GNSS-R wind-dependent polarimetric signature over the ocean
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Global Navigation Satellite System-Reflectometry (GNSS-R) is a promising and innovative remote sensing technique. In this letter, an investigation on the polarimetric characteristics of GNSS-R signals is performed. The study is conducted by means of an ad hoc simulator based on a facet approach to approximate a 3-D time-domain generated sea surface. To best mimic a realistic configuration, the simulator uses both recorded GPS and Galileo signals as incident waves. The effect of the incoherent averaging in mitigating the speckle is shown. Finally, a relationship between the wind speed and the polarimetric ratio is analyzed.
CitationSchiavulli, D., Ghavidel, A., Camps, A., Migliaccio, M. GNSS-R wind-dependent polarimetric signature over the ocean. "IEEE Geoscience and Remote Sensing Letters", 01 Desembre 2015, vol. 12, p. 2374.
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