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Beamforming network on the basis of unequal coupled waveguides

  • Electrodynamics and Wave Propagation
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Abstract

The theory and the results of the numerical simulation of a microwave beamforming network in the form of a system of unequal coupled waveguides are presented. The beamforming network is designed for a quasi-optical multibeam antenna. It is shown that the proposed N-channel network forms N flat-top patterns, which intersect each other at a level close to −3 dB. The input channels are matched and are isolated. The theory of coupled waves is used to optimize the device. The theory of the systems of coupled EBG waveguides is developed on the basis of the method of compensating sources. The design version of a beamforming network on the basis of coupled EBG waveguides is considered. The results of the numerical calculation of the characteristics of this beamforming network are presented.

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Authors
  1. S. E. Bankov
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Additional information

Original Russian Text © S.E. Bankov, 2009, published in Radiotekhnika i Elektronika, 2009, Vol. 54, No. 7, pp. 796–805.

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Bankov, S.E. Beamforming network on the basis of unequal coupled waveguides. J. Commun. Technol. Electron. 54, 755–764 (2009). https://doi.org/10.1134/S1064226909070031

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  • DOI: https://doi.org/10.1134/S1064226909070031

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