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

页码：348 / 352

页数：5

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