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In the through-wall-radar imaging (TWRI), the inaccurate wall positions and the image intensity difference between front wall and back wall caused by unknown wall penetration are serious problems. In this paper, a new algorithm is proposed to solve these problems without knowing relative permittivity of wall in multi-layer condition. XFDTD simulation results prove the new algorithm can correct the...
In the practical application of through-wall-radar imaging, the confronted wall is generally multi-layer and non-homogeneous, which defocuses the target image and displace target away from its true location. Therefore, the algorithm of image auto-focusing with the multi-layer and non-homogeneous wall is proposed in this paper. With respect to multiple array echoes, one best focusing time-delay is...
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