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Laser & Optoelectronics Progress, Volume. 55, Issue 6, 062802(2018)

Two-Dimensional Imaging Experiments in Enhanced Self-Heterodyne Synthetic Aperture Imaging Ladar

Guo Zhang1,2、1; 2; , Jianfeng Sun1、1; , Yu Zhou1、1; , Zhiyong Lu1、1; , Guangyuan Li1,2、1; 2; , Mengmeng Xu1,2、1; 2; , Bo Zhang1,2、1; 2; , Chenzhe Lao1,2、1; 2; , and Hongyu He1,2、1; 2;
Author Affiliations
  • 1 Key Laboratory of Space Laser Communication and Detection Technology, Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Shanghai 201800, China
  • 2 University of Chinese Academy of Sciences, Beijing 100049, China
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    Schematic of enhanced self-heterodyne SAIL

    Fig. 1. Schematic of enhanced self-heterodyne SAIL

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    Structure diagram of built enhanced self-heterodyne SAIL. (a) General view of experimental system; (b) transmitter; (c) heterodyne receiver

    Fig. 2. Structure diagram of built enhanced self-heterodyne SAIL. (a) General view of experimental system; (b) transmitter; (c) heterodyne receiver

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    Reconstructed process of a point target. (a) Quadratic phase in the orthogonal direction of travel; (b) image compressed by a match filter in orthogonal direction of travel; (c) quadratic phase in the travel direction; (d) reconstructed point image by a match filter in travel direction; (e) point spread function in the orthogonal direction of travel; (f) point spread function in the travel direction

    Fig. 3. Reconstructed process of a point target. (a) Quadratic phase in the orthogonal direction of travel; (b) image compressed by a match filter in orthogonal direction of travel; (c) quadratic phase in the travel direction; (d) reconstructed point image by a match filter in travel direction; (e) point spread function in the orthogonal direction of travel; (f) point spread function in the travel direction

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    Reconstruction process of point-array plus sign. (a) Actual image; (b) image compressed by a match filter in orthogonal direction of travel; (c) reconstructed point-array plus image by a match filter in travel direction

    Fig. 4. Reconstruction process of point-array plus sign. (a) Actual image; (b) image compressed by a match filter in orthogonal direction of travel; (c) reconstructed point-array plus image by a match filter in travel direction

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    Reconstruction process of planar point-array airplane. (a) Actual image; (b) reconstructed image

    Fig. 5. Reconstruction process of planar point-array airplane. (a) Actual image; (b) reconstructed image

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    Guo Zhang, Jianfeng Sun, Yu Zhou, Zhiyong Lu, Guangyuan Li, Mengmeng Xu, Bo Zhang, Chenzhe Lao, Hongyu He. Two-Dimensional Imaging Experiments in Enhanced Self-Heterodyne Synthetic Aperture Imaging Ladar[J]. Laser & Optoelectronics Progress, 2018, 55(6): 062802

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    Paper Information

    Category: Remote Sensing and Sensors

    Received: Nov. 9, 2017

    Accepted: --

    Published Online: Sep. 11, 2018

    The Author Email: Jianfeng Sun (sunjianfengs@163.com)

    DOI:10.3788/LOP55.062802

    Topics

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