Advances in calibration of the SMOS zero-baseline radiometers

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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	Universitat Politècnica de Catalunya. RF&MW - Grup de Recerca de sistemes, dispositius i materials de RF i microones
dc.contributor.author	Colliander, Andreas
dc.contributor.author	Chae, Chunsik
dc.contributor.author	Dinnat, Emmanuel Philippe
dc.contributor.author	Oliva, Roger
dc.contributor.author	Kainulainen, Juha
dc.contributor.author	Torres Torres, Francisco
dc.contributor.author	Corbella Sanahuja, Ignasi
dc.contributor.author	Martín Neira, Manuel
dc.date	2014
dc.identifier.citation	Colliander, A. [et al.]. Advances in calibration of the SMOS zero-baseline radiometers. A: Specialist Meeting on Microwave Radiometry and Remote Sensing of the Environment. "13th Specialist Meeting on Microwave Radiometry and Remote Sensing of the Environment: MicroRad 2014: proceedings: 24-27 March 2014: Pasadena, California, USA". Pasadena: Institute of Electrical and Electronics Engineers (IEEE), 2014, p. 201-204.
dc.identifier.citation	978-147994644-0
dc.identifier.citation	10.1109/MicroRad.2014.6878939
dc.identifier.uri	http://hdl.handle.net/2117/24642
dc.language.iso	eng
dc.publisher	Institute of Electrical and Electronics Engineers (IEEE)
dc.relation	http://ieeexplore.ieee.org/xpls/abs_all.jsp?arnumber=6878939
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	Àrees temàtiques de la UPC::Enginyeria civil::Geologia::Oceanografia
dc.subject	Remote sensing
dc.subject	Soil moisture
dc.subject	Aquarius
dc.subject	Inter-calibration
dc.subject	SMOS
dc.subject	Teledetecció
dc.subject	Sòls -- Humitat
dc.title	Advances in calibration of the SMOS zero-baseline radiometers
dc.type	info:eu-repo/semantics/publishedVersion
dc.type	info:eu-repo/semantics/conferenceObject
dc.description.abstract	Over the course of the more than four-year mission several enhancements have been developed for the calibration of the zero-baseline radiometers of ESA's SMOS (Soil Moisture Ocean Salinity) mission. Here a particular advancement in adjusting the antenna loss parameters is highlighted. Two methods that enable estimation of the antenna loss are utilized to update the calibration parameters. The impact of the new parameters is evaluated with respect to synthesized antenna temperature which is based on the simulator developed for the Aquarius instrument. The results indicate that the new parameters yield measurements which are significantly closer to the simulated values over the life-time of the mission. This suggests that the new parameters indeed improve the performance of the zero-baseline measurement of SMOS which improves the overall accuracy and stability of the SMOS brightness temperature products.
dc.description.abstract	Peer Reviewed

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