城市场景SAR原始回波模拟方法  

SAR Raw Data Simulator for Urban Area

作　　者：贺知明[1] 周波[1] 

机构地区：[1]电子科技大学电子工程学院,成都610054

出　　处：《系统仿真学报》2008年第22期6100-6102,共3页Journal of System Simulation

摘　　要：基于城市场景是在一随机分布的粗糙电介质地形上放置直立的若干建筑物的假设,建立多重散射模型,采用小面单元分析方法和Kirchhoff近似方法计算散射系数。回波信号模型采用二维FFT实现,最后通过对原始回波成像图形进行分析,表明了该方法的有效性。SAR raw data simulator for urban scene was presented, based on the hypothesis that urban area was a set of dielectric buildings with vertical wall over a random rough dielectric terrain. Facet model and Kirchhoff approach including multiple-scattering effects are also employed for scattering model, while raw signal model using 2-D FFT. Analysis of the image formation of raw signal validates the method.

关 键 词：SAR 小面单元 原始回波数据模拟 城市场景 

分 类 号：TP391.9[自动化与计算机技术—计算机应用技术]