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Spectral Domain Approach to the Scattering Analysis of Coaxial Discontinuities
Takamichi NAKATA Hiroaki YOSHITAKE Kikuo WAKINO Yu-De LIN Tohru TANI Toshihide KITAZAWA
IEICE TRANSACTIONS on Electronics
Publication Date: 2007/02/01
Online ISSN: 1745-1353
Print ISSN: 0916-8516
Type of Manuscript: Special Section PAPER (Special Section on Recent Progress in Electromagnetic Theory and Its Application)
Category: Numerical Techniques, Computational Electromagnetic
discontinuities in coaxial line, scattering characteristics, spectral domain approach, Galerkin's procedure,
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The extended version of spectral domain approach (ESDA) is applied to evaluate the scattering characteristics of discontinuities in coaxial line. Discontinuities may be in inner and/or outer conductor of coaxial line. This method secures the high accuracy by considering the singularities of fields near the conductor edge properly. The computational labor of the new method is far lighter than that of FEM, so that novel method is suitable for the time consuming iterative computation such as fitting procedure in material evaluation or optimization of antenna design.