GLRT Detection of Moving Targets via Multibaseline Along-Track Interferometric SAR Systems

被引：40
|
作者：
Budillon, A. [1 ]
Evangelista, A. [2 ]
Schirinzi, G. [1 ]
机构：
[1] Univ Napoli Parthenope, Dipartimento Tecnol, I-80143 Naples, Italy
[2] Univ Cassino, Dipartimento Automaz Elettromagnetismo Ingn Infor, I-03043 Cassino, Italy
来源：
IEEE GEOSCIENCE AND REMOTE SENSING LETTERS | 2012年 / 9卷 / 03期
关键词：
Along-track interferometry (ATI); moving target detection; synthetic aperture radar (SAR);
D O I：
10.1109/LGRS.2011.2168381
中图分类号：
P3 [地球物理学]; P59 [地球化学];
学科分类号：
0708 ; 070902 ;
摘要：
Along-track interferometric synthetic aperture radar systems can be used for ground moving target indication. We analyze a scheme for detecting moving targets with unknown parameters (velocity and signal-to-clutter ratio) and with constant false-alarm rates, based on the generalized likelihood ratio test (GLRT), and adopting a Gaussian model for target and clutter signals. We compare its performance with the one obtained in the ideal case of known target parameters applying the likelihood ratio test (LRT). A closed form for the LRT receiver operating characteristic is derived and used as reference for GLRT performance assessment. The analysis is carried out on simulated TerraSAR-X data.
引用
收藏
页码：348 / 352
页数：5
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