FMCW SAR频率变标算法研究  

Research on Frequency Scaling Algorithm for FMCW SAR

作　　者：王颖[1,2] 曲长文[1] 陈波涛[2] 周强[1] 

机构地区：[1]海军航空工程学院 [2]中国人民解放军63891部队

出　　处：《上海航天》2010年第6期42-45,共4页Aerospace Shanghai

基　　金：中国博士后科学基金(2005037772)

摘　　要：根据调频连续波合成孔径雷达(FMCW SAR)的特点及其信号模型,研究了频率变标算法在FMCWSAR成像中的成像方法,给出了频率变标处理距离单元徙动(RCM)中的校正压缩处理,以及算法的流程。点目标仿真结果证实算法有效。According to the characteristics of the frequency modulated continuous wave（FMCW） synthetic aperture radar（SAR） and its signal model,the imaging method of the frequency scaling algorithm in FMCW SAR was researched in this paper.The correction compress treatment for the range migration in the algorithm was given out,and so was the flowchart of the algorithm.The simulation results of some point target showed that this algorithm was effective.

关 键 词：合成孔径雷达 调频连续波 频率变标算法 成像 

分 类 号：TN958[电子电信—信号与信息处理]