Fast and Accurate 3-D Imaging Algorithm with Linear Array Antennas for UWB Pulse Radars

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  • KIDERA Shouhei
    Department of Communications and Computer Engineering, Graduate School of Informatics, Kyoto University The Institute of Electronics, Information and Communication Engineers
  • KANI Yusuke
    Department of Communications and Computer Engineering, Graduate School of Informatics, Kyoto University The Institute of Electronics, Information and Communication Engineers
  • SAKAMOTO Takuya
    Department of Communications and Computer Engineering, Graduate School of Informatics, Kyoto University The Institute of Electronics, Information and Communication Engineers
  • SATO Toru
    Department of Communications and Computer Engineering, Graduate School of Informatics, Kyoto University The Institute of Electronics, Information and Communication Engineers

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Description

Pulse radars with UWB signals are promising as a high-resolution imaging technique that can be used for the non-destructive measurement of surface details in industrial products such as antennas and aircraft. We have already proposed a fast 3-D imaging algorithm, SEABED, that utilizes a reversible transform between the time delay and the target boundary. However, data acquisition is time-consuming when obtaining an accurate image because it assumes a mono-static radar with 2-D scanning of an antenna. In this paper, we utilize linear array antennas and propose a fast and accurate imaging algorithm. We extend the reversible transform for mono-static radars to apply to bi-static radars to reduce the data acquisition time. The effectiveness of the proposed method is verified with numerical simulations and experiments.

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