Computation of Time Domain Scattering Parameters Through the Numerical Inversion of the Laplace Transform

Conference paper (2022)

Authors

Fabrizio Loreto University of L'Aquila
Giuseppe Pettanice University of L'Aquila
Daniele Romano University of L'Aquila
Martin Stumpf Brno University of Technology
I.E. Lager Electrical Engineering Education - EEMCS
Giulio Antonini University of L'Aquila
Research Group
Electrical Engineering Education (EEMCS) (TU Delft)
Copyright: © 2022 Fabrizio Loreto, Giuseppe Pettanice, Daniele Romano, Martin Stumpf, I.E. Lager, Giulio Antonini
DOI: https://doi.org/10.23919/EuMC54642.2022.9924277
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Published Date

2022

Language

English

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Faculty

Electrical Engineering, Mathematics and Computer Science

Department

Microelectronics

Research Group

Electrical Engineering Education

Abstract

Time-domain (TD) methods for the solution of Maxwell's equations are particularly appealing for their ability to provide the overall characteristics of an electrical system in a single simulation run. In many situations, such TD methods require computing the system's impulse response and using it in a convolution-based solver. In this work, we propose the evaluation of the scattering-parameters-type impulse response of partial element equivalent circuit (PEEC) models by firstly computing the scattering parameters pertaining to a unit-step excitation via the Numerical Inversion of Laplace Transform (NILT) technique, followed by recovering the corresponding impulse response. The accuracy and effectiveness of the advocated approach is validated by means of numerical experiments comparing its performance with that of more standard methods.

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