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电信和无线电工程
SJR: 0.202 SNIP: 0.2 CiteScore™: 0.23

ISSN 打印: 0040-2508
ISSN 在线: 1943-6009

卷:
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电信和无线电工程

DOI: 10.1615/TelecomRadEng.v69.i18.70
pages 1661-1672

RADIALLY TWO‐LAYER SPHERE AS A SENSOR OF DIELECTRIC CHARACTERISTICS OF A LIQUID INTO WHICH IT IS SUBMERGED

A. Ya. Kirichenko
A. Usikov Institute of Radio Physics and Electronics, National Academy of Sciences of Ukraine 12, Academician Proskura St., Kharkov 61085
Yu. V. Prokopenko
O.Ya. Usikov Institute for Radio Physics and Electronics, National Academy of Sciences of Ukraine, 12 Academician Proskura St., Kharkiv 61085, Ukraine
O. A. Suvorova
A. Usikov Institute of Radio Physics and Electronics, National Academy of Sciences of Ukraine 12, Academician Proskura St., Kharkov 61085, Ukraine
Yu. F. Filippov
A. Usikov Institute of Radio Physics and Electronics, National Academy of Sciences of Ukraine 12, Academician Proskura St., Kharkov 61085, Ukraine

ABSTRACT

The possibility is analyzed of applying a spherical, radially two-layer dielectric resonator as a sensor for determining the medium complex permittivity. Expressions for the electromagnetic field components of eigenmodes and characteristic equations of the resonator are presented. Numerical investigations of a centimeter wavelength resonator with a quartz interior and polikor exterior layer being placed into various media are performed. It is shown that the resonator eigenfrequency is sensitive to variations of the ambient medium permittivity with the effect being dependent on the radial thickness of the external layer.


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