Synthesis of diffraction radiation antenna aperture effective in an extended frequency bandwidth

A technique for the synthesis of the diffraction radiation antenna aperture, based on a rigorous electrodynamics model of a dielectric waveguide surface wave scattering on a periodic comb grating, is described. The search for the optimal aperture parameters is based on a genetic algorithm. Maximum a...

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Bibliographic Details
Main Authors: Ostankov, A. V., Krasnov, R. P., Kondusov, V. A., Povetko, V. N., Malyshev, I. I.
Format: Conference Proceeding
Language:English
Subjects:
Antennas
Apertures
Bandwidths
Dielectric waveguides
Diffraction
Diffraction radiation
Electrodynamics
Frequencies
Genetic algorithms
Optimization
Radiation
Surface waves
Synthesis
Wave scattering
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Description
Summary:A technique for the synthesis of the diffraction radiation antenna aperture, based on a rigorous electrodynamics model of a dielectric waveguide surface wave scattering on a periodic comb grating, is described. The search for the optimal aperture parameters is based on a genetic algorithm. Maximum antenna efficiency in a given frequency bandwidth for a fixed direction of radiation is used as an optimization criterion. The possibility of ensuring effective operation of the antenna in an extended frequency band is shown.
ISSN:0094-243X
1551-7616
DOI:10.1063/5.0071742