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This paper presents a new algorithm for detection and parameter estimation of moving targets in synthetic aperture radar (SAR) images. The proposed algorithm is capable of detecting targets moving in both range and azimuth directions, and also motion parameter estimation of the detected targets. This new algorithm uses “sub-aperture processing” and “shear averaging algorithm" for detection of range and azimuth direction movements respectively. Detection algorithm is processed in range and azimuth directions independently; therefore, algorithm is suitable for parallel processing. In addition to this property, detection performance and motion parameter estimation accuracy is high because of the non-sequential processing of range and azimuth motion detection. Computer simulations gives promising results of detecting moving targets in all directions and also extracting motion parameters of the detected target.

A NEW METHOD FOR MOVING TARGET DETECTION IN SAR IMAGERY