Application of the Haar Wavelet to the Analysis of Plasma and Atmospheric Fluctuations


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The parameters of turbulence measured by means of a Doppler reflectometer at the plasma periphery in an L-2M stellarator and in atmospheric vortices (typhoons and tornadoes) are investigated using the wavelet methods with involvement of the Haar function. The periods of time taken for the transition (a bound of parameters) to occur in the L-2M stellarator plasma and in atmospheric processes are estimated. It is shown that high-and low-frequency oscillations of certain parameters, in particular, pressure, that occur in atmospheric vortices decay or increase at different moments of time, whereas the density fluctuation amplitudes that occur in plasma at different frequencies vary in a synchronous manner.

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S. Maslov

Faculty of Mechanics and Mathematics; Joint Institute for High Temperatures

编辑信件的主要联系方式.
Email: sergm90@mail.ru
俄罗斯联邦, Moscow, 119991; Moscow, 125412

A. Kharchevsky

Moscow Technological University (MIREA), Radio Engineering and Telecommunication Systems Institute

Email: sergm90@mail.ru
俄罗斯联邦, Moscow, 119454

V. Smirnov

Moscow Technological University (MIREA), Radio Engineering and Telecommunication Systems Institute

Email: sergm90@mail.ru
俄罗斯联邦, Moscow, 119454

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