Analysis of Electromagnetic Field Radiation from a Rectangular Cavity-Backed Slot Antenna Using ADI-FDTD Method

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dc.contributor.authorMusyoki, Stephen
dc.contributor.authorOuma, Heywood A.
dc.contributor.authorK’Onditi, Dominic B.O.
dc.contributor.authorNyaory, George M.
dc.date.accessioned2015-05-20T04:56:59Z
dc.date.available2015-05-20T04:56:59Z
dc.date.issued2012
dc.description.abstractIn this paper, a rectangular Cavity Backed Slot Antenna (CBSA) Model excited by a probe is investigated. The analysis is carried out using the Alternating Direction Implicit - Finite Difference Time Domain (ADI-FDTD) Method which is applied to investigate its characteristics in terms of radiation patterns and power. This is because the method is capable of providing a more accurate definition of the electromagnetic fields within the rectangular apertures, while eliminating the Courant-Friedrich-Levy (CFL) stability condition which is present in the regular Finite Difference Time Domain (FDTD) method. A cavity-backed slot antenna structure with dimensions of 14cm×22cm×30cm is analyzed with the slot and aperture measurements done at 3GHz. Results showing current distribution on the material surrounding the apertures are presented and a discussion on the physical aspects of the aperture radiation phenomenon is also presented.en_US
dc.identifier.urihttp://www.iiste.org/Journals/index.php/JIEA/article/view/2751
dc.identifier.urihttp://hdl.handle.net/123456789/969
dc.language.isoenen_US
dc.titleAnalysis of Electromagnetic Field Radiation from a Rectangular Cavity-Backed Slot Antenna Using ADI-FDTD Methoden_US
dc.typeArticleen_US

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