天气雷达回波模拟系统的设计与实现

Design and implementation of the echo signals simulation system of weather radar

天气雷达回波模拟系统能够成功模拟出具有真实天气目标特征的回波信号,利用这种回波信号可以实现在实验室环境中完成本需在外场试验条件下才可以进行的雷达性能测试。首先介绍了天气雷达回波模拟的原理,设计出回波模拟流程图,其次给出了回波模拟硬件平台的设计及模拟软件实现的思路,最后根据真实天气回波的特征等信息生成模拟回波图,并对模拟前后的回波图进行对比分析。

The echo simulation system of weather radar successfully simulates the echo signal which has the real weather targets feature.This echo signal can be used in radar performance measuring under the laboratory conditions.Firstly,the paper introduces the principle of echo signal simulation of weather radar,and gives the design flow chart.Secondly,it presents design ideas of echo simulator hardware platform and software implementation.Finally,the echo simulation images are generated according to real weather echo features information.Besides,the comparison and analysis have processed between before and after echo simulation images.