太赫兹孔径编码成像研究综述
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国防科学技术大学电子科学与工程学院,国防科学技术大学电子科学与工程学院,国防科学技术大学电子科学与工程学院,国防科学技术大学电子科学与工程学院,国防科学技术大学电子科学与工程学院,国防科学技术大学电子科学与工程学院

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国家自然科学基金(61302148,61571011)


Review of terahertz coded-aperture imaging
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School of Electronic Science and Engineering,National University of Defense Technology,School of Electronic Science and Engineering,National University of Defense Technology,School of Electronic Science and Engineering,National University of Defense Technology,School of Electronic Science and Engineering,National University of Defense Technology,School of Electronic Science and Engineering,National University of Defense Technology,School of Electronic Science and Engineering,National University of Defense Technology

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    摘要:

    太赫兹孔径编码成像借鉴了光学孔径编码成像和微波关联成像的基本原理, 通过反射式天线等技术改变目标区域太赫兹波等效空间幅相分布来实现高分辨成像, 具有高帧率、高分辨、前视凝视等诸多优势, 是太赫兹雷达的重要发展趋势之一.介绍了太赫兹孔径编码成像提出的背景, 系统阐述了其原理、现状、实现方式、关键问题, 指出了其在末制导、安检反恐等领域广阔的应用前景, 以期为推动太赫兹孔径编码成像和新体制太赫兹雷达研究提供一定的借鉴.

    Abstract:

    Terahertz coded-aperture imaging is a novel imaging technique which follows the basic principles of optical coded-aperture imaging and microwave coincidence imaging. It is based on the modulation of the effective terahertz-wave spatial distribution, either amplitude or phase, over the illuminated area. The wave spatial distribution or illumination pattern is usually obtained by a reflecting antenna. Terahertz coded-aperture imaging has some significant advantages such as high frame rate, high resolution, and the ability of forward looking and staring imaging. Hence it has been regarded as one of the most important development trends of terahertz radars. In this paper, we at first introduce the proposition background of this new technique, and then expound its principles, research states of the art, an implementable setup and the key problems. Finally, the application fields including missile terminal seeking and security as well as anti-terrorism are discussed. We hope that this paper can provide some positive guidance for the study of terahertz coded-aperture imaging and the corresponding new terahertz radar.

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邓 彬,陈 硕,罗成高,秦玉亮,王宏强,黎 湘.太赫兹孔径编码成像研究综述[J].红外与毫米波学报,2017,36(3):302~310]. DENG Bin, CHEN Shuo, LUO Cheng-Gao, QIN Yu-Liang, WANG Hong-Qiang, LI Xiang. Review of terahertz coded-aperture imaging[J]. J. Infrared Millim. Waves,2017,36(3):302~310.]

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  • 收稿日期:2016-03-10
  • 最后修改日期:2016-12-06
  • 录用日期:2016-12-14
  • 在线发布日期: 2017-06-20
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