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Progress In Electromagnetics Research
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APPLICATION OF TRM IN THE UWB THROUGH WALL RADAR

By W. Zheng, Z. Zhao, and Z.-P. Nie

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Abstract:
Time Reversal Mirror (TRM) technique, in the virtue of its high resolution in the heterogeneous media, has been widely applied in the area of acoustics and electromagnetics. In this paper, the technique is developed to imaging targets in the contest of ultra-wideband (UWB) through wall radar (TWR) through numerical simulation. We firstly consider the technique to image targets behind a single-layered wall and then extend to the multi-layered wall. The simulation results have reported the imaging capability of the algorithm and its powerful use for TWRimaging. For concerning the image stability, we investigate the TRM images for the case in which there is a mismatch between the walls associated with the forward and inverse phases of time reversal. The back projection imaging algorithm is compared here at the same time for a contrast of the imaging quality. Finally, some conclusions are drawn.

Citation:
W. Zheng, Z. Zhao, and Z.-P. Nie, "Application of TRM in the UWB through wall radar," Progress In Electromagnetics Research, Vol. 87, 279-296, 2008.
doi:10.2528/PIER08101202
http://www.jpier.org/PIER/pier.php?paper=08101202

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