Results 51 to 60 of about 22,343 (210)

The role of cardiac acoustic biomarkers in monitoring patients with heart failure: A systematic literature review

open access: yesESC Heart Failure, Volume 12, Issue 2, Page 980-997, April 2025.
Abstract Heart failure (HF) creates a considerable clinical, humanistic and economic burden on patients and caregivers as well as on healthcare systems. To attenuate the significant burden of HF, there is a need for enhanced management of patients with HF.
Javed Butler   +8 more
wiley   +1 more source

Local Multifractal Analysis

open access: yes, 2012
33 ...
Barral, Julien   +3 more
openaire   +2 more sources

Research on Multifractal Characteristics of Vehicle Driving Cycles

open access: yesMachines, 2023
Vehicle driving cycles have complex characteristics, but there are few publicly reported methods for their quantitative characterization. This paper innovatively investigates their multifractal characteristics using the fractal theory to characterize ...
Mengting Yuan   +3 more
doaj   +1 more source

Multi-fractal analysis of weighted networks [PDF]

open access: yes, 2014
In many real complex networks, the fractal and self-similarity properties have been found. The fractal dimension is a useful method to describe fractal property of complex networks.
Chen, Xiaowu   +5 more
core  

Donor‐acceptor fractal synergy: Decoding self‐similarity for stable organic photovoltaics

open access: yesFlexMat, EarlyView.
Morphological congruence between donor and acceptor refines the fractal structure of bulk heterojunction films and enhances their self‐similarity. This optimized multiscale morphology preserves charge‐transport pathways against external disturbances, suppresses structural degradation, and improves the operational stability of organic solar cells while ...
Runzheng Gu   +13 more
wiley   +1 more source

Revisiting multifractal analysis

open access: yes, 2010
11 ...
Nasr, Fathi Ben, Peyrière, Jacques
openaire   +2 more sources

Synchronizations in Complex Systems Dynamics Through a Multifractal Procedure

open access: yesEntropy
The dynamics of complex systems often exhibit multifractal properties, where interactions across different scales influence their evolution. In this study, we apply the Multifractal Theory of Motion within the framework of scale relativity theory to ...
Vlad Ghizdovat   +6 more
doaj   +1 more source

Long range correlation in cosmic microwave background radiation

open access: yes, 2011
We investigate the statistical anisotropy and Gaussianity of temperature fluctuations of Cosmic Microwave Background radiation (CMB) data from {\it Wilkinson Microwave Anisotropy Probe} survey, using the multifractal detrended fluctuation analysis ...
C. L. Alados   +17 more
core   +1 more source

A Comparison of Realized Measures of Integrated Volatility: Price Duration‐ vs. Return‐Based Approaches

open access: yesJournal of Forecasting, EarlyView.
ABSTRACT We study the accuracy of a variety of parametric price duration‐based realized variance estimators constructed via various financial duration models and compare their forecasting performance with the performance of various nonparametric return‐based realized variance estimators.
Björn Schulte‐Tillmann   +2 more
wiley   +1 more source

Distribution of Air Temperature Multifractal Characteristics Over Greece

open access: yesAtmosphere, 2019
In this study, Multifractal Detrended Fluctuation Analysis (MF-DFA) is applied to daily temperature time series (mean, maximum and minimum values) from 22 Greek meteorological stations with the purpose of examining firstly their scaling behavior and then
Nikolaos Kalamaras   +4 more
doaj   +1 more source

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