Zobrazeno 1 - 10
of 87
pro vyhledávání: '"Refractivity gradient"'
Autor:
Sanyaolu Modupe
Publikováno v:
Songklanakarin Journal of Science and Technology (SJST), Vol 45, Iss 2, Pp 250-255 (2024)
The quantification of anomalies in radio signal transmission has been a serious challenge in using data from radiosondes to determine meteorological parameters in Ede, Nigeria. The point refractivity gradient and geoclimatic factor were analyzed in
Externí odkaz:
https://doaj.org/article/a3ef06c48a9c49df949e5a27827f42f0
Autor:
Chi Cong Pham, Xuan Anh Nguyen
Publikováno v:
ICT Express, Vol 8, Iss 4, Pp 611-617 (2022)
This article uses radiosonde data of balloons in Hanoi to determine the radio refractive index and the conditions of radio wave propagation in the atmosphere. The research results in the three years 2016–2018 show the highest average radio refracti
Externí odkaz:
https://doaj.org/article/baaefacf7a1540708040662a83b156cc
Autor:
Pham, Chi Cong a, ⁎, Nguyen, Xuan Anh b, c
Publikováno v:
In ICT Express December 2022 8(4):611-617
Autor:
Abimbola, O.J. ⁎, a, Bada, S.O. a, Falaiye, A.O. b, Sukam, Y.M. b, Otto, M.S. a, Muhammad, S. a
Publikováno v:
In Scientific African November 2021 14
Autor:
Y. B. Lawal, E. T. Omotoso
Publikováno v:
Journal of Nigerian Society of Physical Sciences, Vol 5, Iss 1 (2023)
The quality of services provided via Inter-Terrestrial radio communication links such as GSM networks, Wide Area Network (WAN), Radio and TV broadcasts is largely influenced by some meteorological parameters such as temperature, pressure and humidity
Externí odkaz:
https://doaj.org/article/cbbcea83a6e04e6598fa3d67624e1fcb
Publikováno v:
In Advances in Space Research 1 May 2020 65(9):2203-2215
Publikováno v:
Scientific African, Vol 14, Iss , Pp e01054- (2021)
Radio refractivity, which is the bending of a radio signal as it propagates through media, is very important in works involving terrestrial atmospheric electromagnetic propagation such as point-to-point microwave communication, terrestrial radio and
Externí odkaz:
https://doaj.org/article/70f7d43438ee488fb396fc3cab0ca7e8
Publikováno v:
In Heliyon August 2019 5(8)
Autor:
Bettouche, Y., Kouki, A., Agba, B., Obeidat, Huthaifa A.N., Alhassan, H., Rodriguez, Jonathan, Abd-Alhameed, Raed, Jones, Steven M.R.
Yes
In this paper, local meteorological data for a period of 35 years (from 1979 to 2013) from Kuujuaq station have been used to calculate the surface refractivity, N and to estimate the vertical refractivity gradient, dN1, in the lowest atmosph
In this paper, local meteorological data for a period of 35 years (from 1979 to 2013) from Kuujuaq station have been used to calculate the surface refractivity, N and to estimate the vertical refractivity gradient, dN1, in the lowest atmosph
Externí odkaz:
http://hdl.handle.net/10454/17153
Publikováno v:
Heliyon, Vol 5, Iss 8, Pp e02083- (2019)
Complexity and nonlinear trend in the internal activities of the troposphere has been a great factor affecting the transmission and receiving of good quality of signals globally. In lieu of this, prediction of chaos and positive refractivity gradient
Externí odkaz:
https://doaj.org/article/f54f3cbbf9b64d5abbc085b4d2167e8d