Laser & Optoelectronics Progress, Volume. 58, Issue 4, 0428002(2021)

Ground Experimental System for Satellite Dynamic Imaging Mode

Mu Yang*, Shaoyuan Cheng, Chengguang Cui, Hongchen Tang, and Zhihao Zhu
Author Affiliations
  • Beijing Institute of Space Mechanics and Electricity, Beijing 100094, China
  • show less
    Figures & Tables(10)
    Schematic diagram of the experimental system. (a) Geometric relationship of the on-orbit imaging; (b) top view
    Relationship between target rotation speed and satellite maneuvering angular speed along flight direction
    Schematic of the ground experiment system
    Static imageing of the target. (a) Design drawing of the target; (b) physical photo corresponding to the dotted frame
    Relationship between dynamic MTF and light intensity
    Dynamic imaging of the target. (a) Change of dynamic MTF with the angular velocity of the target; (b) dynamic image with 128 levels and a rotation speed of 800 (°)/s
    Result of the dynamic imaging. (a) Variation curve of the integration time ; (b) partial images of the target dynamic imaging
    • Table 1. Main parameters of the experimental system

      View table

      Table 1. Main parameters of the experimental system

      Index nameIndex value
      Pixel size of detector/μm7
      Focal length of camera/mm4400
      Camera aperture/mm440
      Focal length of collimator/mm6000
      Collimator aperture/mm600
      Target radius/ mm160
      Spatial frequency of target pair/(lp·mm-1)26.31
      Target rotation speed/[ (°)·s-1]17.9-1791.4
    • Table 2. Linear regions under different parameter combinations

      View table

      Table 2. Linear regions under different parameter combinations

      Speed/[(°)·s-1]326496128
      130180-34290-17160-11445-85
      170720-798210-399140-266105-199
      230780-1482390-741260-494195-370
      7603960-75241980-37621320-2508990-1881
      8004200-79802100-39901400-26601050-1995
    • Table 3. Mean value and standard deviation value of dynamic MTF at different detector stage

      View table

      Table 3. Mean value and standard deviation value of dynamic MTF at different detector stage

      Detector stageMean valueStandard deviation
      320.10240.0120
      640.10540.0173
      960.10000.0124
      1280.09180.0128
    Tools

    Get Citation

    Copy Citation Text

    Mu Yang, Shaoyuan Cheng, Chengguang Cui, Hongchen Tang, Zhihao Zhu. Ground Experimental System for Satellite Dynamic Imaging Mode[J]. Laser & Optoelectronics Progress, 2021, 58(4): 0428002

    Download Citation

    EndNote(RIS)BibTexPlain Text
    Save article for my favorites
    Paper Information

    Category: Remote Sensing and Sensors

    Received: Apr. 26, 2020

    Accepted: Jul. 10, 2020

    Published Online: Feb. 8, 2021

    The Author Email: Yang Mu (yangmu2016@126.com)

    DOI:10.3788/LOP202158.0428002

    Topics