Results 161 to 170 of about 2,679 (211)

Global Ionospheric and Thermospheric Effects of the June 2015 Geomagnetic Disturbances: Multi-Instrumental Observations and Modeling. [PDF]

J Geophys Res Space Phys, 2017
Astafyeva E, Zakharenkova I, Huba JD, Doornbos E, van den IJssel J.   +4 more
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Precise positioning with current multi-constellation Global Navigation Satellite Systems: GPS, GLONASS, Galileo and BeiDou. [PDF]

Sci Rep, 2015
Li X, Zhang X, Ren X, Fritsche M, Wickert J, Schuh H.   +5 more
europepmc   +1 more source

Study of GNSS Loss of Lock Characteristics under Ionosphere Scintillation with GNSS Data at Weipa (Australia) During Solar Maximum Phase. [PDF]

Sensors (Basel), 2017
Liu Y, Fu L, Wang J, Zhang C.
europepmc   +1 more source

Satellite Positioning: Performances under Ionospheric Scintillations

, 2013
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Ionospheric scintillations

Radio Science, 1983
A renormalization technique, employed in the spirit of the formal theory of scattering, is applied to the problem of ionospheric scintillations. In the forward scattering limit, using a Markov approximation for ionospheric fluctuations and renormalized moment equations, one derives the wave statistics for a plane wave or beam propagating through the ...
D. M. Wu, N. Marcuvitz
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Ionospheric irregularities and scintillation

Advances in Space Research, 2003
Abstract One of the important research objectives of the Space Weather Program is to understand the structure and formation of ionospheric plasma-density irregularities that cause scintillation of radio waves on transionospheric links. In this paper we briefly review some aspects of scintillation and irregularities: the relationship between ...
A.W. Wernik, J.A. Secan, E.J. Fremouw
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High latitude ionospheric scintillations

Canadian Journal of Physics, 1984
The statistical characteristics of ionospheric irregularities are often described by specifying one or two of the statistical parameters of the scintillations that the irregularities produce in satellite radio signals. The most commonly used parameter for this purpose is the spectral index (slope of the power spectral density function on a log–log ...
J. A. Fulford, P. A. Forsyth
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Turbulence signatures in high--latitude ionospheric scintillation

Journal of Geophysical Research: Space Physics, 2022
AbstractGround‐based amplitude measurements of Global Navigation Satellite System signal during ionospheric scintillation are analyzed using prevalent data analysis tools developed in the fields of fluid and plasma turbulence. One such tool is the structure function of order q, with q = 1 to q = 6, which reduces to the computation of the second‐order ...
K. Meziane, A. M. Hamza, P. T. Jayachandran   +2 more
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Scintillation Effects in the Ionosphere

2019 PhotonIcs & Electromagnetics Research Symposium - Spring (PIERS-Spring), 2019
Statistical characteristics of scattered ordinary and extraordinary electromagnetic waves in the turbulent collision magnetized plasma caused by electron density fluctuations are calculated using modify smooth perturbation method taking into account both diffraction effects and polarization coefficients. Scintillation level is analyzed analytically and
George Jandieri, Akira Ishimaru, Jaromir Pistora, Michal Lesnak, Natalia Zhukova   +4 more
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Ionospheric Scintillations of Satellite Signals

Proceedings of the IRE, 1960
The scintillation of satellite-emitted radio signals has been observed using two different techniques, namely, Doppler-shift frequency measurements and radio direction finding. In this shortened version of our complete paper, there are given the results obtained using Doppler-shift measurements only.
H. P. Hutchinson, P. R. Arendt
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