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Acta Optica Sinica, Volume. 40, Issue 17, 1729001(2020)

Multivariate Models of Satellite Optical-Scattering Characteristics

Feng Zhang1、*, Yue Li1, Can Xu2、**, and Shuang Zhao1
Author Affiliations
  • 1No. 32032 of the Chinese People's Liberation Army, Beijing 100000, China
  • 2Space Engineering University, Beijing, 101416, China
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    AbstractGet PDF(in Chinese)
    Figures&Tables (11)
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    References (14)
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    Figures & Tables(11)
    Variation curve of BRDF and exit angle

    Fig. 1. Variation curve of BRDF and exit angle

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    Variation curve of specular reflection angle width and incident angle

    Fig. 2. Variation curve of specular reflection angle width and incident angle

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    Magnitude curve under incident angle of 30°

    Fig. 3. Magnitude curve under incident angle of 30°

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    Schematic of 3D satellite model

    Fig. 4. Schematic of 3D satellite model

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    Reflection diagram of mirror reflection component

    Fig. 5. Reflection diagram of mirror reflection component

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    Comparison of simulation calculation results andmeasured data of mirrorless components

    Fig. 6. Comparison of simulation calculation results andmeasured data of mirrorless components

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    Absolute error of mirrorless components

    Fig. 7. Absolute error of mirrorless components

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    Comparison of simulation calculation results and measured data of adding mirror reflection components

    Fig. 8. Comparison of simulation calculation results and measured data of adding mirror reflection components

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    Absolute error of adding mirror reflection components

    Fig. 9. Absolute error of adding mirror reflection components

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    • Table 1. Improved Phong model parameters for some satellite surface materials

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      Table 1. Improved Phong model parameters for some satellite surface materials

      Material nameρdρsαabSatellite component
      GaSa0.046022.13321994.42282.21042.0466Solar panel
      Anodized mirror0.03583.843135232.16702.67370.0328Mirror
      White paint0.29285.1911811.83112.52700.4663Antenna
      Al0.07748.7556389.993616878.00004.4520Metal connector

    • Table 2. Parameters associated with target appearance

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      Table 2. Parameters associated with target appearance

      Time /s(xM,yM,zM)(θy,θx) /(°)Size /(m×m)
      59.6(0.1304, -0.0209, 0.9912)(1.2105, 7.4948)0.20×0.20
      72.4(0.0591, -0.07435, 0.9954)(4.2714, 3.3879)0.15×0.15
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    Feng Zhang, Yue Li, Can Xu, Shuang Zhao. Multivariate Models of Satellite Optical-Scattering Characteristics[J]. Acta Optica Sinica, 2020, 40(17): 1729001

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    Paper Information

    Category: Scattering

    Received: Apr. 29, 2020

    Accepted: May. 29, 2020

    Published Online: Aug. 26, 2020

    The Author Email: Zhang Feng (1908343874@qq.com), Xu Can (452394317@qq.com)

    DOI:10.3788/AOS202040.1729001

    Topics

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