Katherine Kong
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基于射线跟踪法的SAR图像相干仿真与评估
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Affiliation of Author(s):电子信息工程学院

Journal:计算机应用与软件

Key Words:射线跟踪法;SAR图像;相干仿真;仿真逼真度;

Abstract:由于直接根据射线跟踪法进行SAR图像仿真时未考虑周围各点散射量之间的相互影响,提出一种基于射线跟踪法的相干仿真算法并引入四种仿真图像逼真度的评估方法。首先利用射线跟踪法得到成像的幅度矩阵;其次,利用sinc函数旁瓣加权对幅度矩阵进行相干仿真,并引入PCA相似度、SIFT特征匹配率、变化检测率、目标视场比差值来衡量SAR图像仿真逼真度;最后通过仿真SAR图像与实测SAR图像的比对,验证了该相干仿真的图像比射线跟踪法直接成像的图像逼真度要高。

Translation or Not:no

Date of Publication:2017-05-15

Co-author:聂春霞

Correspondence Author:Katherine Kong

Personal information

Associate Professor
Supervisor of Master's Candidates

Gender:Female

Alma Mater:南京航空航天大学

Education Level:南京航空航天大学

Degree:Doctoral Degree in Engineering

School/Department:College of Electronic and Information Engineering

Discipline:Signal and Information Processing

Business Address:电子信息工程学院办公楼328

Contact Information:邮箱:yayako_zy@nuaa.edu.cn QQ:27829342

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