Polarimetric radar signal mapping process

Communications: directive radio wave systems and devices (e.g. – Synthetic aperture radar

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342188, 342174, 342 91, 342191, G01S 1390

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active

053132106

ABSTRACT:
A process for mapping a region of interest using polarimetric radar signals is disclosed. The process provides for the polarimetric calibration of polarized signal data to account for distortions arising from cross-talk and channel imbalance during signal transmission and/or reception. Moreover, the process also can be used to correct for ionospheric signal distortions of polarized signals with low frequencies prone to Faraday rotations upon encountering the ionosphere. Such calibrations are accomplished with a reduced number of, typically ground-based, signal reflection devices used for calibrating the polarimetric signals to compensate for the above distortions.

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patent: 5179383 (1993-01-01), Raney et al.
Curlander, et al., "Synthetic Aperture Radar Systems and Signal Processing," pp. 348-369 Wiley Series in Remote Sensing, Kong, ed., John Wiley & Sons, Inc., New York.
Elachi, et al., Spaceborne Synthetic-Aperture Imaging Radars: Applications, Techniques, and Technology, pp. 1174-1209, 1982, Proceedings of the IEEE, vol. 70, No. 10.
Freeman, et al., "Calibration of Stokes and Scattering Matrix Format Polarimetric SAR Data," pp. 531-539 1992, IEEE Transactions on Geoscience and Remote Sensing, vol. 30, No. 3.
Freeman, "SAR Calibration: An Overview," pp. 1107-1121 1992, IEEE Transactions on Geoscience and Remote Sensing, vol. 30, No. 6.

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