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The Method of Calculation of Open and Closed Waveguides, Which Is Based on the Modified Method of Discrete Sources

  • Electrodynamics and Wave Propagation
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Abstract

The problem of calculation of eigenmode characteristics is considered for 3D open dielectric waveguides and waveguides with the anisotropic impedance boundary condition. An efficient algorithm is proposed for finding eigenmodes of waveguides having different cross-sections. It is based on the solution of the auxiliary problem of diffraction of the field of a filamentous source located inside the waveguide. The method is tested using weakly directing dielectric waveguides having circular and elliptical sections and a waveguide with the two-sheeted section. The results of calculation of dielectric waveguides obtained with the help of the proposed method, the method of finite elements, and the method of the integral equation over the waveguide section are compared. The circular and elliptical waveguides and the waveguide having a two-sheeted section with an anisotropic impedance are also investigated. The calculation results are compared with the results obtained with the use of the method of separation of variables and the Galerkin method.

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Authors and Affiliations

  1. Moscow Technical University of Communications and Informatics, Moscow, 111024, Russia

    S. A. Manenkov

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  1. S. A. Manenkov
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Correspondence to S. A. Manenkov.

Additional information

Original Russian Text © S.A. Manenkov, 2018, published in Radiotekhnika i Elektronika, 2018, Vol. 63, No. 6, pp. 515–523.

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Manenkov, S.A. The Method of Calculation of Open and Closed Waveguides, Which Is Based on the Modified Method of Discrete Sources. J. Commun. Technol. Electron. 63, 512–520 (2018). https://doi.org/10.1134/S1064226918060189

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  • DOI: https://doi.org/10.1134/S1064226918060189

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