CN113533866A - Antenna test and direction demonstration system, antenna test method and antenna direction demonstration method - Google Patents
Antenna test and direction demonstration system, antenna test method and antenna direction demonstration method Download PDFInfo
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- CN113533866A CN113533866A CN202110781896.1A CN202110781896A CN113533866A CN 113533866 A CN113533866 A CN 113533866A CN 202110781896 A CN202110781896 A CN 202110781896A CN 113533866 A CN113533866 A CN 113533866A
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- 238000012360 testing method Methods 0.000 title claims abstract description 122
- 238000000034 method Methods 0.000 title claims abstract description 26
- 238000010998 test method Methods 0.000 title description 3
- 238000005388 cross polarization Methods 0.000 claims description 7
- 230000005855 radiation Effects 0.000 claims description 7
- 238000003384 imaging method Methods 0.000 claims description 3
- 230000008569 process Effects 0.000 abstract description 11
- 230000006870 function Effects 0.000 abstract description 5
- 238000012423 maintenance Methods 0.000 abstract description 4
- 238000005259 measurement Methods 0.000 abstract description 4
- 238000004891 communication Methods 0.000 description 13
- 238000010586 diagram Methods 0.000 description 5
- 238000011161 development Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000969 carrier Substances 0.000 description 1
- 238000013500 data storage Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R29/00—Arrangements for measuring or indicating electric quantities not covered by groups G01R19/00 - G01R27/00
- G01R29/08—Measuring electromagnetic field characteristics
- G01R29/10—Radiation diagrams of antennas
- G01R29/105—Radiation diagrams of antennas using anechoic chambers; Chambers or open field sites used therefor
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B25/00—Models for purposes not provided for in G09B23/00, e.g. full-sized devices for demonstration purposes
Abstract
The application discloses an antenna testing and demonstrating system, an antenna testing method and an antenna pointing demonstrating method; the antenna test and pointing demonstration system comprises a microwave darkroom, a multi-dimensional moving component arranged in the microwave darkroom and an antenna arranged on the multi-dimensional moving component. The antenna test and demonstration system provided by the embodiment of the application is designed aiming at the test and pointing demonstration requirements of the phased array antenna, the complexity of system connection lines is greatly simplified through the application of the array switch, repeated disassembly and connection of cables in the test and pointing demonstration processes are avoided, the convenience in use is realized, and the difficulty of later maintenance is reduced. The system is controlled by adopting special software, the functions of testing and demonstrating are realized, and the far field characteristic measurement of any section of the phased array antenna can be carried out without a special clamp.
Description
Technical Field
The application belongs to the technical field of antennas, and particularly relates to an antenna test and pointing demonstration system, an antenna test method and an antenna pointing demonstration method.
Background
With the rapid development of communication technology, communication equipment has higher and higher performance requirements on antennas, and a high-precision antenna test system becomes a very important factor in the antenna development and production process for accurately measuring performance parameters such as directional patterns, gains and the like of the antennas so as to check whether the antenna performance meets design indexes or judge whether the antenna is qualified in production.
The existing antenna test site is generally designed for the test of a general antenna product. 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 (generally 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.
Due to the electric scanning characteristic of the phased array antenna, the phased array antenna can quickly establish beams, realize the effect of beam tracking, and is suitable for communication between fast moving carriers, such as: aircraft, etc.
However, in the existing antenna testing technology, a large amount of manpower, material resources and time are needed for the measurement of the phased array antenna, and the environment building is complex. Meanwhile, at present, no system capable of directly and visually demonstrating the communication effect of the phased array antenna exists.
Disclosure of Invention
An object of the present application is to solve at least the above problems and/or disadvantages and to provide at least the advantages described hereinafter.
The application provides an antenna test and directional demonstration system, antenna test and directional demonstration system include the microwave darkroom, set up in multidimensional moving part in the microwave darkroom and set up in antenna on the multidimensional moving part.
Optionally, in this embodiment of the present application, the far-field distance corresponding to the microwave dark room is 12 m.
Optionally, in this embodiment of the application, the motion trajectory of the multi-dimensional motion component covers a spherical surface.
Another objective of the present application is to provide an antenna testing method applied to the above antenna testing and pointing demonstration system, the method including: controlling the working state of the antenna in the antenna testing and pointing demonstration system to be a state to be tested; setting test conditions according to the test items, and testing the target indexes; and generating a test chart and a test report according to the test of the target index.
Optionally, in an embodiment of the present application, the testing of the target index includes at least one of: gain, radiation pattern, side lobe level, phase scan direction beam jump, beam width of any power, mean side lobe, zero depth, cross polarization.
Another object of the present application is to provide an antenna pointing demonstration method, which is applied to the above antenna testing and pointing demonstration system, the method includes: controlling the working state of an antenna in the antenna testing and pointing demonstration system to be a state to be demonstrated; selecting a demonstration scene and starting demonstration operation; and outputting a demonstration result through the imaging.
Compared with the prior art, the method has the following beneficial effects:
the antenna test and directional demonstration system provided by the embodiment of the application is designed aiming at the test and directional demonstration requirements of the phased array antenna, the complexity of system connection lines is greatly simplified through the application of the array switch, repeated disassembly and connection of cables in the test and directional demonstration process are avoided, the convenience in use is realized, and the difficulty of later maintenance is reduced. The system is controlled by adopting special software, the functions of testing and pointing demonstration are realized, the far field characteristics of any section of the phased array antenna can be measured without a special clamp, and the communication condition of the two phased array antennas in the pointing demonstration motion process can be simulated. By applying the system, the phased array antenna can be tested more accurately, completely and efficiently, and the communication scene of the phased array antenna can be demonstrated visually.
Additional advantages, objects, and features of the application will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the application.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic diagram of an antenna testing method according to an embodiment of the present application;
fig. 2 is a schematic diagram of an antenna pointing direction demonstration method provided in an embodiment of the present application;
fig. 3 is a schematic structural diagram of an antenna testing apparatus according to an embodiment of the present application;
fig. 4 is a schematic structural diagram of an antenna pointing direction demonstration apparatus according to an embodiment of the present application.
Detailed Description
The present application will now be described in further detail with reference to the accompanying drawings, whereby one skilled in the art can, with reference to the description, make an implementation.
It will be understood that terms such as "having," "including," and "comprising," as used herein, do not preclude the presence or addition of one or more other elements or groups thereof.
The antenna test and directional demonstration system provided by the embodiment of the application is designed aiming at the test and directional demonstration requirements of the phased array antenna, the complexity of system connection lines is greatly simplified through the application of the array switch, repeated disassembly and connection of cables in the test and directional demonstration process are avoided, the convenience in use is realized, and the difficulty of later maintenance is reduced. The system is controlled by adopting special software, the functions of testing and pointing demonstration are realized, the far field characteristics of any section of the phased array antenna can be measured without a special clamp, and the communication condition of the two phased array antennas in the motion process can be simulated and demonstrated. By applying the system, the phased array antenna can be tested more accurately, completely and efficiently, and the communication scene of the phased array antenna can be demonstrated visually.
The technical solution of the present application will be described in detail below with reference to the accompanying drawings and specific embodiments.
The application provides an antenna test and directional demonstration system, and the antenna test and directional demonstration system includes: the microwave darkroom, set up in the multidimensional motion part in the microwave darkroom and set up in the antenna on the multidimensional motion part.
Optionally, in the embodiment of the present application, the antenna testing and pointing demonstration system uses a microwave darkroom as a testing environment, and according to the performance of the antenna, the size of the darkroom is 5m × 5m × 20m, so as to ensure that the far-field distance is 12 m;
optionally, in an embodiment of the present application, the multidimensional movement component is: the motion dimensionality of the industrial robot is six-dimensional, and the motion tracks of the industrial robot can cover a spherical surface so as to simulate a phased array antenna carrier moving at high speed; the system uses 4 industrial robots together, and each robot can fix 5 phased array antennas at most; the robot has high freedom of movement, and can test the directional pattern of any section of the phased array antenna;
optionally, in this embodiment of the present application, the antennas include 6 phased array antennas in total, and one standard gain horn antenna in total.
Optionally, in this embodiment of the present application, the instruments used by the system are 6 frequency spectrometers and a signal source; each phased array antenna is connected with the instrument through an array switch, and channels are switched through the array switch in the testing and pointing demonstration process, so that the cables are prevented from being repeatedly detached and connected in the testing and pointing demonstration process; each phased array antenna corresponds to one frequency spectrograph, and all the phased array antennas are connected with the same signal source; the instrument and the phased array antenna are connected by a low-loss radio frequency cable.
Optionally, in this embodiment of the present application, the phased array antenna is powered by 1 dc power supply, and the meter and the phased array antenna are connected by a power line.
Optionally, in this embodiment of the application, all the meters are disposed inside the darkroom, so that loss of the radio frequency cable and voltage drop caused by the power line are reduced, and meanwhile, wiring is facilitated.
Optionally, in the embodiment of the present application, all the signal sources, the spectrometer, the dc power supply, the phased array antenna, the array switch, the industrial robot, and the like are connected to the switch through the ethernet, and are controlled by the computer located in the control room; and IP frequency bands are divided according to the types and functions of the instruments.
Optionally, in the embodiment of the application, the test software and the demonstration software are used as top-level software of the system to control instruments and devices such as a phased array antenna, a signal source, a frequency spectrograph, a direct-current power supply, the phased array antenna, an array switch and an industrial robot; software independently configures and adjusts amplitude and phase parameters of each channel of the phased array antenna, and can evaluate the communication capacity of different communication modes.
Optionally, in the embodiment of the application, the test software adopts a general programming language to perform programming control on the far-field measurement equipment, controls the motion mode of the robot, controls the state of the instrument, and performs automatic test after a user freely defines a test section; in the test process, when the robot moves to a specified posture, software captures data from the instrument for correlation storage; the data adopts an open data structure and a data storage type, and provides a special or user-defined program to realize the direct access of the data; the test items include: gain, radiation directional diagram, side lobe level, phase scanning direction beam jump degree, beam width of any power, mean side lobe, zero depth, cross polarization and other indexes.
After the test is finished, the test software can graphically display the test result and can realize the display and processing of parameters under various antenna coordinate systems, including Az/El, El/Az, Theta/Phi, Ludwg2, Ludwg3 and the like; and various coordinate systems can be freely switched; a plurality of measurement results can be displayed in one interface at the same time for comparison; the result can be directly output in a chart form and used for generating a test report;
the demonstration software can control the robot to complete translation and rotation actions and simulate an antenna carrier moving at high speed; meanwhile, the wave beam pointing of the phased array antenna is controlled, so that the two phased array antennas in the transmitting state and the receiving state are always kept in communication; since the phased array antenna does not include an algorithm portion, all motion trajectories and pointing controls can be designed according to a pre-specified demonstration scheme.
As shown in fig. 1, the antenna testing method provided in the embodiment of the present application is applied to the antenna testing and pointing demonstration system according to the above embodiment, and the antenna testing method includes the following steps 101 to 103.
And 102, setting test conditions by the antenna test device according to the test items, and testing the target indexes.
And 103, generating a test icon and a test report by the antenna test device according to the test of the target index.
Optionally, in an embodiment of the present application, the testing of the target index includes at least one of: gain, radiation pattern, side lobe level, phase scan direction beam jump, beam width of any power, mean side lobe, zero depth, cross polarization.
Optionally, in this embodiment of the application, the phased array antenna to be measured is fixed to the multidimensional moving component, and connection of all cables and electrification of instruments and equipment are completed.
Optionally, in this embodiment of the present application, a computer is used to configure the operating state of the phased array antenna to the state to be tested.
Alternatively, in the embodiment of the present application, a multidimensional moving member is configured to a test reference state using a computer.
Optionally, in this embodiment of the present application, a computer is used to configure the meter to the operating state to be tested.
Optionally, in this embodiment of the present application, a test condition is set according to a test item, and tests of indexes such as gain, a radiation pattern, a side lobe level, a phase scanning direction beam jump degree, a beam width of any power, a mean side lobe, zero depth, cross polarization, and the like are performed.
Optionally, in this embodiment of the application, a test icon and a test report are generated in the test software.
As shown in fig. 2, the antenna pointing direction demonstration method provided in the embodiment of the present application is applied to the antenna testing and pointing direction demonstration system according to the above embodiment, and the antenna pointing direction demonstration method includes the following steps 201 to 203.
And 203, outputting a demonstration result by the antenna pointing demonstration device through the graph.
Optionally, in this embodiment of the application, the phased array antenna to be measured is fixed to the multidimensional moving component, and connection of all cables and electrification of instruments and equipment are completed.
Optionally, in this embodiment of the present application, a computer is used to configure the operating state of the phased array antenna to the state to be tested.
Alternatively, in the embodiment of the present application, a multidimensional moving member is configured to a test reference state using a computer.
Optionally, in this embodiment of the present application, a computer is used to configure the meter to the operating state to be tested.
Optionally, in the embodiment of the present application, a presentation scene is selected, and presentation is started.
Optionally, in this embodiment of the present application, the presentation result is output graphically.
As shown in fig. 3, an antenna testing apparatus 20 provided in the embodiment of the present application includes: a control module 21, a test module 22 and a generation module 23. The control module 21 is configured to control a working state of an antenna in the antenna testing and pointing demonstration system to be a state to be tested; the test module 22 is configured to set test conditions according to the test items and perform a test on the target index; the generating module 23 is configured to generate a test icon and a test report according to the test of the target index.
In one possible implementation, the testing of the target indicator includes at least one of: gain, radiation pattern, side lobe level, phase scan direction beam jump, beam width of any power, mean side lobe, zero depth, cross polarization.
As shown in fig. 4, the antenna pointing presentation apparatus 30 provided in the embodiment of the present application includes: a control module 31, a selection module 32 and an output module 33. The control module 31 controls the working state of the antenna in the antenna test and pointing demonstration system to be a state to be demonstrated; the selection module 32 selects a demonstration scene and starts demonstration operation; the output module 33 outputs the demonstration result through graphics.
The antenna test and directional demonstration system provided by the embodiment of the application is designed aiming at the test and directional demonstration requirements of the phased array antenna, the complexity of system connection lines is greatly simplified through the application of the array switch, repeated disassembly and connection of cables in the test and directional demonstration process are avoided, the convenience in use is realized, and the difficulty of later maintenance is reduced. The system is controlled by adopting special software, the functions of testing and pointing demonstration are realized, the far field characteristics of any section of the phased array antenna can be measured without a special clamp, and the communication condition of the two phased array antennas in the motion process can be simulated and demonstrated. By applying the system, the phased array antenna can be tested more accurately, completely and efficiently, and the communication scene of the phased array antenna can be demonstrated visually.
Although the embodiments of the present application have been disclosed above, they are not limited to the applications listed in the description and the embodiments. It can be applied in all kinds of fields suitable for the present application. Additional modifications will readily occur to those skilled in the art. Therefore, the application is not limited to the specific details and illustrations shown and described herein, without departing from the general concept defined by the claims and their equivalents.
Claims (9)
1. The antenna test and pointing demonstration system is characterized by comprising a microwave darkroom, a multi-dimensional moving part arranged in the microwave darkroom and an antenna arranged on the multi-dimensional moving part.
2. The antenna testing and pointing demonstration system according to claim 1 wherein the microwave anechoic chamber corresponds to a far field distance of 12 m.
3. The antenna testing and pointing demonstration system according to claim 1 wherein the motion trajectory of the multi-dimensional moving part covers a sphere.
4. An antenna testing method applied to the antenna testing and pointing demonstration system according to any one of claims 1 to 3, the method comprising:
controlling the working state of the antenna in the antenna testing and pointing demonstration system to be a state to be tested;
setting test conditions according to the test items, and testing the target indexes;
and generating a test icon and a test report according to the test of the target index.
5. The method of claim 4, wherein the testing of the target indicator comprises at least one of: gain, radiation pattern, side lobe level, phase scan direction beam jump, beam width of any power, mean side lobe, zero depth, cross polarization.
6. An antenna test apparatus, characterized in that the antenna test apparatus comprises: the device comprises a control module, a test module and a generation module;
the control module is used for controlling the working state of the antenna in the antenna testing and pointing demonstration system to be a state to be tested;
the test module is used for setting test conditions according to the test items and testing the target indexes;
and the generating module is used for generating a test icon and a test report according to the test of the target index.
7. The antenna testing apparatus of claim 6, wherein the testing of the target indicator comprises at least one of: gain, radiation pattern, side lobe level, phase scan direction beam jump, beam width of any power, mean side lobe, zero depth, cross polarization.
8. An antenna pointing demonstration method applied to the antenna testing and pointing demonstration system according to any one of claims 1 to 3, the method comprising:
controlling the working state of an antenna in the antenna testing and pointing demonstration system to be a state to be demonstrated;
selecting a demonstration scene and starting demonstration operation;
and outputting a demonstration result through the imaging.
9. An antenna pointing presentation device, the antenna pointing presentation device comprising: the device comprises a control module, a selection module and an output module;
the control module controls the working state of the antenna in the antenna test and pointing demonstration system to be a state to be demonstrated;
the selection module selects a demonstration scene and starts demonstration operation;
and the output module outputs the demonstration result through imaging.
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| CN202110781896.1A CN113533866A (en) | 2021-07-09 | 2021-07-09 | Antenna test and direction demonstration system, antenna test method and antenna direction demonstration method |
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| CN202110781896.1A CN113533866A (en) | 2021-07-09 | 2021-07-09 | Antenna test and direction demonstration system, antenna test method and antenna direction demonstration method |
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| JP2004023239A (en) * | 2002-06-13 | 2004-01-22 | Advanced Telecommunication Research Institute International | Method for calculating control parameter of array antenna |
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