Journal
ALGORITHMS
Volume 15, Issue 8, Pages -Publisher
MDPI
DOI: 10.3390/a15080259
Keywords
physiological signals; multifractal analysis; multiplicative models; feature extraction
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In this paper, a multi-fractal analysis was conducted on a diastolic blood pressure signal. The signal exhibited interesting scaling properties and a pronounced multifractality. The study also demonstrated how the analyzed signal could be described by a concise multifractal model.
In this paper, a multi-fractal analysis on a diastolic blood pressure signal is conducted. The signal is measured in a time span of circa one day through the multifractal detrended fluctuation analysis framework. The analysis is performed on asymptotic timescales where complex regulating mechanisms play a fundamental role in the blood pressure stability. Given a suitable frequency range and after removing non-stationarities, the blood pressure signal shows interesting scaling properties and a pronounced multifractality imputed to long-range correlations. Finally, a binomial multiplicative model is investigated showing how the analyzed signal can be described by a concise multifractal model with only two parameters.
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