NDLI: Application of spline-based expansion and weighting functions for an efficient analysis of thin-wire structures

Content Provider	IEEE Xplore Digital Library
Author	Nicolai, J. Gonschorek, K.H.
Copyright Year	2001
Description	Author affiliation: ETI/EMV, Dresden Univ. of Technol., Germany (Nicolai, J.)
Abstract	An analysis of thin-wire antennas and scatterers using quadratic spline-based expansion and weighting functions within the method of moments (MoM) is presented. So-called quadratic B-splines are introduced as a generalisation of the well-known rectangular and triangle expansion functions. The thin-wire version of the electric-field integral equation (EFIE) is solved by the method of moments (MoM) using Galerkin's method. The described procedure results in a symmetrical structure of the impedance matrix, which allows the application of symmetric solvers with the benefit of a very effective solving procedure. Due to the choice of the expansion and weighting functions the results are very precise for near-fields and points near the structure. It become possible to investigate structures with very small separations between the wires. Numerical examples demonstrate the suitability of the method for the EMC-analysis and show the advantages of a reduced solving time in the analysis of large systems and a lower limit for the shortest separation between two wires.
Starting Page	173
Ending Page	178
File Size	620600
Page Count	6
File Format	PDF
ISBN	0780365690
DOI	10.1109/ISEMC.2001.950583
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2001-08-13
Publisher Place	Canada
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Spline Moment methods Message-oriented middleware Wires Symmetric matrices Transmission line matrix methods Scattering Integral equations Impedance Electromagnetic compatibility
Content Type	Text
Resource Type	Article

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