Sifeng ZHU, Mengyao ZHU, Lili QIE, Hua XU, Zhengqiang LI, Yisong XIE, Jin HONG, Bihai TU, Binghuan MENG. Preliminary evaluation of in-flight radiation performance of directional polarimetric camera of Gaofen-5(02) satellite[J]. Journal of Atmospheric and Environmental Optics, 2023, 18(4): 310
- Journal of Atmospheric and Environmental Optics
- Vol. 18, Issue 4, 310 (2023)
Fig. 1. Distribution of global ocean calibration field and quasi-invariant desert calibration field in North Africa and Arabian Peninsula
Fig. 2. Comparison of spectral response function between POSP and DPC onboard GF-5(02)
Fig. 3. Scatter plot of simulated and measured apparent reflectance values during Rayleigh scattering calibration in January 2022 for DPC/GF-5(02). (a) 443 nm; (b) 490 nm; (c) 565 nm; (d) 670 nm
Fig. 4. Scatter plot of measured apparent reflectance of DPC and POSP on GF-5(02) for "polarization crossfire" cross calibration. (a) 443 nm; (b) 490 nm; (c) 670 nm; (d) 865 nm.
Fig. 5. Relative radiometric calibration results of DPC/GF-5(02) based on Rayleigh scattering in January 2022.(a) 443 nm; (b) 490 nm; (c) 565 nm; (d) 670 nm
Fig. 6. Relative radiometric calibration results of DPC/GF-5(02) based on "polarization crossfire" cross radiation calibration.(a) 443 nm; (b) 490 nm; (c) 670 nm; (d) 865nm
Fig. 7. Relative radiometric calibration results of DPC/GF-5 based on Rayleigh scattering in June 2018.(a) 443 nm；(b) 490 nm；(c) 565 nm；(d) 670 nm
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Table 1. DPC/GF-5(02) Rayleigh scattering radiometric calibration and "polarization crossfire" cross radiometric calibration coefficients in January 2022
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