Title :
Comments on "Use of Symmetry in the Variational Treatment of a Magnetoplasma-Filled Waveguide" [Correspondence]
Author :
Vassallo, C. ; Champlin, K.S. ; Tong Lu
Abstract :
The "variational" formula established by Champlin is replaced in a general formulation of linear equations and adjoint equations. It is shown not to be stationary about the true guided fields.
Keywords :
Attenuators; Circuit optimization; Coupling circuits; Directional couplers; Equations; Phase shifters; Reflection; Scattering; Surface waves; Transmission line matrix methods;
Journal_Title :
Microwave Theory and Techniques, IEEE Transactions on
DOI :
10.1109/TMTT.1971.1127511
