Abstract
A rigorous three-dimensional electrodynamic model of hybrid electromagnetic oscillations in a “cylindrical to rectangular waveguide” waveguide branch filled with a dielectric is constructed. The eigen types of oscillations are classified into branching eigen resonances at transcendental modes and resonances of the waveguide-dielectric type. For resonances of the first type, electromagnetic field in the communication region of the waveguides is described with the sum of the fields of the damped waves of the partial waveguides, and for resonances of the second type with the sum fields of damped and propagating waves. Oscillations of the first type exist both when the waveguide branching is filled with a dielectric and in empty branching. The second type of resonance exists only in structures with a dielectric constant greater than unity. The structure under study can be used to measure the electrical parameters of dielectric samples. Since, the spectral branching characteristics are mainly determined by the size of the central communication area waveguides and electrical parameters of parts of the dielectric that is located there, the measurements are local in nature.
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Islamov, I.J., Hasanov, M.H., Abbasov, M.H. (2022). Simulation of Electrodynamic Processes in the Cylindrical-Rectangular Microwave Waveguide Systems Transmitting Information. In: Aliev, R.A., Kacprzyk, J., Pedrycz, W., Jamshidi, M., Babanli, M., Sadikoglu, F.M. (eds) 11th International Conference on Theory and Application of Soft Computing, Computing with Words and Perceptions and Artificial Intelligence - ICSCCW-2021. ICSCCW 2021. Lecture Notes in Networks and Systems, vol 362. Springer, Cham. https://doi.org/10.1007/978-3-030-92127-9_35
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