某型飞机机载气象雷达自动测试系统设计

Design of Automatic Test System for an Airplane Weather Radar

该文构建了基于VXI+GPIB总线技术的机载气象雷达自动测试系统,给出了系统的硬件、软件设计方案,实现了对某型机载气象雷达3个LRU的自动测试和故障诊断,综合采用面向信号测试技术、智能故障诊断技术,解决了机载气象雷达的测试画面采样与生成、收发机微波信号测量与模拟、雷达航姿信号模拟等技术难题。

This paper sets up an automatic test system for an airplane weather radar,puts forward the hardware and software design scheme,realizes the automatic test and fault diagnosis of the weather radar’s three LRU,takes use of signal-oriented testing technology and intelligent fault daignosis technology,solves the problem such as testing screen sampling,measurement of microwave signals of transceiver and the simulation of radar navigation attitude.