前视探地雷达三维合成孔径成像及多视处理  

3D SAR Imaging and Multi-Look Processing in Forward-Looking Ground Penetrating Radar

作　　者：樊勇[1,2] 徐嘉莉[3] 周正欧[1] 

机构地区：[1]电子科技大学电子工程学院,成都610054 [2]中国民航总局第二研究所空中交通管制新技术应用实验室,成都610041 [3]成都大学电子信息工程系,成都610106

出　　处：《电子科技大学学报》2010年第1期6-10,共5页Journal of University of Electronic Science and Technology of China

基　　金：国家自然科学基金(60472014);中国民用航空总局专项项目(210710)

摘　　要：提出了一种变波速条件下前视探地雷达三维合成孔径成像及多视处理方法。该方法利用非平稳卷积滤波处理在频率域重构目标图像频谱,经傅里叶反变换后实现前视探地雷达三维合成孔径成像;利用估计的目标入射角实现折射校正及前视探地雷达多视处理。对实测数据进行处理,结果证明了该方法的有效性。This paper presents a 3D SAR imaging and multi-look processing algorithm in the variation of the velocity for the forward-looking ground penetrating radar （FLGPR）. By using nonstationary convolution filter, the spectrum of the refocused image can be reconstructed directly from the spectrum of backscattered signal from the target area and the 3D target image is reconstructed after the inverse Fourier transform. By estimating the incidence angle of target, the refraction correction and the multi-look processing are accomplished. The effectiveness of the approach is demonstrated with experimental data set.

关 键 词：前视探地雷达 目标入射角 多视处理 非平稳滤波 

分 类 号：TN955.1[电子电信—信号与信息处理]