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Telecommunications and Radio Engineering
SJR: 0.202 SNIP: 0.2 CiteScore™: 0.23

ISSN Imprimer: 0040-2508
ISSN En ligne: 1943-6009

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Telecommunications and Radio Engineering

DOI: 10.1615/TelecomRadEng.v66.i15.20
pages 1355-1364

Approximate Solutions of a Dispersion Equation for a Cylindrical Waveguide with Impedance Boundaries

N. N. Gorobets
V. Karazin National University of Kharkiv, 4, Svoboda Sq., Kharkiv, 61022, Ukraine; Kharkiv National University of Radio Engineering and Electronics, 14 Nauka Ave, Kharkiv, 61166, Ukraine
A. P. Udovenko
V. Karazin National University of Kharkiv, 4, Svoboda Sq.; Institute of Radio Astronomy, National Academy of Sciences of Ukraine 4, Krasnoznamennaya Str., Kharkiv 61002, Ukraine

RÉSUMÉ

The approximate solution of a dispersion equation for eigenmodes of the regular transmission line with impedance boundaries in high- and low-frequency approaches are presented. The relations for the cutoff-frequencies of asymmetric hybrid modes are derived. Dispersion properties of a two-layer dielectric waveguide in a circular metallic shield are examined.


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