2002•Unpublished venueRequires access

A comparison of finite difference time-domain (FDTD) and transmission-line modeling (TLM) methods

Matthew N. O. Sadiku, C.N. Obiozor

Abstract

This paper presents both theoretical and qualitative comparison of the two most popular time-domain numerical methods for the analysis of electromagnetic problems: the transmission-line modeling (TLM) method and the finite-difference time-domain (FDTD). The comparison is based on the author's experience as well as others. While TLM is a physical model based on Huygens' principle using interconnected transmission lines, the FDTD is an approximate mathematical model directly based on Maxwell's equations.

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Available abstract

Key concepts: Finite-difference time-domain method, Transmission-line matrix method, Transmission line, Maxwell's equations, Time domain, Finite difference method, Computer science, Transmission (telecommunications)