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Synthetic aperture radar based ground moving target indicator using symmetrical Doppler rate matched filter pairs

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3 Author(s)

A new scheme for detection of moving targets and estimation of the azimuth velocity components in a single complex-valued synthetic aperture radar (SAR) imagery is presented in this paper based on the symmetric Doppler rate matched (SDRM) filter pairs. An SDRM filter pair processes a given SAR imagery and achieves two defocused SAR images that have the same defocused background but different defocused moving targets, and then by comparing the sharpness of the two images, the moving targets are determined adaptively and automatically. The azimuth velocity estimator utilizes an SDRM filter pair bank to get azimuth velocity of detected targets. Experiments using real SAR data and simulations confirmed the effectiveness of the proposed scheme.

Published in:

Radar Conference (RADAR), 2012 IEEE

Date of Conference:

7-11 May 2012