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Telecommunications and Radio Engineering
SJR: 0.203 SNIP: 0.44 CiteScore™: 1

ISSN Druckformat: 0040-2508
ISSN Online: 1943-6009

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Telecommunications and Radio Engineering

DOI: 10.1615/TelecomRadEng.v72.i19.30
pages 1747-1753

HIGH-Q MODES IN IRREGULAR HYBRID STRUCTURES

I. N. Bondarenko
Kharkiv National University of Radio Engineering and Electronics, 14, Nauka Ave, Kharkiv, 61166, Ukraine
A. V. Galich
Kharkiv National University of Radio Engineering and Electronics
S. I. Troitski
Kharkiv National University of Radio Engineering and Electronics

ABSTRAKT

Cavity resonant transmitters with coaxial microprobe are widely used in non-contact microwave diagnostics of materials and media at scanning microwave microscopy. Measurement sensitivity of this technique is determined by quality factor of the cavity of the meter and efficiency of its coupling with the probe. The aim of our investigation is to analyze the conditions of excitation and maintenance of high-Q oscillations in irregular hybrid structures as coaxial cone, a truncated cone, connected to a coaxial cone, cylinder cavity, coupled with a truncated cone and coaxial cone. Numerical simulation and experimental device examination define the conditions of excitation and types of high-Q oscillations in such irregular hybrid structures and the conditions for communication of high-Q oscillations with an aperture of a coaxial probe parts are also identified. Irregular hybrid structures in configurations being discussed in the paper can be effectively used to create high-Q resonance transducers for contact less microwave diagnostics of different objects.


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