Abstract
A 2D array of radiators excited by the modes of a planar array of parallel waveguides and focused in the Fresnel zone is considered. The problem of determining the positions of array radiators for focusing the field at a finite distance from the array aperture is solved for the cases of plane and cylindrical fronts of the initial distribution of the phases of waveguide modes. A phenomenological model of the slotted-waveguide array is used to determine the position of the focal line, the aberration of the scattering spot, and the frequency scanning sector.
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Original Russian Text © S.E. Bankov, V.A. Kaloshin, E.V. Frolova, 2016, published in Radiotekhnika i Elektronika, 2016, Vol. 61, No. 6, pp. 547–557.
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Bankov, S.E., Kaloshin, V.A. & Frolova, E.V. Synthesis and analysis of a frequency-scanned planar waveguide array focused in the Fresnel zone. J. Commun. Technol. Electron. 61, 587–597 (2016). https://doi.org/10.1134/S1064226916060036
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DOI: https://doi.org/10.1134/S1064226916060036