新一代天气雷达回波数据质量异常的故障分析和排除

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摘要以成都新一代天气雷达(CINRAD/SC)的1次回波减弱故障为例,详细介绍了分析和排除此次典型故障的过程:从回波减弱这一故障现象,逐步检查终端处理软件中信号处理器RVP7的参数设置、接收通道、发射系统,最终确定因发射系统中高功率电源分机故障导致雷达发射功率降低,回波减弱。通过对本次故障的分析和排除,从中总结获得了几点关于雷达维护维修的有益启示。

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	纪奎秀
	郑伟
	彭涛
	宋远红

关键词 ：天气雷达, 回波强度, 信号处理器, 接收通道, 发射系统

Abstract：Taking a fault of echo weaken of Chengdu new generation weather radar (CINRAD/SC) as the example,this paper introduces the procedures how to analyze and troubleshoot the typical faults in detail.From the failure phenomenon of echo weakened,the parameter configuration,receiving channel and transmitting system of RVP7 signal processor in the terminal processing software are gradually checked.The fault of high power supply in transmitting system is finally found out,which leads to the decreasing of radar transmitted power and echoes weaken.Then,some guides about radar repair and maintenance from this process of failure analysis and removing are summarized.

Key words： weather radar echo intensity signal processor receiving channel transmitting system

收稿日期: 2014-03-03

ZTFLH:

TP399

作者简介: 纪奎秀(1976),女,硕士,工程师.研究方向:信号与信息处理.

引用本文:

纪奎秀,郑伟,彭涛,宋远红. 新一代天气雷达回波数据质量异常的故障分析和排除[J]. 气象水文海洋仪器, 2014, 31(4): 117-119. Ji Kuixiu,Zheng Wei,Peng Tao,Song Yuanhong. Fault analysis and troubleshooting for abnormal echo dataof new generation weather radar. Meteorological Hydrological and Marine Instrument, 2014, 31(4): 117-119.

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