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Clutter suppression for short-range ground moving target indication in forward looking airborne radar is a challenging problem because of the range-dependent clutter. If the pulse repetition frequency is chosen so high that radar clutter is range ambiguous, then additional blind velocities at short-range induced by far-range clutter will occur. To eliminate these additional blind velocities, an efficient...
SAR interferometry based on image pairs acquired by different antennas enables the topographic mapping and ground moving target indication. Both the generated DEM accuracy and the clutter suppression performance are determined by the coherence of SAR image pairs. The baseline perpendicular to the SAR trajectory is one of the most important factors that affect the coherence, which varies with the property...
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