Compensation of Coarseness Error in TLM Modeling of Microwave Structures with the Symmetrical Condensed Node

J. L. Herring and W. J. R. Hoefer

IEEE MTT-S International Microwave Symposium, pp 23-26, Orange County Convention Center, Orlando, Florida USA, May 16-20 1995.


The coarseness error inherent in a TLM simulation involving sharp edges is reduced by increasing the speed of pulse propagation around the discontinuity with only a local mesh modification. The implementation of the technique is described in detail and the method is applied to a narrow band E-plane filter.

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