A simulator for GNSS-R polarimetric observations over the ocean

Schiavulli, Domenico; Ghavidel, Ali; Camps Carmona, Adriano José; Migliaccio, Muriccio

doi:10.1109/IGARSS.2014.6947312

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Schiavulli, Domenico

Ghavidel, Ali

Camps Carmona, Adriano José

Migliaccio, Muriccio

Document typeConference report

Defense date2014

PublisherInstitute of Electrical and Electronics Engineers (IEEE)

Rights accessRestricted access - publisher's policy

All rights reserved. This work is protected by the corresponding intellectual and industrial property rights. Without prejudice to any existing legal exemptions, reproduction, distribution, public communication or transformation of this work are prohibited without permission of the copyright holder

Abstract

Global Navigation Satellite Systems - Reflec-tometry (GNSS-R) represents an innovative tool for remote sensing. In this paper a facet-based simulator is presented to investigate the polarimetric characteristics of GNSS L-band signals reflected off sea surface. The aim of the proposed technique is to improve the classical simulation technique based on the Zavorotny-Voronovich (Z-V) approach. Therefore, the scattered power and the Delay-Doppler Map are obtained using a time-evolving random 3D sea surface and the Kirchhoff Approximation (KA) of the Physical Optics (PO) to describe the scattering mechanisms. Finally the polarization ratio (PR) between co- and cross-polar scattered signal is fully investigated against different sea surface conditions, i.e. wind speed.

CitationSchiavulli, D. [et al.]. A simulator for GNSS-R polarimetric observations over the ocean. A: IEEE International Geoscience and Remote Sensing Symposium. "2014 IEEE International Geoscience & Remote Sensing Symposium: proceedings: July 13–18, 2014, Québec City, Québec, Canada". Québec: Institute of Electrical and Electronics Engineers (IEEE), 2014, p. 3802-3805.

URIhttp://hdl.handle.net/2117/26232

DOI10.1109/IGARSS.2014.6947312

ISBN978-1-4799-5775-0

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