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Telecommunications and Radio Engineering
SJR: 0.203 SNIP: 0.44 CiteScore™: 1

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

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Telecommunications and Radio Engineering

DOI: 10.1615/TelecomRadEng.v65.i1.10
pages 1-18

The Strong Approach to Analysis of Transients in the Axially Symmetrical Waveguide Units

V. L. Pazynin
O.Ya. Usikov Institute for Radio Physics and Electronics, National Academy of Sciences of Ukraine 12, Academician Proskura St., Kharkiv 61085, Ukraine
K. Yu. Sirenko
O.Ya. Usikov Institute for Radio Physics and Electronics, National Academy of Sciences of Ukraine 12, Academician Proskura St., Kharkiv 61085, Ukraine

RÉSUMÉ

The exact “absorbing” conditions for virtual boundaries in the cross-sections of regular circular and coaxial circular waveguides are constructed, which allow one to truncate efficiently the computational domain of finite-difference methods as applied to the simulation of transients in open axially-symmetric waveguide resonators. The “open” initial-boundary value problems, describing the impulse TE0N- and TM0N-waves in the structure of this kind, are reduced to the equivalent “closed” ones. The so-obtained conditions are embodied in the computer programs for the analysis and model synthesis of functional units of impulse-wave radiators.


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