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Study on UWB Through-wall Radar Antenna Array Configuration and Moving Person Tracking and Imaging Algorithm |
Wu Shi-you①② Tan Kai①② Xu Yan-yun①② Shao Jin-jin①② Chen Chao①② Fang Guang-you① Yin He-jun③ |
①(Institute of Electronics, Chinese Academy of Sciences, Beijing 100190, China)
②(Graduate University, Chinese Academy of Sciences, Beijing 100039, China)
③(Chinese Academy of Sciences, Beijing 100864, China) |
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Abstract The UWB radar is a promising technique in fire rescue operations, police awareness, urban-warfare, life-threatening and other fields for noncontact measurement of the tracking and imaging of moving persons behind walls. Based on the UWB short-pulse through-wall radar, a strategy of the topology of the MIMO array is illustrated and the modified Kirchhoff algorithm is applied to slow-moving persons real-time imaging using a simple but effective imaging procedure. A video-like radar image with 5 Hz imaging rates is provided. Simulation results indicate that the topology of the MIMO array is useful for the through-wall radar system. The laboratory experiments are conducted to validate that the proposed imaging procedure is feasible and effective for slow-moving persons real-time imaging. The reasonable moving target trajectory can be obtained after the tracking and filtering process using the imaging results.
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Received: 23 March 2012
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Corresponding Authors:
Wu Shi-you
E-mail: ahwushiyou@126.com
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