IMAGE BASED APPROACH FOR TARGET DETECTION AND ROBUST TARGET VELOCITY ESTIMATION METHOD FOR MULTI-CHANNEL SAR-GMTI

被引：4

作者：

Suwa, Kei ^{[1
]}

Takahashi, Ryuhei ^{[1
]}

Wakayama, Toshio ^{[1
]}

Nakamura, Shohei ^{[2
]}

Iwamoto, Masafumi ^{[2
]}

机构：

[1] Mitsubishi Electr Corp, Informat Technol R&D Ctr, Tokyo, Japan

[2] Mitsubishi Electric Corp, Kamakura Works, Tokyo, Japan

来源：

2013 IEEE INTERNATIONAL GEOSCIENCE AND REMOTE SENSING SYMPOSIUM (IGARSS) | 2013年

关键词：

Multi-channel SAR; DPCA; ATI; GMTI; Velocity Estimation; SYNTHETIC-APERTURE RADAR;

D O I：

10.1109/IGARSS.2013.6723210

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

This paper presents new algorithms for moving target detection and velocity estimation for multi-channel SAR (Synthtic Aperture Radar) system. The algorithms are derived as the extensions of conventional DPCA (Displaced Phase Center Antenna) and ATI (Along Track Interferometry) to the multi-channel case. The proposed multi-channel DPCA based on orthogonal projection completely suppresses the static clutter even with the presense of the azimuth ambiguity. The multi-channel ATI utilizes the phase differences of all the pairs of the channels to estimate the target radial velocity. The combination of the two, which we call multi-channel DPCA-ATI, is also proposed as the more robust velocity estimation method.

引用

页码：2035 / 2038

页数：4

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