Linear antenna arrays of EHF band on dielectric waveguides

 

U. E. Sedelnikov, E. U. Oleinik, Shaban Mohamed

Kazan National Research Technical University named after A. N. Tupolev – KAI, 10 Karl Marx Str., Kazan, 420111, Russia

 

 The paper is received on May 28 2018, after correction - on July 3, 2018

 

Abstract. The problem of constructing millimeter band antennas, based on dielectric waveguide structures, is considered. For the analysis of this problem, a modified energy approach based on the representation of the irregular dielectric structure by the antenna array is proposed. The problems of analysis of directional properties and aperture synthesis are considered. Two variants of antennas based on a grooved dielectric waveguide are considered: antennas with irregularities in the form of grooves and antennas with irregularities in the form of metal strips. Two variants of the arrangement of irregularities are also considered: identical irregularities with a fixed distance between their centers, irregularities with different widths and distances between centers. A method for obtaining quantitative data for calculating the electrical characteristics of antennas is presented. The results of electrodynamic modeling of antennas are presented. It is shown that the use of the proposed approach in the analysis and synthesis of antennas provides the accuracy that is acceptable for practical applications.

Key words: millimeter waveband, antenna array, dielectric waveguide, leaky wave antenna, energy approach, electrodynamics modeling.

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For citation:
U. E. Sedelnikov, E. U. Oleinik, Shaban Mohamed. Linear antenna arrays of EHF band on dielectric waveguides. Zhurnal Radioelektroniki - Journal of Radio Electronics. 2018. No. 8. Available at http://jre.cplire.ru/jre/aug18/1/text.pdf

DOI  10.30898/1684-1719.2018.8.1