Abstract
In this study, a new approach is presented to detect ground moving targets and estimate their motion parameters for high-resolution and wide-swath (HRWS) synthetic aperture radar (SAR) systems. First, the space-time adaptive processing is adopted for clutter suppression, followed by the traditional SAR imaging and constant-false-alarm-rate detection for obtaining the ambiguous images of ground moving targets. Then, the real targets can be distinguished from all the ambiguous ones based on the space relationship between ambiguous images. Finally, according to the shift amount of moving targets in azimuth, which can be obtained by utilising the range histories of moving targets, the motion parameter can be achieved. The spaceborne HRWS simulation data confirm the validity of the method.
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