Radiation fields of a complex source in 2-D circular radome with metal gratings

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buir.advisorAltıntaş, Ayhan
dc.contributor.authorOuardani, Slim
dc.date.accessioned2016-01-08T20:15:02Z
dc.date.available2016-01-08T20:15:02Z
dc.date.issued1997
dc.departmentDepartment of Electrical and Electronics Engineeringen_US
dc.descriptionAnkara : Department of Electrical and Electronics Engineering and the Institute of Engineering and Sciences of Bilkent University, 1997.en_US
dc.descriptionThesis (Master's) -- Bilkent University, 1997.en_US
dc.descriptionIncludes bibliographical references leaves 46-48.en_US
dc.description.abstractIn this thesis, the transmission effect of a two-dimensional circular radome with periodic metal gratings is analyzed. We started with the study of gratings consisting of periodic arrays of thin lossy strips surrounded by vacuum. Then we investigated the behavior of such gratings if a dielectric hiyer is inserted between them. Complex line sources are considered to simulate directed beam fields used in practice. The fields on the interior and exterior sides of the radome are represented by modal cylindrical waves. Taking advantage of theoretical considerations recently published, we propose an approximate method and stress the numerical aspect. Data is obtained for the far field solutions and the directivity, and their dependences on different radome parameters. It appecirs that directivity variations with beam orientation are decreased considerably by a proper insertion of the dielectric layer.en_US
dc.description.degreeM.S.en_US
dc.description.statementofresponsibilityOuardani, Slimen_US
dc.format.extentxi, 48 leavesen_US
dc.identifier.urihttp://hdl.handle.net/11693/17968
dc.language.isoEnglishen_US
dc.publisherBilkent Universityen_US
dc.rightsinfo:eu-repo/semantics/openAccessen_US
dc.subjectDielectric radomeen_US
dc.subjectMetal gratingsen_US
dc.subjectDirectivityen_US
dc.subject.lccTK6590.R3 O93 1997en_US
dc.subject.lcshRadomes.en_US
dc.titleRadiation fields of a complex source in 2-D circular radome with metal gratingsen_US
dc.typeThesisen_US
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