Method for the Three-Dimensional Imaging of a Moving Target Using an Ultra-Wideband Radar with a Small Number of Antennas
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概要
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Ultra wideband (UWB) radar is considered a promising technology to complement existing camera-based surveillance systems because, unlike cameras, it provides excellent range resolution. Many of the UWB radar imaging algorithms are based on large-scale antenna arrays that are not necessarily practical because of their complexity and high cost. To resolve this issue, we previously developed a two-dimensional radar imaging algorithm that estimates unknown target shapes and motion using only three antennas. In this paper, we extend this method to obtain three-dimensional images by estimating three-dimensional motions from the outputs of five antennas. Numerical simulations confirm that the proposed method can estimate accurately the target shape under various conditions.
著者
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Sakamoto Takuya
Department Of Biotechnology Graduate School Of Agricultural And Life Sciences The University Of Toky
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Matsuki Yuji
Department Of Communications And Computer Engineering Graduate School Of Informatics Kyoto Universit
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Sato Toru
Department Of Anatomy School Of Dentistry At Tokyo Nippon Dental University
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