SP-668 - 4th Int. Workshop on Science and Applications of SAR Polarimetry and Polarimetric Interferometry
نویسندگان
چکیده
Polarimetric calibration accuracy is a key factor in the quantitative use of polarimetric SAR data as well as the design of future SAR system. This paper presents an approach to determine the maximum acceptable distortion level remaining after polarimetric calibration in Polarimetric SAR Interferometry (Pol-InSAR). PolInSAR distortion model of calibration is reviewed and discussed firstly. Then the approach to determine calibration requirements based on Pol-InSAR typical forest parameter estimation is introduced. For given forest parameters, such as mean height and extinction coefficient, Pol-InSAR data are simulated based on the RVoG model. Calibration errors are artificially added into the simulated data based on the distortion model. By the three-stage inversion process, the relationships between the estimation accuracy and calibration errors are derived. The calibration accuracy requirements are determined based on the analysis of the relationships.
منابع مشابه
SP-668 - 4th Int. Workshop on Science and Applications of SAR Polarimetry and Polarimetric Interferometry
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