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dc.contributor.authorGual de Torrella, José María
dc.contributor.authorCamps Carmona, Adriano José
dc.contributor.otherUniversitat Politècnica de Catalunya. Departament de Teoria del Senyal i Comunicacions
dc.identifier.citationGual, J., Camps, A. On the amount of information content in microwave radiometry for wet delay estimation. "IEEE journal of selected topics in applied earth observations and remote sensing", 1 Juliol 2017, vol. 10, núm. 7, p. 3107-3113.
dc.description.abstractThis paper aims at determining the set of optimum frequencies to be used in the companion microwave radiometers in future synthetic aperture radar altimeters, to provide higher spatial resolution of the atmospheric water-vapor state, so as to improve the wet delay correction in the coastal regions. The channel selection is based on the study of the frequencies that provide the largest amount of information, as defined by the largest information entropy change from a prior knowledge state. It is found that four frequencies, one close to the 22-GHz peak and three other ones around 175.188 GHz, provide a near optimum compromise between the amount of information measured, and the instrument's complexity.
dc.format.extent7 p.
dc.subjectÀrees temàtiques de la UPC::Enginyeria agroalimentària::Ciències de la terra i de la vida::Climatologia i meteorologia
dc.subjectÀrees temàtiques de la UPC::Enginyeria de la telecomunicació::Radiocomunicació i exploració electromagnètica
dc.subject.lcshRadar meteorology
dc.subject.lcshRemote sensing
dc.subject.otherAtmospheric water vapor
dc.subject.otherInformation content
dc.subject.otherMicrowave radiometer
dc.subject.otherRadar altimeter
dc.subject.otherWeighting functions
dc.subject.otherWet delay
dc.titleOn the amount of information content in microwave radiometry for wet delay estimation
dc.contributor.groupUniversitat Politècnica de Catalunya. RSLAB - Grup de Recerca en Teledetecció
dc.description.peerreviewedPeer Reviewed
dc.rights.accessOpen Access
dc.description.versionPostprint (author's final draft)
local.citation.authorGual, J.; Camps, A.
local.citation.publicationNameIEEE journal of selected topics in applied earth observations and remote sensing

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