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Acta Optica Sinica, Volume. 42, Issue 6, 0628001(2022)

On-Orbit Radiometric Calibration Method of Optical Remote Sensor in Complex Environment

Shiwei Bao1,2, Hongyao Chen1、*, Liming Zhang1, Wenxin Huang1, Xiaolong Si1, Chao Zhang3, and Zhuo Chen3
Author Affiliations
  • 1Key Laboratory of Optical Calibration and Characterization, Anhui Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Hefei, Anhui 230031, China
  • 2University of Science and Technology of China, Hefei, Anhui 230026, China
  • 3Beijing Institute of Remote Sensing Information, Beijing 100192, China
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    Figures&Tables (6)
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    Atmospheric optical thickness measured by solar radiometer at Dunhuang site on August 24, 2020 (overhead time is 15:49)

    Fig. 1. Atmospheric optical thickness measured by solar radiometer at Dunhuang site on August 24, 2020 (overhead time is 15:49)

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    Atmospheric optical thickness measured by solar radiometer at Beijing site on September 2, 2020 (overhead time is 14:11)

    Fig. 2. Atmospheric optical thickness measured by solar radiometer at Beijing site on September 2, 2020 (overhead time is 14:11)

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    Digital number-reflectance fitting curves of targets at Dunhuang site on August 24, 2020

    Fig. 3. Digital number-reflectance fitting curves of targets at Dunhuang site on August 24, 2020

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    Digital number-reflectance fitting curves of targets at Beijing site on September 2, 2020

    Fig. 4. Digital number-reflectance fitting curves of targets at Beijing site on September 2, 2020

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    DGR comparison at Dunhuang site on August 24, 2020

    Fig. 5. DGR comparison at Dunhuang site on August 24, 2020

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    • Table 1. Comparison of calibration coefficients obtained by different methods

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      Table 1. Comparison of calibration coefficients obtained by different methods

      SiteDateBandCalibration coefficient obtained by reflectance-based methodCalibration coefficient obtained by improved irradiance-based methodRelative deviation /%
      DunhuangAugust 24, 2020Band112.14312.3461.7
      Band216.58616.9432.1
      Band315.72216.2653.4
      Band426.48727.1292.4
      BeijingSeptember 2, 2020Band1--12.025-1.0
      Band2--16.008-3.5
      Band3--15.9161.2
      Band4--26.9411.7
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    Shiwei Bao, Hongyao Chen, Liming Zhang, Wenxin Huang, Xiaolong Si, Chao Zhang, Zhuo Chen. On-Orbit Radiometric Calibration Method of Optical Remote Sensor in Complex Environment[J]. Acta Optica Sinica, 2022, 42(6): 0628001

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    Paper Information

    Category: Remote Sensing and Sensors

    Received: Jul. 21, 2021

    Accepted: Aug. 31, 2021

    Published Online: Mar. 8, 2022

    The Author Email: Chen Hongyao (hychen@aiofm.ac.cn)

    DOI:10.3788/AOS202242.0628001

    Topics

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