Title :
Cutoff wavenumbers of ridged circular waveguides via Ritz-Galerkin approach
Author_Institution :
Dept. of Electr. & Electron. Eng., Middle East Tech. Univ., Ankara, Turkey
Abstract :
The cutoff wavenumbers of the TE11 and TE31 modes in double and quadruple-ridged circular waveguides are calculated by the Ritz-Galerkin method. The approach used and the computed data for the quadruple-ridged case are published for the first time.
Keywords :
circular waveguides; eigenvalues and eigenfunctions; waveguide theory; Ritz-Galerkin method; TE 11 mode; TE 31 modes; cutoff wavenumbers; double-ridged case; quadruple-ridged case; ridged circular waveguides;
Journal_Title :
Electronics Letters
DOI :
10.1049/el:19890692
