合成孔径雷达实时成像回波数据的生成方法

A Echo Data Simulation Method for Airborne SAR Based on Real-time Imaging

在分析合成孔径雷达成像原理的基础上 ,建立了雷达回波信号模型 ,提出了一种生成回波数据的方法。并利用这种回波数据 ,在奔腾 PC机上实现了机载合成孔径雷达的实时成像软件仿真。该实时成像方法可用于考核合成孔径雷达 ( SAR)实时处理器连续动态成像的性能、如 :实时性图像拼接 ,载机运动补偿等。

The model of radar echo signal is founded based on the analysis of SAR imaging theory in this paper.Thereout,a method used to make SAR echo data is put forward.Then,the software simulation of real time imaging of airborne SAR is completed with this kind of data by Pentium PC.The echo data simulation method can be used to examine the performance of SAR processor in producing continuous dynamic images,connection of realtime images,motion compensation of aircratf,etc.