基于Matlab并行计算工具箱的SAR回波数据仿真方法研究  

Research on SAR Echo Data Simulation Method Based on Matlab Parallel Computing Toolbox

作　　者：张章 张磊 ZHANG Zhang;ZHANG Lei(School of Mechanical and Electrical Information,Baoji Vocational and Technical College,Baoji 721000;Product Research Institute of Shaanxi Fenghuo Electronic Co.,Ltd.,Baoji 721000)

机构地区：[1]宝鸡职业技术学院机电信息学院,宝鸡721000 [2]陕西烽火通信集团有限公司产品研究所,宝鸡721000

出　　处：《计算机与数字工程》2022年第4期887-891,共5页Computer & Digital Engineering

基　　金：国家自然科学基金项目(编号:61271143)资助。

摘　　要：论文针对大场景SAR原始回波数据仿真计算量大、耗费时间长、占用内存多等缺点,基于Matlab并行计算工具箱提出了一种将场景分块和数据矩阵分块相结合的并行化计算的仿真方法。分析表明,合理的分块划分可有效地克服内存不足问题,并行化计算能够大大地加快仿真时间。通过计算机仿真,验证了该方法在普通计算机上仿真大场景回波数据是可行的、高效的。To overcome the shortcoming of too much time and memory consumed in the traditional simulation of SAR system,a SAR raw signal fast algorithm is presented in this paper based on the platform of Matlab/DCT.The analysis show that reasonable block the data matrix of SAR raw signal can effectively overcome the problem of insufficient memory.And parallel computing can greatly improve the efficiency of SAR raw signal simulation.The computer simulation confirms the validity and the accuracy of this algorithm.

关 键 词：SAR 回波仿真 并行计算 Matlab/DCT 

分 类 号：TP301.6[自动化与计算机技术—计算机系统结构]