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Title: FDTD modeling for dispersive media using matrix exponential method
Authors: Heh, Ding Yu
Tan, Eng Leong
Keywords: Engineering::Electrical and electronic engineering
Issue Date: 2009
Source: Heh, D. Y., & Tan, E. L. (2009). FDTD modeling for dispersive media using matrix exponential method. IEEE Microwave and Wireless Components Letters, 19(2), 53-55. doi:10.1109/lmwc.2008.2011300
Journal: IEEE Microwave and Wireless Components Letters
Abstract: This letter presents a finite-difference time-domain formulation to model electromagnetic wave propagation in dispersive media using matrix exponential method. The Maxwell's curl equations and the time domain relations between electric fields and auxiliary variables are formulated as a first order differential matrix system. The fundamental solution to such a system is derived in terms of matrix exponential and the update equations can be extracted conveniently from the solution. Numerical results show that this formulation yields higher accuracy compared to many other previous methods, without incurring additional auxiliary variable and complexity.
ISSN: 1531-1309
DOI: 10.1109/LMWC.2008.2011300
Schools: School of Electrical and Electronic Engineering 
Rights: © 2009 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, including reprinting/republishing this material for advertising or promotional purposes, creating new collective works, for resale or redistribution to servers or lists, or reuse of any copyrighted component of this work in other works. The published version is available at:
Fulltext Permission: open
Fulltext Availability: With Fulltext
Appears in Collections:EEE Journal Articles

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