• Acta Photonica Sinica
  • Vol. 52, Issue 7, 0712004 (2023)
Yanna ZHANG1,*, Fuxiang GUO2,3, Wei WEI2, and Xin LI2
Author Affiliations
  • 1School of Electrical Engineering,Anhui Polytechnic University,Wuhu 241000,China
  • 2Key Laboratory of Optical Calibration and Characterization,Hefei Institutes of Physical Science,Chinese Academy of Sciences,Hefei 230031,China
  • 3University of Science and Technology of China,Hefei 230026,China
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    DOI: 10.3788/gzxb20235207.0712004 Cite this Article
    Yanna ZHANG, Fuxiang GUO, Wei WEI, Xin LI. Cross Calibration Method Based on the Multi-angle Apparent Reflectance Model[J]. Acta Photonica Sinica, 2023, 52(7): 0712004 Copy Citation Text show less
    Cross calibration principle based on the apparent reflectance model
    Fig. 1. Cross calibration principle based on the apparent reflectance model
    Site map of Libya4
    Fig. 2. Site map of Libya4
    Apparent reflectance of MERSI and MODIS at Libya 4
    Fig. 3. Apparent reflectance of MERSI and MODIS at Libya 4
    Zenith angle and azimuth angle angular deviation of MERSI and MODIS
    Fig. 4. Zenith angle and azimuth angle angular deviation of MERSI and MODIS
    Calibration coefficients of FY3D/MERSI-II
    Fig. 5. Calibration coefficients of FY3D/MERSI-II
    Cross calibration coefficients and relative bias
    Fig. 6. Cross calibration coefficients and relative bias
    MERSI-Ⅱ observation channelMERSI-Ⅱ central wavelength/nmMERSI-Ⅱ spectral bandwidth/nmMODIS observation channelMODIS channel band/nm
    1470503459~479
    2550504545~565
    3650501620~670
    4865502841~876
    61 6405061 628~1 652
    72 1305072 105~2 155
    Table 1. Cross calibration bands of FY3D/MERSI-Ⅱ and AQUA/MODIS

    MERSI-Ⅱ

    observation channel

    MERSI-Ⅱ

    central wavelength/nm

    Mean relative deviation/%Standard deviation/%
    1470-0.091.62
    25501.281.15
    36500.431.29
    48650.461.30
    61 6402.100.99
    72 1300.682.52
    Table 2. Average relative deviation and standard deviation of cross-calibration results
    Yanna ZHANG, Fuxiang GUO, Wei WEI, Xin LI. Cross Calibration Method Based on the Multi-angle Apparent Reflectance Model[J]. Acta Photonica Sinica, 2023, 52(7): 0712004
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