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Mostrando 881 - 900 Resultados de 3,622 Para Buscar '"fractal"', tiempo de consulta: 0.21s Limitar resultados
  1. 881
    “…Moreover, the DFA-α2 was not affected by the baroreflex (postural change), unlike other autonomic markers. CONCLUSIONS: Fractal analysis of HRV (DFA-α2) allows then to predict depressive symptoms below the diagnostic threshold in healthy subjects regardless of their health status. …”
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    Heart Rate Fractality Disruption as a Footprint of Subthreshold Depressive Symptoms in a Healthy Population
  2. 882
    “…In this work, we propose fractal dimension of retinal vasculature as an easy, effective and explainable indicator of retinal image quality. …”
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    Fractal dimension of retinal vasculature as an image quality metric for automated fundus image analysis systems
  3. 883
    “…This study aims to apply fractal dimension analysis to differentiate melanomas, dysplastic nevi, and benign nevi in polarized and non-polarized light. …”
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    Fractal Dimension Analysis of Melanocytic Nevi and Melanomas in Normal and Polarized Light—A Preliminary Report
  4. 884
    “…Their locomotor complexity was analyzed and compared by fractal dimension and permutation entropy analysis. …”
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    Evaluation of Locomotion Complexity in Zebrafish after Exposure to Twenty Antibiotics by Fractal Dimension and Entropy Analysis
  5. 885
    “…Complexity quantification, through entropy, information theory and fractal dimension indices, is gaining a renewed traction in psychophsyiology, as new measures with promising qualities emerge from the computational and mathematical advances. …”
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    The Structure of Chaos: An Empirical Comparison of Fractal Physiology Complexity Indices Using NeuroKit2
  6. 886
    “…In this antenna, the dipole uses a fractal-based structure with multiple similar patches for obtaining broadband CP radiation and impedance matching. …”
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    A low-profile broadband crossed-dipole antenna with fractal structure and inverted-L plates
  7. 887
    “…Fractal properties in time series of human behavior and physiology are quite ubiquitous, and several methods to capture such properties have been proposed in the past decades. …”
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    Four Methods to Distinguish between Fractal Dimensions in Time Series through Recurrence Quantification Analysis
  8. 888
    “…A new design of a triple band perfect metamaterial absorber based on Pythagorean fractal geometry is proposed and analyzed for terahertz sensing applications. …”
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    Enhanced Sensing Capacity of Terahertz Triple-Band Metamaterials Absorber Based on Pythagorean Fractal Geometry
  9. 889
    “…Repeated mining causes the activation and development of overburden fissures, the fractal dimension increases significantly, and the regularity of changes weakens. …”
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    Fractal characteristics of overburden fissures in shallow thick coal seam mining in loess gully areas
  10. 890
    “…It was found that the effective through-plane permeability depends on the fiber column size, porosity, and fractal dimensions for pore and tortuosity. The results show that the predicted through-plane permeability by the present fractal model indicates good agreement with numerical results and available experimental data as well as empirical formulas. …”
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    A Study on the Through-Plane Permeability of Anisotropic Fibrous Porous Material by Fractal Stochastic Method
  11. 891
    “…A relationship between the geometric morphology characteristics of a fracture surface and rock mechanical properties was established based on fractal geometry. Using the Mohr–Coulomb failure and weak plane failure criteria, a rock strength criterion based on the fractal characteristics of a rock fracture surface was established. …”
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    Study on Rock Mechanical Properties and Wellbore Stability of Fractured Carbonate Formation Based on Fractal Geometry
  12. 892
    “…In this article, we consider a Covid-19 model for a population involving diabetics as a subclass in the fractal–fractional (FF) sense of derivative. The study includes: existence results, uniqueness, stability and numerical simulations. …”
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    A fractal–fractional COVID-19 model with a negative impact of quarantine on the diabetic patients
  13. 893
    “…OBJECTIVE: The basis of the research is the application of fractal analysis (FA) to panoramic radiographs of patients with primary hyperparathyroidism (PHPT). …”
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    The Investigation of Radiographic Findings of Mandibles on Panoramic Radiographs of Patients with Primary Hyperparathyroidism Using Fractal Analysis
  14. 894
    “…Drawing on both mathematical and anthropological understandings of fractality, this paper explores alternative perspectives of time as it relates to heroin addiction and poly-substance use in Scotland. …”
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    Fractals for an ethnography of time and addiction: Recursive and self-similar temporalities in heroin and poly-substance use
  15. 895
    “…The concept of a Caputo fractal-fractional derivative is a new class of non-integer order derivative with a power-law kernel that has many applications in real-life scenarios. …”
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    A computational technique for the Caputo fractal-fractional diabetes mellitus model without genetic factors
  16. 896
    por Madan, Christopher R.
    Publicado 2021
    “…However, these volumetric changes do not happen on their own, there are also age-related changes in cortical folding and other measures of brain shape. Fractal dimensionality has emerged as a more sensitive measure of brain structure, capturing both volumetric and shape-related differences. …”
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    Beyond volumetry: Considering age-related changes in brain shape complexity using fractal dimensionality
  17. 897
    Tesis Libro
    Análisis fractal de la dispersión clásica caótica en un billar circular con corte/
  18. 898
    “…They are, however, only half that value when the longitudinal direction is compared to the transverse ones. Fractality, indeed, turns out to be self-affine rather than self-similar in multiparticle production. …”
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    Large self-affine fractality in $\pi^{+}p$ and $K^{+}p$ collisions at 250 GeV/c
  19. 899
    “…This type of population establishes itself as an excellent tracer case to analyze the adaptation process, its fractalization and its involvement with the Environment. …”
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    Journey Through the Fractalization of Multilevel Governance: Levers for Adapt Healthcare Organizations Toward Migrant Populations in Canada
  20. 900
    “…Capacity degradation of the electric car lithium batteries is modeled by the multi-fractal Weibull motion. The varying degree of long-range dependence and the 1/f characteristics in the frequency domain are also analyzed. …”
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    Multi-Fractal Weibull Adaptive Model for the Remaining Useful Life Prediction of Electric Vehicle Lithium Batteries
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