Dispersion Analysis of State-Variable TLM Symmetrical Condensed Node

L. de Menezes and W. J. R. Hoefer

IEEE Antennas and Propagation Society International Symposium, pp 778-781, Newport Beach, California USA, June 18-23 1995.


The dispersion relations for the 2D and 3D Symmetrical Condensed Node (SCN) TLM with the state-variable and stub-loaded model of the medium are obtained. It is observed that the approximate trapezoidal discretization scheme of the state-variable approach has the same dispersion as the stub-loaded model. Plots of the dispersion relation along axial and diagonal directions are shown and discussed.

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