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电信和无线电工程
SJR: 0.203 SNIP: 0.44 CiteScore™: 1

ISSN 打印: 0040-2508
ISSN 在线: 1943-6009

卷:
卷 79, 2020 卷 78, 2019 卷 77, 2018 卷 76, 2017 卷 75, 2016 卷 74, 2015 卷 73, 2014 卷 72, 2013 卷 71, 2012 卷 70, 2011 卷 69, 2010 卷 68, 2009 卷 67, 2008 卷 66, 2007 卷 65, 2006 卷 64, 2005 卷 63, 2005 卷 62, 2004 卷 61, 2004 卷 60, 2003 卷 59, 2003 卷 58, 2002 卷 57, 2002 卷 56, 2001 卷 55, 2001 卷 54, 2000 卷 53, 1999 卷 52, 1998 卷 51, 1997

电信和无线电工程

DOI: 10.1615/TelecomRadEng.v70.i11.10
pages 937-958

MODE MATCHING TECHNIQUE ALLOWANCE FOR FIELD SINGULARITIES AS APPLIED TO INNER PROBLEMS WITH ARBITRARY PIECEWISE-COORDINATE BOUNDARIES: PART 1. EIGENMODE SPECTRA OF ORTHOGONIC WAVEGUIDES

S. A. Prikolotin
A. Usikov Institute of Radio Physics and Electronics, National Academy of Sciences of Ukraine
A. A. Kirilenko
O.Ya. Usikov Institute for Radio Physics and Electronics, National Academy of Sciences of Ukraine, 12 Academician Proskura St., Kharkiv 61085, Ukraine

ABSTRACT

A generalized method is presented for determining the modal basis of hollow waveguides of complex transverse cross-section geometries with arbitrary piece-wise coordinate boundaries. The technique is based on the account of the filed singularities in the vicinity of edge discontinuities. The objects under consideration include Π - and H -waveguides, T -septum and multi-groove ones, simple and complicated cross-shaped structures, rectangular coaxial waveguides and those with the cross-section in the form of a split-ring and many others which represent structural elements of various electrodynamic systems. All stages of the implementation algorithm of the generalized Mode Matching Technique (MMT) with allowance for field singularities are described, starting from searching the complete spectrum of critical frequencies to determining the eigenmode transverse fields, which allows treating complicated vector problems of scattering in waveguides and perforated screens. Transverse electric field distributions are presented for lower- and higher-order modes in some "exotic" waveguides, which demonstrate the efficiency of the computational procedures constructed.


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