Abstract
The technique of moving target detection is more important in surveillance and detection. Both the along-track interferometry (ATI) and displaced phase center antenna (DPCA) techniques can estimate the position and radial velocity of moving target; however they are used in different circumstance. In the paper we compare the detection performance of slow ground moving target using ATI and DPCA technique for the new model of distributed space-borne SAR in detail. And provide a method of hybrid ATI and DPCA technique to detect moving target. Some typical computer simulation results are presented which illustrate the problem convincingly
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