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

ISSN Print: 0040-2508
ISSN Online: 1943-6009

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Telecommunications and Radio Engineering

DOI: 10.1615/TelecomRadEng.v65.i19.30
pages 1765-1782

The Accurate Two-Dimensional Model of the Effect of the Surface Waves Transformation into the Spatial Modes

S. O. Steshenko
A. Usikov Institute of Radio Physics and Electronics, National Academy of Sciences of Ukraine, 12, Academician Proskura St., Kharkov 61085, Ukraine

ABSTRACT

The accurate mathematical model of radiation of the natural electric modes of a planar dielectric waveguide on finite number of rectangular grooves cut off on the surface of the perfectly conductive screen has been developed. Such structures are widely used in antennas of diffraction radiation. The cases of finite and zero gaps between the waveguide and the screen have been considered separately. The influence of the coupling on the diffraction characteristics of the antenna has been investigated.


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