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Performance of Vivaldi Antennas in Reflector Feed Applications

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dc.contributor.authorTokan, Nurhan T.
dc.date.accessioned2026-06-27T13:27:26Z
dc.date.issued2013
dc.description.abstractWhen a wideband antenna is to be used as a reflector feed, the phase center variation with frequency introduces an error on the phase of the primary field impinging on the reflector surface. This is because the antenna phase center will be coincident with the focus only at one particular frequency and displacement at other frequencies, which will result as the phase error losses due to axial defocusing. Tapered slot antennas are the most utilized antennas in ultra wide band (UWB) high-performance applications. In this work, performance of the UWB Vivaldi antennas (exponentially tapered slot antennas) in reflector feed applications is investigated. A long Vivaldi is designed, manufactured, and its phase center movement with frequency is measured. The correspondent phase error loss is estimated.en
dc.identifier.eissn1943-5711
dc.identifier.endpage808
dc.identifier.issn1054-4887
dc.identifier.issue9
dc.identifier.startpage802
dc.identifier.urihttps://hdl.handle.net/20.500.14981/52783
dc.identifier.volume28
dc.identifier.wos000331662300007
dc.language.isoeng
dc.publisherAPPLIED COMPUTATIONAL ELECTROMAGNETICS SOC
dc.relation.ispartofAPPLIED COMPUTATIONAL ELECTROMAGNETICS SOCIETY JOURNAL
dc.subjectAstigmatism
dc.subjectaxial defocusing
dc.subjectphase error loss
dc.subjectreflector feed
dc.subjectultra wide band
dc.subjectVivaldi antenna
dc.subjectEngineering
dc.subjectTelecommunications
dc.titlePerformance of Vivaldi Antennas in Reflector Feed Applications
dc.typeArticle
dspace.entity.typePublication
local.import.sourceWOS

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