2-Dimensional Accurate Imaging with UWB Radar Using Indoor Multipath Echoes for a Target in Shadow Regions
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概要
- 論文の詳細を見る
UWB (Ultra Wide-Band) pulse radar is promising for surveillance systems because it has an outstanding high range-resolution. To realize an accurate UWB radar imaging system, we propose a new approach that employs multipath echoes from a target in an indoor environment. Using multipath echoes, the proposed system can accurately estimate images, even for targets in a shadow region where the targets are out of sight of the antenna. We apply a simple interferometry technique using the multiple mirror image antennas generated by multipath propagation. We find that this simple method also produces many undesired false image points. To tackle this issue, we also propose an effective false image reduction algorithm to obtain a clear image. Numerical simulations verify that most of the false image points are removed and the target shape is accurately estimated.
- （社）電子情報通信学会の論文
- 2011-08-01
著者
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Fujita Shuhei
Department Of Pediatric Cardiology Tokyo Women's Medical University
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Sakamoto Takuya
Department Of Biotechnology Graduate School Of Agricultural And Life Sciences The University Of Toky
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Sato Toru
Department Of Anatomy School Of Dentistry At Tokyo Nippon Dental University
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Fujita Shuhei
Department Of Communications And Computer Engineering Graduate School Of Informatics Kyoto University
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SATO Toru
Department of Communications and Computer Engineering, Graduate School of Informatics, Kyoto University
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Fujita Shuhei
Department of Cardiovascular Surgery, Tokyo Medical and Dental University
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