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Please use this identifier to cite or link to this item: http://ntour.ntou.edu.tw:8080/ir/handle/987654321/24184

Title: Transverse Electric Scattering by a Dielectric Biconvex Cylinder Loaded with a Shallow Circular Trough in a Ground Plane
Authors: D.-H. Tsaur;K.-H. Chang
Contributors: NTOU:Department of Harbor and River Engineering
國立臺灣海洋大學:河海工程學系
Keywords: transverse electric scattering;dielectric biconvex cylinder;shallow circular trough;ground plane;region-matching method;semicircular auxiliary boundary;Graf addition theorem
Date: 2008
Issue Date: 2011-10-20T08:10:37Z
Publisher: IET Microwaves, Antennas & Propagation
Abstract: Abstract:The scattering problem of transverse electric wave from a dielectric biconvex cylinder buried in a shallow circular trough of a ground plane is investigated and a rigorous series solution is also derived. Based on the region-matching method, the analysed region is decomposed into two subregions by introducing a semi-circular auxiliary boundary. The magnetic field of each subregion is expressed in terms of cylindrical wave functions with unknown expansion coefficients. After imposing the matching conditions and the boundary condition on the trough surface with the aid of Graf's addition theorem, the unknown coefficients are determined. Comparisons with published data for a dielectric circular cylinder case show very good agreement. Visible effects of depth-to-half-width ratios of a dielectric biconvex cylinder on echo width, far- field pattern and near-field distribution are illustrated in graphical form.
Relation: 2(4), pp.394-400
URI: http://ntour.ntou.edu.tw/handle/987654321/24184
Appears in Collections:[河海工程學系] 期刊論文

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