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12 November 2020 Field of the ground wave over inhomogeneous frozen radio paths
Mikhail G. Dembelov, Yuri B. Bashkuev, V. P. Melchinov
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Proceedings Volume 11560, 26th International Symposium on Atmospheric and Ocean Optics, Atmospheric Physics; 115606Q (2020) https://doi.org/10.1117/12.2575542
Event: 26th International Symposium on Atmospheric and Ocean Optics, Atmospheric Physics, 2020, Moscow, Russian Federation
Abstract
The field of the ground wave which is created by a vertical electric dipole above an inhomogeneous surface of the Earth is considered. For inhomogeneous radio paths, the calculation of the attenuation function of the ground wave field is proposed to be performed by the method of the Feinberg’s integral equation, which takes into account the underlying medium in the form of a multi-sectional impedance path. This method allows performing calculations in the LF-MF ranges of radio waves over long paths with relatively "poor" conductivity of the medium. In the initial homogeneous section of the radio path, the attenuation function is calculated according to the model of a “flat” Earth surface using Sommerfeld's formulas. The values of the attenuation function of the ground wave field over permafrost radio paths in the North-East of Russia are calculated.
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Mikhail G. Dembelov, Yuri B. Bashkuev, and V. P. Melchinov "Field of the ground wave over inhomogeneous frozen radio paths", Proc. SPIE 11560, 26th International Symposium on Atmospheric and Ocean Optics, Atmospheric Physics, 115606Q (12 November 2020); https://doi.org/10.1117/12.2575542
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KEYWORDS
Numerical analysis
Medium wave
Spherical lenses
Materials science
Systems modeling
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