Infrared and Laser Engineering, Volume. 48, Issue 1, 125005(2019)

Terahertz holographic radar speckle suppression method based on multi-look correction of correlation angle

Jing Wen1, Cui Zhenmao2, Cheng Binbin2, Jiang Ge1, and Zhang Jian1,2
Author Affiliations
  • 1[in Chinese]
  • 2[in Chinese]
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    References(13)

    [1] [1] Herschel R, Briese G, Lang S A, et al. Focused imaging by geometric optics for real-time passenger screening at sub-millimeter wave frequencies[C]//Microwave Conference, IEEE, 2017: 1549-1552.

    [2] [2] Gao Jingkun, Cui Zhenmao, Cheng Binbin, et al. Fast three-dimensional image reconstruction of a standoff screening system in the terahertz regime[J]. IEEE Transactions on Terahertz Science & Technology, 2018, 8(1): 1-14.

    [3] [3] Sheen D M, Hall T E, Severtsen R H, et al. Active wideband 350 GHz imaging system for concealed-weapon detection[C]//SPIE, 2009, 7309: 73090I.

    [4] [4] Patrick M A. Illumination strategies to reduce target orientation requirements and speckle in millimeter wave imaging[D]. USA: The Ohio State University, 2014.

    [5] [5] Jaeger I, Stiens J, Koers G, et al. Hadamard speckle reduction for millimeter wave imaging[J]. Microwave & Optical Technology Letters, 2006, 48(9): 1722-1725.

    [6] [6] Jaeger I, Stiens J, Zhang Lixiao, et al. Comparison of speckle reduction diversity tools for active millimeter-wave imaging[J]. Journal of the Optical Society of America A Optics Image Science & Vision, 2008, 25(7): 1716-1721.

    [7] [7] Xu Meifang, Ding Junwen, Wang Guanjun, et al. Comparison of laser speckle suppression due to angle diversity[J]. Infrared and Laser Engineering, 2017, 46(8): 0806004. (in Chinese)

    [8] [8] Petkie D T, Holt J A, Patrick M A, et al. Multimode illumination in the terahertz for elimination of target orientation requirements and minimization of coherent effects in active imaging systems[J]. Optical Engineering, 2012, 51(9): 091604.

    [9] [9] Patrick M A, Joye C D, Lucia F C D, Multimode illumination for speckle reduction and angle neutrality in millimeter wave active imaging: range and time-resolved mode averaging[J]. Journal of the Optical Society of America A Optics Image Science & Vision, 2014, 31(10): 2135-2141.

    [10] [10] Patrick M A, Holt J A, Joye C D, et al. Range resolved mode mixing in a large volume for the mitigation of speckle and strategic target orientation requirements in active millimeter-wave imaging[J]. Journal of the Optical Society of America A Optics Image Science & Vision, 2015, 32(4): 637-646.

    [11] [11] Goodman J W. Speckle Phenomena in Optics: Theory and Applications [M]. Englewood: Roberts & Company, 2007.

    [13] [13] Jiang Yanwen, Qin Yuliang, Wang Hongqiang, et al. A side-lobe suppression method based on coherence factor for terahertz array imaging[J]. IEEE Access, 2018, 6: 5584-5588.

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    Jing Wen, Cui Zhenmao, Cheng Binbin, Jiang Ge, Zhang Jian. Terahertz holographic radar speckle suppression method based on multi-look correction of correlation angle[J]. Infrared and Laser Engineering, 2019, 48(1): 125005

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    Paper Information

    Category: THz 技术及应用

    Received: Aug. 10, 2018

    Accepted: Sep. 12, 2018

    Published Online: Apr. 2, 2019

    The Author Email:

    DOI:10.3788/irla201948.0125005

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