Planar Phased-Array Antennas: Mutual Coupling and Ultralow Peak Sidelobes

descriptionPublicationkeyboard_double_arrow_right Article 01 Feb 2019 Netherlands Publisher:Institute of Electrical and Electronics Engineers (IEEE)Journal:IEEE Antennas and Propagation Magazine, volume 61, pages 14-28 (issn: 1045-9243, eissn: 1558-4143,

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Authors: Will P.M.N. Keizer;

doi: 10.1109/map.2018.2883024

Planar Phased-Array Antennas: Mutual Coupling and Ultralow Peak Sidelobes

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Abstract

This article will deal with the impact of mutual coupling on the far-field peak sidelobe performance of a finite planar phased-array antenna having a circular aperture shape and containing 2,066 elements arranged in a triangular grid. The radiator that is used is of the open-ended rectangular waveguide type, vertically polarized. The computation of the far-field performance of the array antenna is based on the use of embedded element patterns (EEPs). The effect of mutual coupling on the EEPs is taken into account through measured coupling coefficients.

Country

Netherlands

Related Organizations

Delft University of Technology
Netherlands

Keywords

Array antennas, Coupling coefficient, Mutual coupling, Triangular grid, Antenna phased arrays, Circular aperture, Embedded element, Antenna lobes, Planar phased arrays, Peak sidelobe

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