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Journal of Automation and Information Sciences
SJR: 0.232 SNIP: 0.464 CiteScore™: 0.27

ISSN Imprimir: 1064-2315
ISSN En Línea: 2163-9337

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Journal of Automation and Information Sciences

DOI: 10.1615/JAutomatInfScien.v50.i10.60
pages 77-83

Modeling and Analysis of Effective Electromagnetic Parameters of Capillary System of Agricultural Soils Electric Conductivity. Low-Frequency Resonances in Empty Cylinders of Circular Section with Ideal Surface Conductivity Along Helices

Alexander A. Brovarets
Kiev Cooperative Institute of Business and Law, Kiev
Yuriy V. Chovnyuk
National University of Life and Environmental Sciences of Ukraine, Kiev

SINOPSIS

Receiving and transmitting devices of field information machines for the study of agricultural soils which determine their effective electromagnetic parameters, in particular, of the capillary system, are considered. The problem of the diffraction of a plane wave, which normally falls on an empty anisotropic cylinder with a small electric radius and ideal conductivity, which exists in them along the helices, forming a small angle with the axis of the cylinder is studied. The author has found the conditions which give rise to a powerful low-frequency resonance, which leads to a finite perturbation of the scattering diagram.

REFERENCIAS

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  2. Nosich A.I., Shestopalov V.P., Electromagnetic analog of the Helmholtz resonator, Doklady AN SSSR, 1977, 234, No. 1, 53–56.

  3. Parkhomenko E.I., Geoelectric properties of minerals and rocks at high pressures and temperatures [in Russian], Nauka, Moscow, 1989.

  4. Basniev K.S., Kochina I.N., Maksimov V.M., Underground hydromechanics [in Russian], Nedra, Moscow, 1993.

  5. Aleksandrov P.N., Effective electromagnetic parameters of the capillary system for the conductivity of a rock, Fizika Zemli, 2000, No. 2, 87–94.

  6. Fedorov F.I., The theory of gyrotropy [in Russian], Nauka i tekhnika, Minsk, 1976.

  7. Tretyakov S.A., Electrodynamics of continuous media: chiral, biisotropic, and some bianisotropic materials, Radiotekhnika i elektronika, 1994, 39, No. 10, 1457–1470.


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