724XD多普勒天气雷达发射机系统故障诊断及检修方法

Fault diagnosis and troubleshooting of 724XD Doppler weather radar transmitter system

文章通过分析724XD多普勒天气雷达发射机系统的组成,将发射机系统分成3部分,并分别介绍了各分系统工作原理及对应器件的功能。结合雷达信号工作流程,提出了724XD多普勒天气雷达发射机系统的故障诊断分析方法,并总结得出该型号雷达发射机系统故障检修流程。在两例故障的检修过程中按照提出的方法和流程对雷达发射机进行了检验和诊断分析,指出合理的诊断方法和判断流程是雷达检修的基本方法,同时指出在实际应用中还需综合考虑,逐级分段进行判断。

By analyzing the composition of 724XD Doppler weather radar transmitter system,the transmitter system is divided into three parts.And the working principle and function of each branch system are introduced.Based on the work flow of radar signal,a fault diagnosis and analysis method of 724XD Doppler weather radar transmitter system is presented.The fault maintenance process of this type of radar transmitter system is summarized.In the process of the two cases of troubleshooting,the inspection and diagnosis analysis are carried out according to the proposed methods and procedures.It is pointed out that the reasonable diagnosis method and judgment flow are the basic methods of radar maintenance.At the same time,it is pointed out that it is necessary to consider comprehensively and judge step by step in practical application.