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Chinese Journal of Lasers, Volume. 46, Issue 6, 0614014(2019)

Design Method of Arc Multiple-Input Multiple-Output Array for Terahertz Imaging

Yang Yu1,2, Lingbo Qiao2, Yan You2, and Ziran Zhao1,2、*
Author Affiliations
  • 1 Department of Engineering Physics, Tsinghua University, Beijing 100084, China
  • 2 National Engineering Laboratory for Dangerous Articles and Explosives Detection Technologies, Tsinghua University, Beijing 100084, China
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    Schematic of arc MIMO array imaging model

    Fig. 1. Schematic of arc MIMO array imaging model

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    Topologies of arc MIMO arrays with 50 transmitters and 60 receivers as well as their equivalent arrays

    Fig. 2. Topologies of arc MIMO arrays with 50 transmitters and 60 receivers as well as their equivalent arrays

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    PSF for MIMO array 2 and its equivalent array (d=0.35 m, f=140 GHz)

    Fig. 3. PSF for MIMO array 2 and its equivalent array (d=0.35 m, f=140 GHz)

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    Azimuthal imaging results of multiple points for arc MIMO array. (a) Points located at (0.1,π/2),(0.1,π/2-0.012); (b) points located at (0.1,π/2), (0.1,π/2-0.009); (c) points located at (0.1,π/2), (0.1,π/2-0.006)

    Fig. 4. Azimuthal imaging results of multiple points for arc MIMO array. (a) Points located at (0.1,π/2),(0.1,π/2-0.012); (b) points located at (0.1,π/2), (0.1,π/2-0.009); (c) points located at (0.1,π/2), (0.1,π/2-0.006)

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    Imaging results of points located at different imaging radii for arc MIMO array and its equivalent array. (a) Point located at (0.12,π/2); (b) point located at (0.16,π/2); (c) point located at (0.20,π/2)

    Fig. 5. Imaging results of points located at different imaging radii for arc MIMO array and its equivalent array. (a) Point located at (0.12,π/2); (b) point located at (0.16,π/2); (c) point located at (0.20,π/2)

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    Layouts of MIMO imaging systems. (a) Arc MIMO array; (b) linear MIMO array

    Fig. 6. Layouts of MIMO imaging systems. (a) Arc MIMO array; (b) linear MIMO array

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    Simulation imaging results of two MIMO arrays based on FEKO. (a) Arc MIMO array; (b) linear MIMO array

    Fig. 7. Simulation imaging results of two MIMO arrays based on FEKO. (a) Arc MIMO array; (b) linear MIMO array

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    Yang Yu, Lingbo Qiao, Yan You, Ziran Zhao. Design Method of Arc Multiple-Input Multiple-Output Array for Terahertz Imaging[J]. Chinese Journal of Lasers, 2019, 46(6): 0614014

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    Paper Information

    Category: terahertz technology

    Received: Jan. 24, 2019

    Accepted: Mar. 1, 2019

    Published Online: Jun. 14, 2019

    The Author Email: Zhao Ziran (zhaozr@mail.tsinghua.edu.cn)

    DOI:10.3788/CJL201946.0614014

    Topics

    laser devices and laser physics
    Lasers and Laser Optics
    Laser physics
    laser manufacturing
    Instrumentation, Measurement and Metrology