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Analysis of metallic waveguides of a large class of cross sections using polynomial approximation and superquadric functions

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4 Author(s)
Sheng-Li Lin ; Dept. of Electr. & Comput. Eng., Nat. Univ. of Singapore, Singapore ; Le-Wei Li ; Tat-Soon Yeo ; Mook-Seng Leong

By using the polynomial approximation and superquadric functions in the Rayleigh-Ritz procedure, a unified method has been proposed to analyze conducting hollow waveguides of a large class of cross sections in our previous paper. Some useful and complicated cross-sectional waveguides in the microwave system, namely, eccentric annular, pentagonal, L-shaped, single-ridged, and double-ridged waveguides are analyzed in this paper. Compared with other numerical methods, this method has the advantages of being straightforward, accurate, and computational effective

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Microwave Theory and Techniques, IEEE Transactions on  (Volume:49 ,  Issue: 6 )