地基气象雷达同频干扰信号产生与回波特征分析

Analysis on the generation and echo characteristics of the same frequency interference signal of ground-based weather radar

文章以两部地基气象雷达为例,分析同频异步干扰和同频同步干扰现象的产生机制,阐述了地基气象雷达的同频异步干扰和同频同步干扰信号特征与气象回波特征,从而达到快速、准确地识别气象雷达同频干扰信号回波,提高气象雷达在业务应用中的效果,也为气象雷达的同频干扰抑制提供更多支持。结合以上内容为进一步深入探讨和研究改进业务气象雷达大气环境电磁干扰的抑制方法夯实业务研究基础。

Taking two ground-based meteorological radars as examples,this paper analyzes the generation mechanism of co-frequency asynchronous interference and co-frequency synchronous interference,and describes the characteristics of co-frequency asynchronous interference,co-frequency synchronous interference signal and meteorological echo of ground-based meteorological radar,so as to quickly and accurately identify the echo of co-frequency interference signal of meteorological radar and improve the effect of meteorological radar in business application,which could provide more support for the suppression of co-frequency interference of meteorological radar,and lay a solid foundation for further study and research on the suppression method of atmospheric environmental electromagnetic interference of operational meteorological radar.