Impact of correlator efficiency errors on SMOS land-sea contamination

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dc.contributor	Universitat Politècnica de Catalunya. Departament de Teoria del Senyal i Comunicacions
dc.contributor	Universitat Politècnica de Catalunya. RF&MW - Grup de Recerca de sistemes, dispositius i materials de RF i microones
dc.contributor	Universitat Politècnica de Catalunya. RSLAB - Grup de Recerca en Teledetecció
dc.contributor.author	Corbella Sanahuja, Ignasi
dc.contributor.author	Durán Martínez, Israel
dc.contributor.author	Wu, Lin
dc.contributor.author	Torres Canals, Francesc
dc.contributor.author	Duffo Ubeda, Núria
dc.contributor.author	Khazaal, Ali
dc.contributor.author	Martín Neira, Manuel
dc.date	2015-09-01
dc.identifier.citation	Corbella, I., Duran, I., Wu, L., Torres, F., Duffo, N., Khazaal, A., Martín, M. Impact of correlator efficiency errors on SMOS land-sea contamination. "IEEE Geoscience and Remote Sensing Letters", 01 Setembre 2015, vol. 12, núm. 9, p. 1813-1817.
dc.identifier.citation	1545-598X
dc.identifier.citation	10.1109/LGRS.2015.2428653
dc.identifier.uri	http://hdl.handle.net/2117/83680
dc.language.iso	eng
dc.relation	http://ieeexplore.ieee.org/stamp/stamp.jsp?arnumber=7109874
dc.relation	info:eu-repo/grantAgreement/ES/6PN/AYA2012-39356-C05-01
dc.relation	info:eu-repo/grantAgreement/ES/6PN/TEC2011-25865
dc.rights	info:eu-repo/semantics/openAccess
dc.rights	http://creativecommons.org/licenses/by-nc-nd/3.0/es/
dc.subject	Àrees temàtiques de la UPC::Enginyeria de la telecomunicació::Radiocomunicació i exploració electromagnètica::Satèl·lits i ràdioenllaços
dc.subject	Àrees temàtiques de la UPC::Enginyeria de la telecomunicació::Radiocomunicació i exploració electromagnètica::Teledetecció
dc.subject	Artificial satellites in oceanography
dc.subject	Remote sensing
dc.subject	Calibration
dc.subject	imaging
dc.subject	interferometry
dc.subject	radiometry
dc.subject	Soil moisture and ocean Salinity (SMOS)
dc.subject	Calibration
dc.subject	Radiometers
dc.subject	Reconstruction
dc.subject	Visibilities
dc.subject	Performance
dc.subject	Processor
dc.subject	Mission
dc.subject	Satèl·lits artificials en oceanografia
dc.subject	Teledetecció
dc.title	Impact of correlator efficiency errors on SMOS land-sea contamination
dc.type	info:eu-repo/semantics/submittedVersion
dc.type	info:eu-repo/semantics/article
dc.description.abstract	Land-sea contamination observed in Soil Moisture and Ocean Salinity (SMOS) brightness temperature images is found to have two main contributions: the floor error inherent of image reconstruction and a multiplicative error either in the antenna temperature or in the visibility samples measured by the correlator. The origin of this last one is traced down to SMOS calibration parameters to yield a simple correction scheme, which is validated against several geophysical scenarios. Autoconsistency rules in interferometric synthesis together with redundant and complementary calibration procedures provide a robust SMOS calibration scheme.
dc.description.abstract	Peer Reviewed

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