Integrated Clutter Cancellation and High-Resolution Imaging of Moving Targets in Multi-channel SAR

被引：0

作者：

Cristallini, Diego ^{[1
]}

Colone, Fabiola ^{[1
]}

Pastina, Debora ^{[1
]}

Lombardo, Pierfrancesco ^{[1
]}

机构：

[1] Univ Roma La Sapienza, INFOCOM Dept, I-00184 Rome, Italy

来源：

2009 EUROPEAN RADAR CONFERENCE (EURAD 2009) | 2009年

关键词：

SYNTHETIC-APERTURE RADAR;

D O I：

暂无

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：

An integrated clutter cancellation and moving targets focusing scheme is presented for Multi-channel SAR (M-SAR) systems. The integration between the two processing steps is made feasible by performing the clutter cancellation processing in the Doppler frequency domain, and performing the moving target focusing by means of a bank of Chirp Scaling Algorithms (CSA). The integration results efficient from a computational point of view, since the azimuth FFT is common to both the clutter cancellation and the focusing processing. The clutter cancellation step allows to achieve sub-clutter moving targets visibility. The bank of CSA filters, each one matched to a different along-track target velocity component allows to produce a high-resolution image of the target itself. The effectiveness of the proposed technique is shown with reference to a sample M-SAR dataset obtained from a SAREX-92 image.

引用

页码：57 / 60

页数：4

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