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Telecommunications and Radio Engineering
SJR: 0.202 SNIP: 0.2 CiteScore™: 0.23

ISSN Imprimer: 0040-2508
ISSN En ligne: 1943-6009

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Telecommunications and Radio Engineering

DOI: 10.1615/TelecomRadEng.v60.i1012.10
14 pages

The Troposphere Refraction Estimation by Attenuation Factor of Radiowave beyond-the-Horizon Propagation

V. I. Lutsenko
A. Usikov Institute of Radio Physics and Electronics, National Academy of Sciences of Ukraine, 12, Academician Proskura St., Kharkov 61085
Ye. N. Belov
A. Usikov Institute of Radio Physics and Electronics, National Academy of Sciences of Ukraine 12, Academician Proskura St., Kharkov 61085, Ukraine
I. V. Lutsenko
A. Usikov Institute of Radio Physics and Electronics, National Academy of Sciences of Ukraine, 12, Academician Proskura St., Kharkov 61085, Ukraine
Stanislav I. Khomenko
A.Ya. Usikov Institute for Radiophysics and Electronics of the National Academy of Sciences of Ukraine 12, Academician Proskura St., Kharkiv 61085, Ukraine

RÉSUMÉ

A technique of the troposphere refraction properties estimation by attenuation factor of the TV signals on over-the-horizon path is proposed. The experimental results of attenuation factor and their statistical performances on over-the-horizon paths in the diffraction and long-distance tropospheric zones are presented. Using the approach proposed, these performances are recalculated in terms of equivalent gradients of the refraction factor. A comparison with the troposphere performance direct measurements using the spheres-probes was carried out. Seasonal and daily variability of the refraction gradients and attenuation was investigated. The empirical dependences of attenuation factor fluctuations variance on the effective gradient of the troposphere refraction coefficient index were derived.


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