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Cybernetics And Systems Analysis
International Theoretical Science Journal
UDC 681.32
L.S. Fainzilberg1


1 International Scientific and Training Center of Information Technologies and Systems, National Academy of Sciences of Ukraine and Ministry of Education and Science of Ukraine, Kyiv, Ukraine

fainzilberg@gmail.com

NEW APPROACHES TO ANALYSIS AND INTERPRETATION OF CYCLIC SIGNAL’S SHAPE

Abstract. New methods for extracting localized diagnostic information from cyclic signals of complex shape are proposed. The advantages of an alternative method for estimating the shape of an averaged cycle based on the transition from a scalar signal to its mapping on the phase plane are shown. Original methods for estimating the dynamics of parameters characterizing the shape of informative fragments of the signal based on the construction of the convex hull of the phase portrait of the permutation entropy and the Levenshtein distance are proposed.

Keywords: cyclic signal, phase portrait, permutation entropy, Levenshtein distance.



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