A numerical simulator to evaluate the electromagnetic bias in GNSS-R altimetry

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To access the full text documents, please follow this link: http://hdl.handle.net/2117/26856

dc.contributor	Universitat Politècnica de Catalunya. Departament de Teoria del Senyal i Comunicacions
dc.contributor	Universitat Politècnica de Catalunya. RSLAB - Grup de Recerca en Teledetecció
dc.contributor.author	Ghavidel, Ali
dc.contributor.author	Schiavulli, Domenico
dc.contributor.author	Camps Carmona, Adriano José
dc.date	2014
dc.identifier.citation	Ghavidel, A.; Schiavulli, D.; Camps, A. A numerical simulator to evaluate the electromagnetic bias in GNSS-R altimetry. 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. 4066-4069.
dc.identifier.citation	978-1-4799-5775-0
dc.identifier.citation	10.1109/IGARSS.2014.6947379
dc.identifier.uri	http://hdl.handle.net/2117/26856
dc.language.iso	eng
dc.publisher	Institute of Electrical and Electronics Engineers (IEEE)
dc.rights	info:eu-repo/semantics/openAccess
dc.subject	Àrees temàtiques de la UPC::Enginyeria de la telecomunicació::Radiocomunicació i exploració electromagnètica::Teledetecció
dc.subject	Global Positioning System
dc.subject	altimetry
dc.subject	electromagnetic bias
dc.subject	GNSS-R
dc.subject	scattering
dc.subject	Sistema de posicionament global
dc.title	A numerical simulator to evaluate the electromagnetic bias in GNSS-R altimetry
dc.type	info:eu-repo/semantics/submittedVersion
dc.type	info:eu-repo/semantics/conferenceObject
dc.description.abstract	This paper presents the computed electromagnetic (EM) bias predicted for GNSS-R altimetry systems. First, a synthetic time-evolving sea surface is generated satisfying an ocean surface height spectrum. Then, a direct GNSS signal recorded by an up-looking antenna is used as the GNSS signal 'illuminating' the synthetic sea surface, and the scattered waves are simulated using the Geometric Optics (GO) method. Finally, using the fundamental definition of the EM bias, it is estimated and compared to the limited existing analytical methods.
dc.description.abstract	Peer Reviewed

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