Title :
Numerical instabilities of the moment method in waveguide calculations
Author :
Gardiol, F.E. ; Haldemann, P.
Author_Institution :
Ã\x89cole Polytechnique Fédérale, Lausanne, Switzerland
Abstract :
Unstable results were obtained when utilising the moment method in parallel-plate-waveguide problems. The cause of the instability is determined. The introduction of a missing boundary condition leads to very satisfactory numerical results.
Keywords :
numerical analysis; waveguide theory; boundary condition; moment method; numerical instability; parallel plate waveguide; waveguide;
Journal_Title :
Electronics Letters
DOI :
10.1049/el:19770491
