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Radiation from an annular slot antenna symmetrically covered by a dielectric cylinder of finite height

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dc.contributor.author Kaklamani, DI en
dc.contributor.author Capsalis, CN en
dc.contributor.author Uzunoglu, NK en
dc.date.accessioned 2014-03-01T01:10:11Z
dc.date.available 2014-03-01T01:10:11Z
dc.date.issued 1994 en
dc.identifier.issn 0920-5071 en
dc.identifier.uri https://dspace.lib.ntua.gr/xmlui/handle/123456789/11331
dc.subject Slot Antenna en
dc.subject.classification Engineering, Electrical & Electronic en
dc.subject.classification Physics, Applied en
dc.subject.classification Physics, Mathematical en
dc.subject.other Dielectric materials en
dc.subject.other Dielectric waveguides en
dc.subject.other Directional patterns (antenna) en
dc.subject.other Electric excitation en
dc.subject.other Electric fields en
dc.subject.other Electric impedance en
dc.subject.other Electromagnetic fields en
dc.subject.other Integral equations en
dc.subject.other Numerical analysis en
dc.subject.other Slot antennas en
dc.subject.other Spectrum analysis en
dc.subject.other Three dimensional en
dc.subject.other Annular slot antennas en
dc.subject.other Boundary conditions en
dc.subject.other Dielectric cylinder en
dc.subject.other Finite height en
dc.subject.other Mixed mode spectrum en
dc.subject.other Antenna radiation en
dc.title Radiation from an annular slot antenna symmetrically covered by a dielectric cylinder of finite height en
heal.type journalArticle en
heal.identifier.primary 10.1163/156939394X00795 en
heal.identifier.secondary http://dx.doi.org/10.1163/156939394X00795 en
heal.language English en
heal.publicationDate 1994 en
heal.abstract In this paper, the radiation properties of an annular slot antenna of infinitesimal aperture and radius a, cut in an infinite ground plane and covered by a dielectric cylinder of finite height, are investigated analytically. The excitation is assumed to be a circumferentially constant voltage at the slot opposite edges. The unknown electromagnetic field is expressed using the mixed mode spectrum of a radial dielectric waveguide. Then, by enforcing the satisfaction of the appropriate boundary conditions, an integral equation is derived in terms of the unknown electric field distribution E(z). This equation is solved by employing Galerkin's technique and the electromagnetic field distributions are computed in all the regions of the 3-D space. Finally, based on these results, the input impedance and the far field pattern of the antenna are obtained. Numerical results are presented for several cases. en
heal.publisher VSP Int Sci Publ, Zeist, Netherlands en
heal.journalName Journal of Electromagnetic Waves and Applications en
dc.identifier.doi 10.1163/156939394X00795 en
dc.identifier.isi ISI:A1994MR30100002 en
dc.identifier.volume 8 en
dc.identifier.issue 1 en
dc.identifier.spage 19 en
dc.identifier.epage 41 en


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