NDLI: A new hybrid symmetrical condensed node for the frequency-domain TLM method

Content Provider	IEEE Xplore Digital Library
Author	Chen, S. Vahldieck, R.
Copyright Year	1996
Description	Author affiliation: Dept. of Electr. & Comput. Eng., Victoria Univ., BC, Canada (Chen, S.; Vahldieck, R.)
Abstract	This paper presents an new hybrid symmetrical condensed node (SCN) for the frequency-domain TLM (FDTLM) method. The scattering matrix of the new node is developed by taking advantage of a new port numbering scheme introduced for the time-domain node and a shunt decomposition technique to determine the propagation constant and characteristic admittances on the node link lines. The characteristics of the new frequency-domain node are described by a symmetric symbolic scattering matrix. The symmetry of the matrix allows significant savings in computer memory. For lossless media the scattering matrix becomes Hermitian. A dispersion analysis shows that the new node exhibits a much smaller wave propagation error than other FDTLM nodes. To test the new node, eigenvalues and scattering parameters for microstrip lines and discontinuities are computed and compared with well established results from measurements and other numerical methods.
Starting Page	427
Ending Page	430
File Size	381963
Page Count	4
File Format	PDF
ISBN	0780332466
ISSN	0149645X
DOI	10.1109/MWSYM.1996.508759
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	1996-06-17
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Matrix decomposition Symmetric matrices Transmission line matrix methods Scattering Time domain analysis Propagation constant Frequency domain analysis Computer errors Testing Eigenvalues and eigenfunctions
Content Type	Text
Resource Type	Article
Subject	Condensed Matter Physics Electrical and Electronic Engineering Radiation

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