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Trifocal Three-Layer Slotted Waveguide Antenna Array

  • ANTENNA AND FEEDER SYSTEMS
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Abstract

A trifocal planar slotted waveguide antenna array consisting of three layers, the first two of which are planar waveguides and the third is an array of rectangular metal waveguides with paired longitudinal or transverse slots on wide walls, is proposed and studied. A solution to the synthesis problem is used to determine the shape of the mirrors and the position of the slots in rectangular waveguides that provide emission of a plane wave at three positions of the source of a cylindrical wave (feed) in a planar waveguide. The rms aberration of the antenna array optimized in angles of view of 40 and 80 deg when moving the feed along the focal curve is studied, and it is shown that such an aberration is less than that of a three-layer two-mirror and two-layer single-mirror bifocal antenna arrays by a factor of 4.5–11.

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Funding

This work was supported by state contract no. 0030-2019-006.

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Authors and Affiliations

  1. Kotelnikov Institute of Radio Engineering and Electronics, Russian Academy of Sciences, 125007, Moscow, Russia

    V. A. Kaloshin

  2. Moscow Institute of Physics and Technology (National Research University), 141700, Dolgoprudny, Moscow oblast, Russia

    D. T. Le

Authors
  1. V. A. Kaloshin
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  2. D. T. Le
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Corresponding author

Correspondence to V. A. Kaloshin.

Additional information

Translated by A. Chikishev

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Kaloshin, V.A., Le, D.T. Trifocal Three-Layer Slotted Waveguide Antenna Array. J. Commun. Technol. Electron. 66, 1163–1168 (2021). https://doi.org/10.1134/S1064226921100077

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  • DOI: https://doi.org/10.1134/S1064226921100077

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