A generalized multi-relaxation refractive mixing dielectric model of moist soils is suggested for frequencies in the range from 0.2 to 14.8 GHz. The model is based on dielectric measurements in this frequency range at a temperature of 20°С for relative moisture content (by weight) changing from 2 to 43%. The model expands the range of applicability of the single-relaxation model suggested previously to the megahertz frequency range with allowance for the Maxwell–Wagner ionic relaxation which is clearly manifested in this frequency range for bound soil water. It is demonstrated that the error in calculating the complex dielectric permittivity spectra of the moist soil has the same order of magnitude as the error of experimental data used for model construction.
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Translated from Izvestiya Vysshikh Uchebnykh Zavedenii, Fizika, No. 3, pp. 75–79, March, 2013.
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Mironov, V.L., Bobrov, P.P., Fomin, S.V. et al. Generalized refractive mixing dielectric model of moist soils considering ionic relaxation of soil water. Russ Phys J 56, 319–324 (2013). https://doi.org/10.1007/s11182-013-0034-4
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DOI: https://doi.org/10.1007/s11182-013-0034-4