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A clever way to simulate Numerically Matched Loads is presented and applied in the mathematical framework of 3-D spectral domain analysis. The numerically matched loads already have been developed in the particular case of the spectral domain approach using a set of subsectional rooftop expansion and testing functions in the moment method. In order to properly model more complicated structures, we propose in this letter an extension of the NML simulation where triangular subdomain functions are used as both expansion and testing functions in the moment method. © 1997 John Wiley & Sons, Inc. Microwave Opt Technol Lett 15: 373–377, 1997. [ABSTRACT FROM AUTHOR]

This article presents a full-wave analysis of coplanar waveguide, discontinuities using a spectral-domain approach. Based on a magnetic field integral formulation, the equivalent magnetic current distribution on the apertures is solved by a moment method. The scattering parameters are numerically measured with the help of numerically matched loads placed at each port of the discontinuities. [ABSTRACT FROM AUTHOR]