Results 141 to 150 of about 2,542 (182)

Time scales and gaps, Haar fluctuations and multifractal geochronologies. [PDF]

Commun Earth Environ
Lovejoy S, Davies R, Spiridonov A, Hebert R, Lambert F.   +4 more
europepmc   +1 more source

Rhythmic and arrhythmic components from local-field potentials during non-rapid eye movement sleep in younger and older mice. [PDF]

Sleep Adv
Dubé J, Corbin J, Hernandez J, Lina JM, Mongrain V, Timofeev I, Carrier J.   +6 more
europepmc   +1 more source

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Nonsimultaneous hierarchy: Multifractal analysis

Physical Review A, 1990
We define a simple hierarchical model in two dimensions incorporating two independent and nonsimultaneous rescaling procedures in orthogonal directions. The multifractal framework and corresponding thermodynamic formalism necessary for analyzing models of this type are set up using the concept of partial dimensions, and the model is then analyzed.
, Amritkar, , Gupte
openaire   +2 more sources

Multifractal analysis of earthquakes

pure and applied geophysics, 1992
Multifractal properties of the epicenter and hypocenter distribution and also of the energy distribution of earthquakes are studied for California, Japan, and Greece. The calculated D q −q curves (the generalized dimension) indicate that the earthquake process is multifractal or heterogeneous in the fractal dimension.
Tadashi Hirabayashi, Keisuke Ito, Toshikatsu Yoshii   +2 more
openaire   +1 more source

Box-counting multifractal analysis

Physical Review A, 1992
Two box-counting algorithms for the determination of generalized fractal dimensions are described. Results of application of the algorithms to Euclidean curves, quadric islands, Koch symmetric and asymmetric triadic snowflakes, and split snowflake halls introduced by Mandelbrot [Fractal Geometry of Nature (Freeman, New York, 1983)] are described ...
, Meisel, , Johnson, , Cote
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Multifractals, texture, and image analysis

Proceedings 1992 IEEE Computer Society Conference on Computer Vision and Pattern Recognition, 2003
Image analysis using texture and multifractal paradigms is addressed. Multifractal theory and its application to image description are discussed, and it is shown that this approach allows the discrete signal to be worked on directly. A system for texture classification that is based on a learning scheme and does not make use of any a priori model is ...
Lévy Véhel, Jacques, Mignot, P., Berroir, Jean-Paul   +2 more
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Multifractal analysis of ZnO nanoparticles

Materials Science and Engineering: C, 2020
ZnO nanoparticles (NPs) have variety of applications in different fields due to its size, structure, as well as physical and chemical properties. One of its prominent characteristics is its antibacterial behavior. Nonlinear Dynamical Theory (NLD) has a vast scope in the field of material science, especially when subtle correlations are searched for to ...
Rajat K, Saha, Mrinal K, Debanath, Eeshankur, Saikia   +2 more
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A modified Multifractal Detrended Fluctuation Analysis (MFDFA) approach for multifractal analysis of precipitation

Physica A: Statistical Mechanics and its Applications, 2021
zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Jorge Luis Morales Martínez, Ignacio Segovia-Domínguez, Israel Quiros Rodríguez, Francisco Antonio Horta-Rangel, Guillermo Sosa-Gómez   +4 more
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Multifractal radiographic analysis of osteoporosis

Medical Physics, 1994
An important complication of osteoporosis is fracture. Alteration in bone structure, as well as decreased bone mass, contribute to the tendency to fracture in osteoporosis. Current methods that measure bone mass alone show substantial overlap of the measurements of osteoporotic patients who fracture with those that do not.
P, Caligiuri, M L, Giger, M, Favus
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Reading multifractal spectra: Aging by multifractal analysis of heart rate

EPL (Europhysics Letters), 2011
The method of effective reading of multifractal properties is proposed. The method consists in the analysis of a given signal together with the analysis of an integrated signal. A practical way to separate monofractal-type signals from other signals is given. The method is applied to 24-hour ECG recordings of RR-interbeat intervals to assess the effect
D. Makowiec, A. Rynkiewicz, R. Gałaska, J. Wdowczyk-Szulc, M. Żarczyńska-Buchowiecka   +4 more
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