ISAR 2-D Imaging of Uniformly Rotating Targets via Matching Pursuit

被引：121
|
作者：
Li, Gang [1 ,3 ]
Zhang, Hao [1 ,3 ]
Wang, Xiqin [1 ,3 ]
Xia, Xiang-Gen [2 ]
机构：
[1] Tsinghua Univ, Dept Elect Engn, Beijing 100084, Peoples R China
[2] Univ Delaware, Dept Elect Comp Engn, Newark, DE 19715 USA
[3] Tsinghua Natl Lab Informat Sci & Technol, Beijing, Peoples R China
来源：
IEEE TRANSACTIONS ON AEROSPACE AND ELECTRONIC SYSTEMS | 2012年 / 48卷 / 02期
基金：
美国国家科学基金会; 中国国家自然科学基金; 新加坡国家研究基金会;
关键词：
SYNTHETIC-APERTURE RADAR; MOTION COMPENSATION; MANEUVERING TARGETS; SIGNAL RECOVERY;
D O I：
10.1109/TAES.2012.6178106
中图分类号：
V [航空、航天];
学科分类号：
08 ; 0825 ;
摘要：
An algorithm based on matching pursuit (MP) is proposed for inverse synthetic aperture radar (ISAR) two-dimensional (2-D) imaging of uniformly rotating targets. The ISAR echo is decomposed into many subsignals that are generated by discretizing spatial domain and synthesizing the ISAR data for every discretized spatial position. The subsignals that indeed contribute to the ISAR echo are selected by the MP, and their coefficients represent the superresolution image. The target rotation rate is estimated by combining MP with maximum contrast search.
引用
收藏
页码：1838 / 1846
页数：9
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