Abstract
Vicarious Calibration Based Cross Calibration of Solar Reflective Channels of Radiometers Onboard Remote Sensing Satellite and Evaluation of Cross Calibration Accuracy through Band-to-Band Data Comparisons
Highlights
Calibration of solar reflective wavelength coverage of mission instruments onboard remote sensing satellites is research subject for many years [1]-[17]
The accuracy of the conventional cross calibration is evaluated with vicarious calibration data
The results show that cross calibration accuracy can be done much more precisely if the influences due to the aforementioned three major error sources are taken into account
Summary
Calibration of solar reflective wavelength coverage of mission instruments onboard remote sensing satellites is research subject for many years [1]-[17]. Twenty sensors were considered in the simulation together with some ground types, various combinations of atmospheric states and illumination geometries They argued, overall, if spectral band difference effects (SBDEs) are not taken into account, the Railroad Valley Playa site is a ’good ’ground target for cross calibration between most but not all satellite sensors in most but not all spectral regions investigated. Li, Qiao, Liu, and Zhang (2004) developed a new method for cross calibration, and applied the method to sensors Multi-channel Visible Infrared Scanning radiometers (MVIRS) and Moderate Resolution Imaging Spectroradiometer (MODIS) [18] They argued,“'An error analysis indicates that the calibration is accurate to within 5%, which is comparable to, or better than, the vicarious calibration method.
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