Temporal discretization for UWB systems in three dimensional alternating-direction implicit finite difference time domain method

Fumie Costen; Arnaud Thiry

doi:10.1587/elex.1.477

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Temporal discretization for UWB systems in three dimensional alternating-direction implicit finite difference time domain method

Fumie Costen, Arnaud Thiry

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Keywords: electromagnetic propagation in dispersive media, FDTD methods, transient propagation, Alternating-Direction Implicit technique, insufficient source sampling

JOURNAL FREE ACCESS

2004 Volume 1 Issue 15 Pages 477-483

DOI https://doi.org/10.1587/elex.1.477

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Abstract

The treatment of Ultra WideBand systems in a three dimensional Alternating Direction Implicit Finite Difference Time Domain is given. Unavoidable artifacts caused by insufficient source sampling of UWB signals in ADI-FDTD are described. An empirical approach of determining the appropriate temporal discretization is proposed and verified by numerical experiments.

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