期刊
PROGRESS IN ELECTROMAGNETICS RESEARCH-PIER
卷 87, 期 -, 页码 279-296出版社
EMW PUBLISHING
DOI: 10.2528/PIER08101202
关键词
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资金
- NSFC [60771042]
- University of China [2007AA12Z159]
- sustentation fund [08ZQ026-039]
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 TWR imaging. 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.
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