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Determining real permittivity from fresnel coefficients in GNSS-R

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dc.contributor.author Savi, Patrizia
dc.contributor.author Bertoldo, Silvano
dc.contributor.author Milani, Albert
dc.date.accessioned 2022-02-10T09:36:17Z
dc.date.available 2022-02-10T09:36:17Z
dc.date.issued 2019-03-15
dc.identifier.citation Savi, P., Bertoldo, S. and Milani, A. (2019) Determining real permittivity from fresnel coefficients in GNSS-R. Progress In Electromagnetics Research M,79, 159-166,doi:10.2528/PIERM18120708 http://www.jpier.org/PIERM/pier.php?paper=18120708 en_US
dc.identifier.issn 19378726
dc.identifier.uri http://repository.biust.ac.bw/handle/123456789/404
dc.description.abstract Global Navigation Satellite System Reflectometry (GNSSR) can be used to derive information about the composition or the properties of ground surfaces, by analyzing signals emitted by GNSS satellites and reflected from the ground. If the received power is measured with linearly polarized antennas, under the condition of smooth surface, the reflected signal is proportional to the modulus of the perpendicular and parallel polarization Fresnel coefficients, which depend on the incidence angle θ, and on the dielectric constant ε of the soil. In general, ε is a complex number; for non-dispersive soils, the imaginary part of ε can be neglected, and a real value of ε is sought. We solve the real-valued problem explicitly giving formulas that can be used to determine the dielectric constant ε and we compare the analytical solution with experimental data in the case of sand soil. en_US
dc.language.iso en en_US
dc.publisher Electromagnetics Academy en_US
dc.subject Polarization en_US
dc.subject Soils en_US
dc.subject Dispersive soils en_US
dc.subject Fresnel coefficient en_US
dc.subject Global navigation satellite systems en_US
dc.subject Ground surfaces en_US
dc.subject Incidence angles en_US
dc.subject Linearly polarized antennas en_US
dc.subject Parallel polarization en_US
dc.subject Reflected signal en_US
dc.title Determining real permittivity from fresnel coefficients in GNSS-R en_US
dc.description.level phd en_US
dc.description.accessibility unrestricted en_US
dc.description.department mss en_US


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