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Simulation of electromagnetic fields and calculation of cutoff frequencies of waveguides with complex cross-sections

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Radiophysics and Quantum Electronics Aims and scope

Abstract

An algorithm and a program for the calculation of the natural frequencies and fields of irregular waveguides are presented. The algorithm permits calculation of the fields of waveguides with complex cross-sections (L-, H, and E-profiles) and waveguides partially filled with dielectrics having constant electromagnetic characteristics. The method involves replacement of the 2-D electrodynamic problem by a discrete mathematical model, which can be interpreted as a system of electrically coupled circuits. Analyzing the behavior of the currents in a discrete model by electrical engineering methods, we obtain an approximate solution of the reference electrodynamic problem. Numerical calculation results and errors are given.

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Authors
  1. A. L. Sushchikh
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Additional information

State Technical University, Novosibirsk. Translated from izvestiya Vysshikh Uchebnykh Zavedenii, Radiofizika, Vol. 38, No. 9, pp. 969–981, September, 1995.

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Sushchikh, A.L. Simulation of electromagnetic fields and calculation of cutoff frequencies of waveguides with complex cross-sections. Radiophys Quantum Electron 38, 631–639 (1995). https://doi.org/10.1007/BF01037847

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  • DOI: https://doi.org/10.1007/BF01037847

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