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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.v63.i2.30
pages 119-130

Frequency-Selective Properties of a Multi-Element Screen with Rectangular Waveguide Channels

A. V. Gribovsky
Institute of Radio Astronomy, National Academy of Sciences of Ukraine, 4 Mystetstv St., Kharkiv 61002, Ukraine

RÉSUMÉ

The algorithm have been elaborated for calculation of a generalized wave-scattering matrix by the flat finite-thickness multi-element screen with rectangular waveguide channels. The frequency dependence of reflection factor of a plane electromagnetic wave that is normally impacted upon a two-element screen, have been studied. Wide and narrow walls of rectangular waveguide channels are mutually parallel. The high-Q resonances of total passage and reflection which are similar to “cutoff mode” resonances have uncovered. It is shown that the change in geometrical dimensions of the screen prowids a possibility to obtain the resonances at quite definite frequencies.


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