Hybrid micromotion-scattering center model for synthetic aperture radar micromotion target imaging

查看全文 作　　者：Yuliang [1]Qin;Bin [1]Deng;Zonghui [1]Huang;Wuge [1]Su

机构地区：[1]School of Electronic Science and Engineering,National University of Defense Technology

出　　处：《Journal of Systems Engineering and Electronics》索引2013年第24卷第6期,共7页

基　　金：supported by the National Natural Science Foundation for Young Scientists of China (61101182) 摘　　要：Micromotion is an important target feature,although the target micromotion has an unfavorable influence on the synthetic aperture radar (SAR) image interpretation due to defocusing.This paper introduces micromotion parameters into the scattering center model to obtain a hybrid micromotion-scattering center model,and then proposes an optimization algorithm based on the maximal likelihood estimation to solve the model for jointly obtaining target motion and scattering parameters.Initial value estimation methods using targets’ghost images are then presented to guarantee the global and fast convergence.Simulation results show the effectiveness of the proposed algorithm especially in high precision estimation and multiple targets processing. 关键词：合成孔径雷达散射中心动目标成像微动模型混合最大似然估计优化算法

相关文献

参考文献（19）
引证文献（1）
耦合文献（7）

参考文献(19)

引证文献(1)

耦合文献(7)

互联网出版许可证新出网证(渝)字10号全国400电话 - 免长途话费

Hybrid micromotion-scattering center model for synthetic aperture radar micromotion target imaging

参考文献(19)

引证文献(1)

耦合文献(7)

用户提示