Title :
Efficient 3D-SCN-TLM diakoptics for waveguide components
Author :
Righi, Mario ; Hoefer, Wolfgang J R
Author_Institution :
Dept. of Electr. & Comput. Eng., Victoria Univ., BC, Canada
fDate :
12/1/1994 12:00:00 AM
Abstract :
In this paper, the efficiency of the diakoptic procedure, when applied to three-dimensional waveguide discontinuity problems, is improved by taking advantage of the separability of the time domain Green´s function that holds for homogeneous waveguides. The procedure has been applied to the analysis of waveguide discontinuities showing how absorbing boundaries generated with the modal diakoptic procedure provide wide-band matching for the fundamental mode as well as all of the TE and TM modes excited by the discontinuity. In addition, the modal approach leads to the generalized S matrix of a general discontinuity with a single TLM simulation
Keywords :
Green´s function methods; S-matrix theory; waveguide components; waveguide discontinuities; waveguide theory; 3D waveguide discontinuity problems; 3D-SCN-TLM diakoptics; TE modes; TLM simulation; TM modes; absorbing boundaries; fundamental mode; generalized S matrix; homogeneous waveguides; time domain Green function; waveguide components; wideband matching; Circuit simulation; Councils; Diakoptics; Electromagnetic waveguides; Matrix decomposition; Tellurium; Transmission line matrix methods; Waveguide components; Waveguide discontinuities; Wideband;
Journal_Title :
Microwave Theory and Techniques, IEEE Transactions on
