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NUMERICAL-ANALYTICAL METHOD FOR SOLUTION TO THE PROBLEM OF ELECTROMAGNETIC WAVE RADIATION FROM FLAT WAVEGUIDE WITH FINITE NUMBER OF SLOTS

heading: 
MICROWAVE ELECTRODYNAMICS
Vorobyov, SN
Organization: 

Institute of Radio Astronomy of the National Academy of Sciences of Ukraine
4, Krasnoznamennaya st., Kharkov, 61002, Ukraine
E-mail: vorobyov@rian.kharkov.ua
https://doi.org/10.15407/rej2016.02.003
Language: Russian
Abstract: 

Characteristics of radiation of electromagnetic waves from flat metallic waveguide filled with a dielectric and having the finite number of not equidistant parallel slots on one side of the waveguide excited by a fundamental waveguide wave are studied. This structure allows an accurate electrodynamical solution with minimum known radiophysical assumptions and as a model might correspond to real antennas fabricated of thin foiled dielectric having electrically long slots. The problem is solved by the method of analytical semi-inversion of original problem operator combined with the method of moments. The near and far radiation fields (Е and Н-field components), as well as power characteristics of reflected and propagated in the waveguide fields are analyzed.
Keywords: analytical semi-inversion, electromagnetic waves, method of moments, near and far radiation fields, the Fourier integral, waveguide slot antennas

Manuscript submitted 12.02.2016
PACS 02.30.Rz
Radiofiz. elektron. 2016, 21(2): 3-14
Full text (PDF)

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