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dc.contributor.authorHyuk, Park
dc.contributor.authorGonzález Gambau, Veronica
dc.contributor.authorCamps Carmona, Adriano José
dc.contributor.otherUniversitat Politècnica de Catalunya. Departament de Teoria del Senyal i Comunicacions
dc.date.accessioned2017-05-09T09:31:08Z
dc.date.available2017-05-09T09:31:08Z
dc.date.issued2015-01-01
dc.identifier.citationPark, H., González, V., Camps, A. High angular resolution RFI localization in synthetic aperture interferometric radiometers using direction-of-arrival estimation. "IEEE Geoscience and Remote Sensing Letters", 1 Gener 2015, vol. 12, núm. 1, p. 102-106.
dc.identifier.issn1545-598X
dc.identifier.urihttp://hdl.handle.net/2117/104224
dc.description©2014 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, including reprinting/republishing this material for advertising or promotional purposes, creating new collective works, for resale or redistribution to servers or lists, or reuse of any copyrighted component of this work in other works.
dc.description.abstractRadio-frequency interference (RFI) seriously affects the retrieval of geophysical parameters from the measurements of microwave radiometers. An accurate geolocation of the RFI is crucial to effectively switch off illegal transmitters. In this letter, a new RFI localization method is proposed to improve the achievable angular resolution by using beamforming and direction-of- arrival (DOA) estimation techniques. The proposed RFI localization techniques can be employed in synthetic aperture interferometric radiometers, such as the European Space Agency (ESA) Soil Moisture and Ocean Salinity (SMOS) mission. Two DOA estimation techniques are tested for the RFI localization: Capon and MUSIC. The feasibility of these methods is demonstrated with SMOS data. In the test results, the MUSIC beamforming shows a better performance of RFI localization than the SMOS Fourier imaging and the Capon, in terms of accuracy and resolution.
dc.format.extent5 p.
dc.language.isoeng
dc.subjectÀrees temàtiques de la UPC::Enginyeria de la telecomunicació::Radiocomunicació i exploració electromagnètica::Circuits de microones, radiofreqüència i ones mil·limètriques
dc.subject.lcshRadio frequency
dc.subject.lcshRadiation--Measurement
dc.subject.otherBeamforming
dc.subject.otherDirection-of-arrival (DOA) estimation
dc.subject.otherMicrowave radiometry
dc.subject.otherRadio-frequency interference (RFI)
dc.subject.otherSoil moisture and ocean salinity (SMOS) mission
dc.subject.otherSynthetic aperture radiometry
dc.subject.otherMicrowave radiometers
dc.subject.otherDetection algorithms
dc.subject.otherInterference
dc.subject.otherSMOS
dc.subject.otherPerformance
dc.subject.otherReal
dc.titleHigh angular resolution RFI localization in synthetic aperture interferometric radiometers using direction-of-arrival estimation
dc.typeArticle
dc.subject.lemacRadiofreqüència
dc.subject.lemacRadiació -- Mesurament
dc.contributor.groupUniversitat Politècnica de Catalunya. CTE-CRAE - Grup de Recerca en Ciències i Tecnologies de l'Espai
dc.contributor.groupUniversitat Politècnica de Catalunya. RSLAB - Grup de Recerca en Teledetecció
dc.identifier.doi10.1109/LGRS.2014.2327006
dc.description.peerreviewedPeer Reviewed
dc.relation.publisherversionhttp://ieeexplore.ieee.org/document/6834789/
dc.rights.accessOpen Access
local.identifier.drac15229559
dc.description.versionPostprint (author's final draft)
local.citation.authorPark, H.; González, V.; Camps, A.
local.citation.publicationNameIEEE Geoscience and Remote Sensing Letters
local.citation.volume12
local.citation.number1
local.citation.startingPage102
local.citation.endingPage106


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