Acta Optica Sinica, Volume. 39, Issue 10, 1001001(2019)
On-Orbit Radiometric Calibration of High-Resolution Optical Remote Sensing Satellite Based on Sub-Pixel Targets
Figures & Tables(7)
Fig. 1. Diagram of solar radiation and interaction of atmosphere and sub-pixel targets
Fig. 2. On-orbit experiment. (a) Sub-pixel target; (b) gray-scale target; (c) remote sensing image
Fig. 4. Synchronous test data. (a) Target reflectance; (b) atmospheric transmittance
Fig. 5. Remote sensing image process. (a) Image of sub-pixel target; (b) linear fitting
Fig. 6. Gray-scale target method. (a) Incident pupil radiance; (b) calibration coefficient
Table 1. Analysis on uncertainty
View tableTable 1. Analysis on uncertainty
Uncertainty source Uncertainty contribution /% Reflectance of sub-pixel target 2.0 Atmospheric optical depth 1.0 System point spread factor 1.0 Sun-path transmittance 1.0 Sensor-path transmittance 1.0 Sensor's ground sample distance 0.5 Solar irradiance 1.0 Site test error 0.5 Others (spectral, geometrical) 0.5 Total uncertainty 3.2
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Weiwei Xu, Liming Zhang, Xin Li, Xiaolong Si, Yongping Xu. On-Orbit Radiometric Calibration of High-Resolution Optical Remote Sensing Satellite Based on Sub-Pixel Targets[J]. Acta Optica Sinica, 2019, 39(10): 1001001
Paper Information
Category: Atmospheric Optics and Oceanic Optics
Received: Apr. 2, 2019
Accepted: May. 31, 2019
Published Online: Oct. 9, 2019
The Author Email: Xu Weiwei (weilxu@aiofm.ac.cn)
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