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A Numerical Method for the Solution of the Junction of Cylindrical Waveguides (Short Papers)

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2 Author(s)

In order to solve the waveguide junction problem numerically, we express the fields in the guides by truncated modal expansions and construct an error function which is a measure of the mean-square error in the matching of the boundary conditions at the junction. The minimum of this error leads to a set of linear equations for the modal amplitudes. Offset rectangular waveguides with amplitude and current excitations are studied. A weighting factor which multiplies the error contribution due to the magnetic field is studied, and a criterion for its selection given.

Published in:

IEEE Transactions on Microwave Theory and Techniques  (Volume:21 ,  Issue: 10 )