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Scattering Matrix Calculation of Waveguide Corner Distorted by Discontinuities using Fem Solution of 2D Helmholtz Equations

Published on September 2015 by Chandrashekar.K, Girish V. Attimarad
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National Conference “Electronics, Signals, Communication and Optimization"
Foundation of Computer Science USA
NCESCO2015 - Number 4
September 2015
Authors: Chandrashekar.K, Girish V. Attimarad
180262c9-b0ad-43a7-8f99-beee3615b11f

Chandrashekar.K, Girish V. Attimarad . Scattering Matrix Calculation of Waveguide Corner Distorted by Discontinuities using Fem Solution of 2D Helmholtz Equations. National Conference “Electronics, Signals, Communication and Optimization". NCESCO2015, 4 (September 2015), 32-36.

@article{
author = { Chandrashekar.K, Girish V. Attimarad },
title = { Scattering Matrix Calculation of Waveguide Corner Distorted by Discontinuities using Fem Solution of 2D Helmholtz Equations },
journal = { National Conference “Electronics, Signals, Communication and Optimization" },
issue_date = { September 2015 },
volume = { NCESCO2015 },
number = { 4 },
month = { September },
year = { 2015 },
issn = 0975-8887,
pages = { 32-36 },
numpages = 5,
url = { /proceedings/ncesco2015/number4/22319-5336/ },
publisher = {Foundation of Computer Science (FCS), NY, USA},
address = {New York, USA}
}
%0 Proceeding Article
%1 National Conference “Electronics, Signals, Communication and Optimization"
%A Chandrashekar.K
%A Girish V. Attimarad
%T Scattering Matrix Calculation of Waveguide Corner Distorted by Discontinuities using Fem Solution of 2D Helmholtz Equations
%J National Conference “Electronics, Signals, Communication and Optimization"
%@ 0975-8887
%V NCESCO2015
%N 4
%P 32-36
%D 2015
%I International Journal of Computer Applications
Abstract

A simple method is presented to obtain S-parameters of two dimensional dielectric waveguide corner distorted by discontinuities. We can analyze by using three different cases are considered: Length of the waveguide remains same on both axes (x and y axis), changing the length in x-axis and y-axis directions. S-parameters can compute by using integral expressions of S11 and S12 can be derived from FEM solution of two dimensional Helmholtz equation and numerical results are tabulated and compared.

References
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  2. K. Chandrashekhar and A. V. Girish, "Analysis of step discontinuties using 2D FEM," IJSER, vol. 2, no. 8, pp. 767-776, 2012.
  3. K. Chandrashekhar and A. V. Girish, "Study of EM behaviour at discontinuties using 2D FEM", IJESR, pp. 751-757, 2012
  4. Vladimir I. Fesenko, Sergey N. Shulga "The Method for S-matrix calculation of arbitrary three dimensional waveguide's insertions "10th International Conference on Mathematical Methods in Electromagnetic Theory Sept 14-17. 2004. Dniepropetrovsk, Ukralane.
  5. Tsugumichi Shibata, and Tatsuo Itoh "Generalized-Scattering-Matrix Modeling of Waveguide Circuits Using FDTD Field Simulations" IEEE TRANSACTIONS ON MICROWAVE THEORY AND TECHNIQUES, VOL. 46, NO. 11, NOVEMBER 1998.
  6. Inigo Ederra, Mario Sorolla Ayza, Manfred Boris Z. Katsenelenbaum, " Comparative analysis of mode reflection and transmission in presence of a cutoff cross section of nonuniform waveguide by using cross section and the Mode Matching and Generalized scattering matrix methods" IEEE TRANSACTIONS ON MICROWAVE THEORY AND TECHNIQUES, VOL. 49, NO. 4, APRIL 2001 637
  7. N. O. Sadiku, "Numerical Techniques in Electromagnetics," CRC Press,Boca Raton, 2001.
  8. J. D. Jackson," Classical Electrodynamics," Third Edition, John Wiley & Sons, Chichester, 1999.
Index Terms

Computer Science
Information Sciences

Keywords

Waveguide Discontinuities Finite Element Method (fem) Scattering Matrix Two Dimensional Helmholtz Equations.