We consider a method for determining the complex dielectric permittivity of ore and nonmetal minerals in the microwave band of electromagnetic radiation. The results of measuring the reflectivity and transmittivity of chalcopyrite, magnetite, sphalerite, and labradorite samples in the frequency range 77–300 GHz are presented. A method for calculation of the complex dielectric permittivity of minerals on the basis of the obtained experimental data is proposed. The approximation formulas for calculation of the complex dielectric permittivity of the studied minerals are given.
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Translated from Izvestiya Vysshikh Uchebnykh Zavedenii, Radiofizika, Vol. 51, No. 12, pp. 1071–1080, December 2008.
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Tikhonov, V.V., Polyakova, O.N., Gol’tsman, G.N. et al. Determination of dielectric properties of ore minerals in the microwave band. Radiophys Quantum El 51, 966–974 (2008). https://doi.org/10.1007/s11141-009-9100-8
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DOI: https://doi.org/10.1007/s11141-009-9100-8