the first angle range is an angle range from-90 degrees to 90 degrees, and the second angle range is an angle range from-15 degrees to 15 degrees.
One or more technical solutions provided in the embodiments of the present application have at least the following technical effects or advantages:
according to the technical scheme in the embodiment of the application, the antenna bearing platform comprising the antenna rotary table and the horn bearing platform comprising the linear type slide rail are respectively arranged, the antenna clamps capable of clamping multiple sizes are respectively arranged on the antenna rotary table, the horn clamps capable of fixing multiple types of horns are arranged on the slide rail, and therefore automatic rapid alignment between multiple different types of antennas to be measured and the corresponding horns can be achieved through the controller under the calibration effect of the alignment module. And the test of various antennas can be automatically completed through auxiliary equipment such as a signal source, a frequency spectrograph and the like of the system. Therefore, the antenna test system has the technical effects of improving the applicability of the antenna test system and improving the antenna test efficiency.
Drawings
Fig. 1 is a structural diagram of a phased array antenna test system according to an embodiment of the present invention;
fig. 2 is a flowchart of a phased array antenna testing method according to an embodiment of the present invention;
fig. 3 is a three-dimensional structure diagram of a control box provided by the embodiment of the present invention;
fig. 4 is the embodiment of the present invention provides a structure diagram for two control boxes respectively used in an indoor antenna testing system device and an outdoor antenna testing system device.
Detailed Description
The application provides a phased array antenna test system for solve the testing tool and the test platform that often can only adopt manpower difference erection joint looks adaptation to the antenna of difference that exists among the prior art, when debugging under the darkroom condition, the cable of multiple different testing tool and test platform is complicated, and the installation and debugging is loaded down with trivial details, seriously influences antenna efficiency of software testing's technical problem.
In order to solve the technical problems, the general idea of the embodiment of the application is as follows:
according to the technical scheme in the embodiment of the application, the antenna bearing platform comprising the antenna rotary table and the horn bearing platform comprising the linear type slide rail are respectively arranged, the antenna clamps capable of clamping multiple sizes are respectively arranged on the antenna rotary table, the horn clamps capable of fixing multiple types of horns are arranged on the slide rail, and therefore automatic rapid alignment between multiple different types of antennas to be measured and the corresponding horns can be achieved through the controller under the calibration effect of the alignment module. And the test of various antennas can be automatically completed through auxiliary equipment such as a signal source, a frequency spectrograph and the like of the system. Therefore, the antenna test system has the technical effects of improving the applicability of the antenna test system and improving the antenna test efficiency.
The technical solutions of the present application are described in detail below with reference to the drawings and specific embodiments, and it should be understood that the specific features in the embodiments and examples of the present application are detailed descriptions of the technical solutions of the present application, and are not limitations of the technical solutions of the present application, and the technical features in the embodiments and examples of the present application may be combined with each other without conflict.
The term "and/or" herein is merely an association describing an associated object, meaning that three relationships may exist, e.g., a and/or B, may mean: a exists alone, A and B exist simultaneously, and B exists alone. In addition, the character "/" herein generally indicates that the former and latter related objects are in an "or" relationship.
Example one
Referring to fig. 1, a phased array antenna testing system according to an embodiment of the present application includes an antenna carrier 10 and a horn carrier 11, and includes:
the antenna clamp 101 is arranged on the antenna bearing table and comprises a tested antenna connecting end, and the antenna clamp is used for clamping and fixing the tested antenna and is connected with the tested antenna through the tested antenna connecting end; the antenna clamp can adopt an elastic clamp, such as a bolt type clamp, a spring type clamp and other clamps with adjustable sizes, so that the antenna clamp can be suitable for testing antennas with different sizes;
the antenna turntable 102 is arranged on the antenna bearing table, is connected with the antenna clamp, and can be used for driving the antenna clamp to rotate circumferentially on a horizontal plane;
the alignment module 103 is fixedly arranged on the antenna clamp and used for emitting an alignment ray matched with the main beam direction of the antenna to be detected; since the alignment module can be various devices in practical operation, such as a ray emitting device, an electromagnetic wave emitting device,
the loudspeaker clamp 104 is arranged at the top of the loudspeaker bearing table and comprises a loudspeaker access end used for clamping a loudspeaker and enabling the section of a signal receiving cavity opening of the loudspeaker to be vertical to the horizontal plane, wherein each loudspeaker clamp is used for clamping the loudspeaker receiving a radio frequency signal, and is connected with the loudspeaker correspondingly clamped through the loudspeaker access end; therefore, the test system in the technical scheme of the application can test different types of antennas through different test horns;
the slide rail 105 is arranged at the bottom of the horn bearing table and is in sliding connection with the at least one type of horn clamp through a rail, and the rail of the slide rail is horizontally linear;
the controller 106 is connected with the antenna turntable and the slide rail and is used for controlling the circumferential rotation angle of the antenna turntable and the sliding distance of the horn clamp;
the signal source is connected with the antenna to be tested through the connecting end of the antenna to be tested and used for providing a preset signal radiated and output through the antenna to be tested;
and the frequency spectrograph is connected with the horn clamp and used for analyzing the radiation signals received by the horn and corresponding to the preset signals.
The alignment module in the embodiment of the present application is specifically a laser pointer and/or an infrared module. When actual installation and debugging, can be with the fixed back of antenna plummer, select the fixed mode of loudspeaker plummer as: the straight line of the slide rail is perpendicular to the connecting line of the central lines of the antenna bearing table and the horn bearing table, and meanwhile, the section of the signal receiving cavity opening of the test horn clamped on the horn clamp is parallel to the slide rail and faces the direction of the antenna bearing table. Then according to the light ray emitted by the laser pen or the infrared module, the horizontal alignment of the antenna and the test horn and the relative condition of the signal transmitting and receiving directions are observed by naked eyes or instruments, so that the sliding distance of the horn clamp can be further controlled by a controller, the rotating angle of the antenna clamp on the horizontal plane is adjusted, the signal receiving cavity opening of the horn is linearly opposite to the signal receiving and transmitting directions of the antenna under the calibration effect of the alignment ray, and the test effect is ensured and the test precision is improved. Furthermore, the signal provided by the signal source radiated by the antenna to be tested can be analyzed through testing equipment such as a frequency spectrometer and the like, and then the received radiation signal and the preset signal provided by the signal source are automatically analyzed and matched, so that the overall test of the antenna to be tested is realized. Of course, in the actual operation process, the automatic analysis matching function can be realized by connecting the controller with the spectrometer, and the user can set the automatic analysis matching function according to the requirement.
Meanwhile, the antenna test system in the embodiment of the present application further includes:
and the power supply is connected with the antenna bearing table and used for supplying power to the antenna to be tested and the alignment module. The power source may be a storage battery, or a connector, an interface end, or the like connected to a power supply source, and any device or apparatus that can supply power may be used as the power source.
Furthermore, in the antenna test system in the embodiment of the present application, the bottoms of the antenna bearing table and the horn bearing table are further provided with a lifting device, and the lifting device is specifically an expansion bolt. The lifting device can respectively drive the antenna bearing platform and the horn bearing platform to be lifted. Therefore, the antenna can be adjusted in height after being fixed, or the height of the horn bearing table can be adjusted, so that the antenna and the horn are ensured to be positioned on the same horizontal plane and opposite to the signal transmitting and receiving directions under the indication of aligning rays, and the testing accuracy is improved. Meanwhile, the bottoms of the antenna bearing table and the horn bearing table are also provided with a slide rail device or a pulley device, so that the relative distance between the antenna bearing table and the horn bearing table can be adjusted to be a preset distance, and the test work of the antenna and the horn under different relative distances can be conveniently finished.
Still further, in the antenna test system in this application embodiment, antenna fixture bottom still is provided with four at least linkage motors to make antenna fixture can take place-15 degrees to 15 degrees angle changes for the horizontal plane, can make the signal receiving and dispatching direction of antenna and loudspeaker realize further laminating relatively on the horizontal plane from this, has the technological effect of further promotion antenna test accuracy. In the prior art, the function can be achieved in various ways, for example, the center of the antenna fixture can be fixed on a plane plate of an antenna bearing table through a roller, the at least four linkage motors can be respectively arranged around the four directions of the roller, and each linkage motor is connected with the roller by adopting belts in different directions; of course, four corners of the antenna fixture can be fixed on four vertical slide rails in different directions respectively, each vertical slide rail is connected with different linkage motors through belts or chains, and when each vertical slide rail is located at different heights through the linkage motors, the antenna fixture can be tilted at different angles relative to a horizontal plane, and the like. In the actual operation process, the above functions can be realized in various ways, which are not described herein for the brevity of the description, and the user can set the functions by himself or herself as required.
Referring to fig. 3, the antenna testing system in the present disclosure may further include at least one control box, where the control box includes a power connection module 1071, a network cable connection module 1072, a USB connection module 1073, a control signal connection terminal 1074, and a radio frequency connection terminal 1075, and the power connection module communicates a power supply with the antenna carrying platform to supply power to the antenna to be tested and the alignment module; the network cable connecting module connects the controller with the antenna turntable through a network end and also connects the signal source with the tested antenna connecting end through the network end; the control signal connecting end is used for communicating the controller with the antenna rotary table; the radio frequency connecting end is used for connecting the tested antenna connecting end with the signal source; wherein, antenna plummer and loudspeaker plummer setting are in sealed darkroom, at least one control box the controller the signal source, and the frequency spectrograph warp at least one control box sets up outside the darkroom.
Referring to fig. 4, as a preferred application, the antenna bearing table and the speaker bearing table may be disposed in a closed darkroom environment, that is, the antenna to be tested is placed in a closed environment to perform a test, so as to avoid noise interference or radiation interference in an external space. Specifically, when the system is used, two control boxes are arranged, one control box A can be arranged at a position close to a darkroom but outside the darkroom, and all circuits are connected in a gathering way through the corresponding ports on the control boxes and the circuits of all indoor test equipment, so that the system is convenient to carry, debug and arrange; another control box B may be located adjacent to and connected to the controller, the operation platform, or other remote testing equipment or testing equipment via corresponding interfaces. The two control boxes are connected through corresponding cables, so that the effects of integrating different modules and accommodating different cables can be achieved, corresponding rear-end processing equipment can be connected through different ports on the control boxes conveniently in different distances relative to the test system outside a darkroom, and the technical effects of further improving the applicability and the test efficiency of the test system are achieved.
Therefore, according to the technical scheme in the embodiment of the application, the antenna bearing table comprising the antenna rotary table and the horn bearing table comprising the linear slide rail are respectively arranged, the antenna clamps capable of clamping various sizes are respectively arranged on the antenna rotary table, and the horn clamps capable of fixing various types of horns are arranged on the slide rail, so that automatic rapid alignment between tested antennas of various different types and corresponding horns can be realized through the controller under the calibration effect of the alignment module. And the test of various antennas can be automatically completed through auxiliary equipment such as a signal source, a frequency spectrograph and the like of the system. Therefore, the antenna test system has the technical effects of improving the applicability of the antenna test system and improving the antenna test efficiency.
Example two
Referring to fig. 2, a second embodiment of the present application provides a phased array antenna testing method applied to the testing system according to the first embodiment, including:
step 201: controlling the horn clamp to slide on the slide rail for a first distance through a controller of the test system so that the alignment ray emitted by the alignment module is opposite to and matched with the horn clamp in the direction;
step 202: the controller controls the antenna turntable to rotate on a first plane parallel to a horizontal plane by taking a rotating shaft of the antenna turntable as a center according to a first step length within a first angle range, and a preset signal sent by an antenna to be tested on the antenna fixture is obtained in a direction corresponding to the plane angle through a loudspeaker on the loudspeaker fixture once the antenna turntable rotates, so that a receiving signal corresponding to each plane angle within the first angle range is obtained;
step 203: and analyzing the received signals corresponding to each plane angle respectively through a frequency spectrograph to obtain the test result of the antenna to be tested.
Further, when antenna anchor clamps bottom still is provided with four at least linkage motors, obtain with every planar angle difference of first angular range corresponds received signal includes:
the controller controls the antenna turntable to rotate in a second angle range on a second plane perpendicular to the horizontal plane according to a second step length, a preset signal sent by the antenna to be tested is acquired once in a direction corresponding to the vertical angle through a loudspeaker on the loudspeaker clamp every time the antenna turntable rotates once, and a received signal corresponding to each vertical angle in the second angle range is acquired, wherein the plane angle of the projection of the second plane on the horizontal plane relative to the center is A;
and taking the received signal corresponding to each vertical angle in the second angle range as the received signal corresponding to the A plane angle.
Specifically, the first angle range is an angle range of-90 degrees to 90 degrees, and the second angle range is an angle range of-15 degrees to 15 degrees, with the rotation axis of the antenna fixture as a center.
The first step length can be preset radian and arc length, and can also be a specific unit rotation angle, and a user can set the first step length according to needs during actual operation.
It should be noted that, in the actual operation process, the optimal test distance between the antenna and the speaker that are adapted to each other may be determined according to the type of the antenna or the type of the receiving speaker before the test, and then the relative distance between the antenna carrying table and the speaker carrying table is adjusted to the optimal test distance, so as to obtain the optimal test effect.
Various modifications and embodiments of the phased array antenna test system in the embodiment of fig. 1 are also applicable to the phased array antenna test method in the embodiment, and the implementation method of the phased array antenna test method in the embodiment is clear to those skilled in the art from the foregoing detailed description of the phased array antenna test system, so that the detailed description is omitted here for the sake of brevity.
While the preferred embodiments of the present application have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. Therefore, it is intended that the appended claims be interpreted as including preferred embodiments and all alterations and modifications as fall within the scope of the application.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present application without departing from the spirit and scope of the application. Thus, if such modifications and variations of the present application fall within the scope of the claims of the present application and their equivalents, the present application is intended to include such modifications and variations as well.
Claims (7)
1. The utility model provides a phased array antenna test system, includes antenna plummer and loudspeaker plummer, its characterized in that includes:
the antenna clamp is arranged on the antenna bearing table and comprises a tested antenna connecting end, and the antenna clamp is used for clamping and fixing the tested antenna and is connected with the tested antenna through the tested antenna connecting end;
the antenna turntable is arranged on the antenna bearing table, is connected with the antenna clamp and can be used for driving the antenna clamp to rotate circumferentially on a horizontal plane;
the alignment module is fixedly arranged on the antenna clamp and used for emitting an alignment ray matched with the main beam direction of the antenna to be measured;
the loudspeaker clamp comprises a loudspeaker access end and a loudspeaker clamping end, wherein the loudspeaker clamp is used for clamping a loudspeaker and enabling the section of a signal receiving cavity opening of the loudspeaker to be vertical to the horizontal plane;
the slide rail is arranged at the bottom of the horn bearing table and is in sliding connection with the at least one type of horn clamp through a rail, and the rail of the slide rail is horizontally linear and is vertical to a connecting line of the central lines of the antenna bearing table and the horn bearing table;
the controller is connected with the antenna turntable and the slide rail and used for controlling the circumferential rotation angle of the antenna turntable and the sliding distance of the horn clamp;
the signal source is connected with the antenna to be tested through the connecting end of the antenna to be tested and used for sending a preset signal to the antenna to be tested;
and the frequency spectrograph is connected with the horn clamp and used for analyzing a received signal received by the horn and corresponding to the preset signal.
2. The antenna test system of claim 1, wherein the antenna test system further comprises:
and the power supply is connected with the antenna bearing table and used for supplying power to the antenna to be tested and the alignment module.
3. The antenna test system of claim 1, wherein a lifting device is further disposed at the bottom of the antenna and horn stages for respectively driving the antenna and horn stages to be lifted.
4. The antenna test system of claim 1, wherein a slide rail device or a pulley device is further disposed at the bottom of the antenna bearing table and the horn bearing table.
5. Antenna testing system according to claim 1, characterized in that the alignment module is embodied as a laser pointer and/or an infrared module.
6. The antenna test system of claim 1, wherein at least four linkage motors are further provided at the bottom of the antenna fixture to allow the antenna fixture to undergo an angular change of-15 degrees to 15 degrees with respect to a horizontal plane.
7. The antenna test system of claim 1, wherein the antenna test system further comprises:
the control box comprises a power supply connection module, a network cable connection module, a USB connection module, a control signal connection end and a radio frequency connection end, wherein the power supply connection module is used for communicating a power supply with the antenna bearing table and supplying power to the antenna to be tested and the alignment module; the network cable connecting module connects the controller with the antenna turntable through a network end and also connects the signal source with the tested antenna connecting end through the network end; the control signal connecting end is used for communicating the controller with the antenna rotary table; the radio frequency connecting end is used for connecting the tested antenna connecting end with the signal source;
wherein, antenna plummer and loudspeaker plummer setting are in sealed darkroom, at least one control box the controller the signal source, and the frequency spectrograph warp at least one control box sets up outside the darkroom.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920789386.7U CN210894514U (en) | 2019-05-29 | 2019-05-29 | Phased array antenna test system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920789386.7U CN210894514U (en) | 2019-05-29 | 2019-05-29 | Phased array antenna test system |
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| CN210894514U true CN210894514U (en) | 2020-06-30 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110068738A (en) * | 2019-05-29 | 2019-07-30 | 成都天成电科科技有限公司 | A kind of phased array antenna test macro and antenna test method |
| CN116449062A (en) * | 2023-06-16 | 2023-07-18 | 江苏北斗信创科技发展有限公司 | Beidou antenna test fixture device |
| WO2023216595A1 (en) * | 2022-05-12 | 2023-11-16 | 中兴通讯股份有限公司 | Test system for active antenna |
-
2019
- 2019-05-29 CN CN201920789386.7U patent/CN210894514U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110068738A (en) * | 2019-05-29 | 2019-07-30 | 成都天成电科科技有限公司 | A kind of phased array antenna test macro and antenna test method |
| WO2023216595A1 (en) * | 2022-05-12 | 2023-11-16 | 中兴通讯股份有限公司 | Test system for active antenna |
| CN116449062A (en) * | 2023-06-16 | 2023-07-18 | 江苏北斗信创科技发展有限公司 | Beidou antenna test fixture device |
| CN116449062B (en) * | 2023-06-16 | 2023-08-22 | 江苏北斗信创科技发展有限公司 | Beidou antenna test fixture device |
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