A Stability Analysis for Time-Domain Method-of-Moments Analysis of 1-D Double-Negative Transmission Lines

Author

Zhang, Yuming ; Spielman, Barry E.

Author_Institution

Washington Univ., Washington

Volume

55

Issue

9

fYear

2007

Firstpage

1887

Lastpage

1898

Abstract

The stability of time-domain simulations is examined for a generalized lossy double-negative transmission line (TL). This is accomplished using a "modified" version of the Courant-Friedrichs-Lewy stability criterion. The time-domain simulation is implemented using a method-of-moments formulation with the generalized TL equations. An analytic expression is derived by combining the Z-transform with von Neumann methods. The credibility of simulated time-domain results is verified through comparison with modal behavior determined using a frequency-domain treatment for a periodic structure.

Keywords

Z transforms; method of moments; stability; time-domain analysis; transmission line theory; 1D double-negative transmission lines; Courant-Friedrichs-Lewy stability criterion; MoM; Z-transform; stability analysis; time-domain method-of-moments analysis; von Neumann methods; Analytical models; Equations; Magnetic materials; Metamaterials; Moment methods; Periodic structures; Stability analysis; Time domain analysis; Transmission line theory; Transmission lines; Dispersive material; double-negative material; evanescent wave; homogeneous material; inhomogeneous material; metamaterial; method of moments (MoM); stability; time domain; transmission line (TL);

fLanguage

English

Journal_Title

Microwave Theory and Techniques, IEEE Transactions on

Publisher

ieee

ISSN

0018-9480

Type

jour

DOI

10.1109/TMTT.2007.904061

Filename

4298223