银川机场多普勒雷达二次回波的识别与解除方法

Identification and cancellation method of secondary echo of Doppler radar in Yinchuan Airport

为了解决多普勒雷达的异常回波问题,文章重点介绍了银川河东机场2022-07-04出现的异常回波及二次回波的产生机制,并对此次回波进行了分析识别;总结了批处理法去距离折叠和相位编码法去距离折叠的原理和优缺点。研究结果旨在为雷达的日常维护工作提供支持。

In order to solve the problem of abnormal echoes of Doppler radar,this paper focuses on introducting the generation mechanism of abnormal echo and secondary echo that accurred at Yinchuan Hedong Airport on July 4,2022,and analyzes and identifies the echo.The principles and adventages and disadvantages of batch processing and phase coding method for distance folding are summarized.The research results aime to provide support for the daily maintenance work of radar.