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Considering the requirement of portability, the number of antennas used for the portable ultra-wideband (UWB) through wall imaging radar (TWIR) is limited. It is faced with challenges to take full advantage of antennas to obtain the optimal performance. In this paper, we study three kinds of array configuration modes (STR, SSIMO and MIMO) and compare their imaging performance based on two criterions...
The multipath ghosts generated by the coupling of walls and targets in through-the-wall radar imaging are false positives and therefore confusable with genuine targets. Here we establish a multipath model which associates each multipath ghost back to its corresponding true target location, Virtual aperture radar system is considered, which has many advantages over traditional synthetic aperture radar...
Back Projection imaging algorithm, whose low efficiency reduces its applications in practical projects, could work with highly nonuniform apertures. According to this reason, many scholars have presented some Fast Back Projection algorithms based on sub-aperture method. But how to compensate the motion error after sub-aperture dividing is awaited for further studying. The motion compensation method...
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