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

ISSN Imprimir: 0040-2508
ISSN En Línea: 1943-6009

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Telecommunications and Radio Engineering

DOI: 10.1615/TelecomRadEng.v75.i11.10
pages 949-967

A SEMI-ANALYTICAL METHOD FOR SOLVING THE PROBLEM OF ELECTROMAGNETIC WAVE RADIATION FROM PLANAR WAVEGUIDES WITH A FINITE NUMBER OF SLOTS

S. N. Vorobyov
Institute of Radio Astronomy, National Academy of Sciences of Ukraine 4, Mystetstv St., Kharkiv 61002, Ukraine

SINOPSIS

Characteristics of electromagnetic wave radiation are analyzed for a planar dielectric-filled metallic waveguide with a finite number of unevenly spaced parallel slots of different width cut in one side of the waveguide which is excited by the fundamental mode. Such a structure admits a rigorous electrodynamic solution with a minimum number of familiar physical assumptions and could be used a good model of real antennas made of a thin foil-coated dielectric material with electrically long slots. The problem is solved by the method of analytical semi-inversion of the initial boundary-value problem operator in combination with the method of moments. The near- and far-zone radiation fields, specifically, E- and H-field components, are analyzed along with the power characteristics of the fields which are reflected and transmitted into the waveguide.


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