Utilize este identificador para referenciar este registo: http://hdl.handle.net/10071/6186
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dc.contributor.authorCosta, Jorge R.-
dc.contributor.authorSilveirinha, Mário G.-
dc.contributor.authorFernandes, Carlos A.-
dc.date.accessioned2014-01-14T18:00:15Z-
dc.date.available2014-01-14T18:00:15Z-
dc.date.issued2008-10-
dc.identifier.citationCosta, J., Silveirinha, M., & Fernandes, C. (2008). Evaluation of a double-shell integrated scanning lens antenna. IEEE Antennas and Wireless Propagation Letters, 7, 781-784. http://dx.doi.org/10.1109/LAWP.2008.2008403-
dc.identifier.issn1536-1225por
dc.identifier.urihttp://hdl.handle.net/10071/6186-
dc.descriptionWOS:000269791600067 (Nº de Acesso Web of Science)-
dc.description.abstractThis letter presents the design and evaluation of a high dielectric constant double-material integrated lens antenna for multibeam or scanning applications. The lens is formed by two shaped embedded shells of different material permittivity to enhance both power transmission across the lens interfaces and the lens scanning characteristics over a broad frequency range, when the feeds are integrated at the lens base. Design is based on geometrical optics formulation and the lens performance is evaluated using the classic hybrid geometrical optics/physical optics approach (GO/PO). The proposed lens concept is experimentally validated with a fabricated MACORtrade/acrylic prototype, showing less than 1-dB scan loss up to plusmn20deg with Gaussicity better than 95% over 40% frequency band at millimeter waves.por
dc.language.isoengpor
dc.publisherIEEEpor
dc.rightsopenAccesspor
dc.subjectIntegrated lens antennaspor
dc.subjectMillimeter and submillimeter wave antennaspor
dc.subjectScanning antennaspor
dc.subjectShaped beam antennaspor
dc.titleEvaluation of a double-shell integrated scanning lens antennapor
dc.typearticle-
dc.pagination781-784por
dc.publicationstatusPublicadopor
dc.peerreviewedSimpor
dc.relation.publisherversionThe definitive version is available at: http://dx.doi.org/10.1109/LAWP.2008.2008403por
dc.journalIEEE Antennas and Wireless Propagation Letterspor
dc.distributionInternacionalpor
dc.volume7por
dc.subject.fosDomínio/Área Científica::Engenharia e Tecnologia::Engenharia Eletrotécnica, Eletrónica e Informática-
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