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Boyarskii, D. A.; Gershenzon, V. E.; Gershenzon, E. M.; Gol'tsman, G. N.; Ptitsina, N. G.; Tikhonov, V. V.; Chulkova, G. M. |
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On the possibility of determining the microstructural parameters of an oil-bearing layer from radiophysical measurement data |
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1996 |
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J. of Communications Technology and Electronics |
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J. of Communications Technology and Electronics |
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41 |
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5 |
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408-414 |
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submillimeter waves, transmission |
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A method for the reconstruction of microstructural properties of an oil-bearing rock from the spectral dependence of the transmission factor of submillimeter waves is proposed. |
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1064-2269 |
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Радиотехника и электроника 41, no. 4 (1996): 441-447 |
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1611 |
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Polyakova, O. N.; Tikhonov, V. V.; Dzardanov, A. L.; Boyarskii, D. A.; Gol’tsman, G. N. |
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Title |
Dielectric characteristics of ore minerals in a 10–40 GHz frequency range |
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Journal Article |
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2008 |
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Tech. Phys. Lett. |
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Tech. Phys. Lett. |
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34 |
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11 |
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967-970 |
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Keywords |
ore minerals, complex permittivity, sphalerite, magnetite, labradorite |
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Abstract |
A new approach to investigation of the complex dielectric permittivity of both nonmetallic and ore minerals in the microwave frequency range is proposed. Using this approach, data on the complex permittivity of sphalerite, magnetite, and labradorite in a 10–40 GHz frequency range have been obtained for the first time. A method is proposed for calculating the complex permittivity from experimentally measured frequency dependences of the reflection and transmission coefficients of a plane-parallel plate of a given mineral. Approximate expressions that can be used for calculations of the complex refractive index and permittivity of minerals are presented. |
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1063-7850 |
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1406 |
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Tikhonov, V. V.; Boyarskii, D. A.; Polyakova, O. N.; Dzardanov, A. L.; Goltsman, G. N. |
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Title |
Radiophysical and dielectric properties of ore minerals in 12--145 GHz frequency range |
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Journal Article |
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2010 |
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PIER B |
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PIER B |
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25 |
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349-367 |
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Keywords |
complex permittivity, ore minerals |
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The paper discusses a retrieval technique of complex permittivity of ore minerals in frequency ranges of 12--38 GHz and 77--145 GHz. The method is based on measuring frequency dependencies of transmissivity and reflectivity of plate-parallel mineral samples. In the 12--38 GHz range, the measurements were conducted using a panoramic standing wave ratio and attenuation meter. In the 77--145 GHz range, frequency dependencies of transmissivity and reflectivity were obtained using millimeter-band spectrometer with backward-wave oscillators. The real and imaginary parts of complex permittivity of a mineral were determined solving an equation system for frequency dependencies of transmissivity and reflectivity of an absorbing layer located between two dielectric media. In the course of the work, minerals that are primary ores in iron, zinc, copper and titanium mining were investigated: magnetite, hematite, sphalerite, chalcopyrite, pyrite, and ilmenite. |
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RPLAB @ gujma @ |
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639 |
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