Abstract
Using an asymptotic solution to the 2D diffraction problem for the open end of a horn, the method transverse sections, and the results of the numerical analysis, a numerical-analytical model for matching of symmetric TEM horns is built. The finite element method is used to estimate the accuracy of this model. The model is used to find optimum values of the input and output characteristic impedances as well as the variation law of this impedance along the horn length optimal from the viewpoint of obtaining the minimum value of the low-frequency boundary of matching at a level of −10 dB for a semiinfinite frequency band. The finite element method is used to refine the values of the determined parameters. Matching characteristics of synthesized horns are compared with available results.
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Original Russian Text © N.A. Efimova, V.A. Kaloshin, 2014, published in Radiotekhnika i Elektronika, 2014, Vol. 59, No. 1, pp. 60–66.
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Efimova, N.A., Kaloshin, V.A. On matching of symmetric TEM horns. J. Commun. Technol. Electron. 59, 54–60 (2014). https://doi.org/10.1134/S1064226914010033
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DOI: https://doi.org/10.1134/S1064226914010033