Acta Optica Sinica, Volume. 40, Issue 9, 0928001(2020)
Accuracy Verification of On-Board Radiometric Calibration
In this study, a satellite calibration spectrometer (SCS), as a standard calibration load on HY-1C, was used for calibrating the remaining instruments on the same satellite platform. Further, the cross-calibration method was used to evaluate and verify the accuracy of on-board calibration by comparing the radiances and reflectances obtained via SCS and moderate-resolution imaging spectroradiometer (MODIS) with respect to the same ground area. By processing the calibration data four times on different dates, the maximum relative deviation of the radiance is observed to become less than 3%, which meets the calibration requirement with respect to the remaining loads on the HY-1C platform.
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Xin Li, Liming Zhang, Xiaolong Si, Hongyao Chen, Wenxin Huang, Qingjun Song. Accuracy Verification of On-Board Radiometric Calibration[J]. Acta Optica Sinica, 2020, 40(9): 0928001
Category: Remote Sensing and Sensors
Received: Oct. 11, 2019
Accepted: Jan. 14, 2020
Published Online: May. 6, 2020
The Author Email: Li Xin (lixin110@aiofm.ac.cn)