基于动态搜零法的天线罩电性能测试系统设计与实现

Design and Implementation of Testing System for Electrical Performance of Radome Based on Dynamic Null-seeking Method

文中叙述了天线罩测试系统的组成,按照电性能参数的测试原理,运用动态搜零的核心算法,以VS2010为开发平台,采用C#编程语言开发了系统软件,分析了系统的关键技术,实现了透过率、瞄准误差的同步测试。测试结果表明:透过率的重复测试精度小于2%,瞄准误差的重复测试精度为0.26′(RMS),测试速度相比静态搜零的方法提高数倍。本系统对天线罩电性能测试具有重要参考意义。

The electrical performance parameters of radome include transmission and bore-sight error.The composition of the testing system is described in this paper.The core algorithm of dynamic null-seeking is used according to the test principle of electrical performance parameters.The system software takes VS2010 as development platform and is developed with C#programming language.The key technology of the system is analyzed.The simultaneous measurement of transmission and bore-sight error is realized.The test results show that the repetition test accuracy of transmission is less than 2%and the repetition test accuracy of bore-sight error is 0.26′(RMS).Compared with the method of static null-seeking,test efficiency has been improved many times.This system has important reference significance for electrical performance test of radome.