Antenna testing system, method and device based on mechanical arm

Abstract

The invention belongs to the technical field of antenna microwaves, and discloses an antenna testing system, method and device based on a mechanical arm. The system is used for testing a to-be-testedantenna 6, and comprises an antenna erecting platform 1, a mechanical arm 2, a mechanical arm control cabinet 5, a testing probe 7, d a vector analyzer 8, and a cooperative control cabinet 10. The cooperative control cabinet 10 is used for receiving a working instruction of a data processing subsystem, converting the working instruction into a timing control time sequence and outputting the timingcontrol time sequence to the mechanical arm control cabinet 5 and the vector analyzer 8; and the data processing subsystem cooperates with the mechanical arm control cabinet 5, the vector analyzer 8and the cooperative control cabinet 10 to complete positioning of test sampling points and acquisition of microwave signals of the test sampling points. According to the invention, near-field, medium-field and far-field tests of the to-be-tested antenna can be realized, and high-precision, high-efficiency, multi-mode, programmable and low-cost directional diagram test requirements required by millimeter wave frequency band antennas and arrays are met.

Description

technical field [0001] The invention belongs to the field of antenna microwave technology, and in particular relates to an antenna test, method and device based on a mechanical arm. Background technique [0002] With the continuous development of application requirements, electronic systems using millimeter wave frequency bands for radar detection and communication are increasing. Such electronic systems often use passive or active antennas to support their high performance requirements. How to quickly and accurately test and evaluate the performance of such millimeter-wave antennas has become a difficult problem to be solved in the current antenna test research. [0003] Traditionally, the directivity performance test of the independent line unit is mainly carried out through the far-field test method. In the millimeter wave band, the far-field distance of such small antennas is generally tens of centimeters. In recent years, with the development of chip and packaging tec...

AI Technical Summary

Problems solved by technology

However, the movement and stop of the multi-axis collaborative manipulator needs to be coordinated with the radio frequency acquisition of the high-frequency millimeter-wave antenna test system, otherwise the time when the multi-axis collaborative manipulator reaches the sampling point is different from the time when the radio frequency system collects the sampling point , so that the position of the multi-axis collaborative manipulator does not match the position of the sampling point that the manipulator should reach when the radio frequency system is collecting, resulting in inaccurate test results

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