Results 11 to 20 of about 10,386,151 (162)
Anisotropic non-Kolmogorov turbulence effect on transmittance of multi-Gaussian beam
The effect of anisotropic non-Kolmogorov turbulent atmosphere on multi-Gaussian beam is investigated and the results are presented against different beam and medium parameters.
Yalçın Ata, Yahya Baykal
openaire +3 more sources
Average channel capacity in anisotropic atmospheric non-Kolmogorov turbulent medium
Abstract The average channel capacity of a free space optical (FSO) communication system running an intensity modulated Gaussian beam is examined in anisotropic non-Kolmogorov atmospheric weak turbulence based on Rytov variance. Results are obtained by employing the log-normal distribution of irradiance fluctuations corresponding to weak turbulence ...
Ata, Yalcin +2 more
openaire +4 more sources
Field correlation of flat-topped beams in anisotropic non-Kolmogorov turbulent atmosphere
Field correlation of flat-topped beams in anisotropic non-Kolmogorov turbulent atmosphere is formulated and evaluated. Larger anisotropic factor causes higher field correlations.
Yalçın Ata, Yahya Baykal
openaire +3 more sources
Satellite laser communication can achieve high-speed, high-precision, and high-security broadband communication without being constrained by the electromagnetic spectrum, which has attracted attention.
Xuewen Jiang, Yi Wang, Wangyue Lu
doaj +1 more source
Turbulence in space plasmas usually exhibits an energy cascade in which large-scale magnetic fluctuations are dominated by non-linear MHD wave–wave interactions following a Kolmogorov-like power-law spectrum.
Roberto E. Navarro, Pablo S. Moya
doaj +1 more source
The expressions of wave structure function (WSF) and long-exposure modulation transfer function (MTF) for laser beam propagation through non-Kolmogorov turbulence were derived in our previous work. In this paper, based on anisotropic maritime atmospheric
Bing Guan +3 more
doaj +1 more source
Free space optical system performance for a Gaussian beam propagating through non Kolmogorov weak turbulence [PDF]
Atmospheric turbulence has been described for many years by Kolmogorov's power spectral density model because of its simplicity. Unfortunately several experiments have been reported recently that show Kolmogorov theory is sometimes incomplete to describe
LARRY C. ANDREWS +6 more
core +1 more source
Quantifying scaling in the velocity field of the anisotropic turbulent solar wind [PDF]
Solar wind turbulence is dominated by Alfvénic fluctuations with power spectral exponents that somewhat surprisingly evolve toward the Kolmogorov value of −5/3, that of hydrodynamic turbulence.
Hnat, B., Chapman, Sandra C.
core +1 more source
Critical balance in magnetohydrodynamic, rotating and stratified turbulence : towards a universal scaling conjecture [PDF]
It is proposed that critical balance - a scale-by-scale balance between the linear propagation and nonlinear interaction time scales - can be used as a universal scaling conjecture for determining the spectra of strong turbulence in anisotropic wave ...
Nazarenko, Sergey +5 more
core +1 more source
A weak turbulence theory for incompressible magnetohydrodynamics [PDF]
We derive a weak turbulence formalism for incompressible magnetohydrodynamics. Three-wave interactions lead to a system of kinetic equations for the spectral densities of energy and helicity. The kinetic equations conserve energy in all wavevector planes
S. V. Nazarenko +7 more
core +1 more source

