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Pisma v Zhurnal Tekhnicheskoi Fiziki, 2021, Volume 47, Issue 9, Pages 52–54
DOI: https://doi.org/10.21883/PJTF.2021.09.50910.18653 (Mi pjtf4806) 		 
Fluctuation analysis of the dynamics of systems with time-varying characteristics

O. N. Pavlova, A. N. Pavlov

Saratov State University
Full-text PDF (758 kB)
DOI: https://doi.org/10.21883/PJTF.2021.09.50910.18653
Abstract: The fluctuation analysis method is modernized with allowance for the statistics of local standard deviations of the signal profile from the piecewise linear approximation of the trend. It is shown that the proposed approach allows one to reduce the method’s sensitivity to individual artifacts and to increase the stability of the algorithm for calculating the scaling exponent, which favors a wider use of modernized fluctuation analysis for solving problems of complex process diagnostics in the dynamics of systems with time-varying characteristics.
Keywords: fluctuation analysis, random process, nonstationarity, scaling exponent.
Funding agency Grant number
Ministry of Education and Science of the Russian Federation НШ-2594.2020.2
Mathematical Center of Saratov State University
This study was supported by the Russian Federation Presidential Program for State Support of Leading Scientific Schools (grant no. NSh-2594.2020.2) and the Mathematical Center of Saratov State University.
Received: 10.12.2020
Revised: 10.12.2020
Accepted: 17.02.2021
English version:
Technical Physics Letters, 2021, Volume 47, Issue 6, Pages 463–465
DOI: https://doi.org/10.1134/S1063785021050126
Bibliographic databases:
Document Type: Article
Language: Russian
Citation: O. N. Pavlova, A. N. Pavlov, “Fluctuation analysis of the dynamics of systems with time-varying characteristics”, Pisma v Zhurnal Tekhnicheskoi Fiziki, 47:9 (2021), 52–54; Tech. Phys. Lett., 47:6 (2021), 463–465
Citation in format AMSBIB
\Bibitem{PavPav21}
\by O.~N.~Pavlova, A.~N.~Pavlov
\paper Fluctuation analysis of the dynamics of systems with time-varying characteristics
\jour Pisma v Zhurnal Tekhnicheskoi Fiziki
\yr 2021
\vol 47
\issue 9
\pages 52--54
\mathnet{http://mi.mathnet.ru/pjtf4806}
\crossref{https://doi.org/10.21883/PJTF.2021.09.50910.18653}
\elib{https://elibrary.ru/item.asp?id=46318378}
\transl
\jour Tech. Phys. Lett.
\yr 2021
\vol 47
\issue 6
\pages 463--465
\crossref{https://doi.org/10.1134/S1063785021050126}
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