Da Xiao, Na Xu, Xiuqing Hu, Ronghua Wu, Xinhua Niu, Xianghua Wang, Yuqing He. On-Orbit Detection and Correction of Crosstalk Effect of FY-3D MERSI-II Signals[J]. Acta Optica Sinica, 2020, 40(10): 1011001
- Acta Optica Sinica
- Vol. 40, Issue 10, 1011001 (2020)
Fig. 1. Focal plane of MERSI-II
Fig. 2. Polar island images of earth observed by MERSI-II with equalization enhancement (2019-07-18). (a) Band 20; (b) band 21
Fig. 3. Fire point target images of earth observed by MERSI-II with Gaussian enhancement (2019-03-18). (a) Band 20; (b) band 21
Fig. 4. Polar island images of earth observed by MERSI-II with Gaussian enhancement (2019-07-18). (a) Band 6; (b) band 7
Fig. 5. Lunar images obtained by single-detector multi-frame scanning in short-wave infrared focal plane (2017-12-26). (a) Band 5 detector 5; (b) band 6 detector 5
Fig. 6. Lunar images obtained by single-detector multi-frame scanning in mid and long wave infrared focal plane (2017-12-26). (a) Band 21 detector 5; (b) band 23 detector 5
Fig. 7. Schematic of crosstalk from bands in mid and long wave infrared focal plane. (a) Lunar pseudo-color image of band 20 detector 5; (b) schematic of the lunar arrangement of each band
Fig. 8. Lunar images of band 20 before and after crosstalk correction (2017-12-26). (a) Without correction; (b) with correction
Fig. 9. Lunar image of band 20 before and after crosstalk correction (2018-01-25). (a) Without correction; (b) with correction
Fig. 10. Earth images of band 20 before and after crosstalk correction (2018-01-29). (a) Without correction; (b) with correction
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Table 1. Crosstalk detection results of all bands of MERSI-II
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Table 2. Crosstalk coefficient summary of band 20 detector 5 (2017-12-26)
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