Coherent spatial filtering for SAR detection of stationary targets

被引：0

作者：

Jao, JK ^{[1
]}

Lee, CF ^{[1
]}

Ayasli, S ^{[1
]}

机构：

[1] MIT, Lincoln Lab, Lexington, MA 02173 USA

来源：

IEEE TRANSACTIONS ON AEROSPACE AND ELECTRONIC SYSTEMS | 1999年 / 35卷 / 02期

关键词：

D O I：

暂无

中图分类号：

V [航空、航天];

学科分类号：

08 ; 0825 ;

摘要：

Analysis of UHF synthetic aperture radar (SAR) images has revealed a spatially correlated phase structure over a resolved target such as a long wire or a large truck. This phase variation, approximated by a simple, range-dependent factor 4 pi r/lambda, results in a line-shaped Image spatial spectrum. Such image phase and spectral features can be exploited by coherent spatial filtering to improve target-to-clutter ratios of large targets and stationary target detectability in a strong clutter environment.

引用

页码：614 / 626

页数：13

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