Mostrando 761 - 780 Resultados de 3,622 Para Buscar '"fractal"', tiempo de consulta: 0.29s Limitar resultados
  1. 761
    “…In this article, a light-diffusion algorithm in WSN to connect all the IISNs is designed, based on the Peano fractal and swarm intelligence, i.e., without using a hub, simply sharing parameters with two adjacent IINSs, assuming that any IISN knows the parameters of the rest of these devices, even if they are not adjacent. …”
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  2. 762
    “…With the increase of slag content, the SEM photos fractal dimension of AACGS mortar specimens increases, and the fractal dimension and compressive strength also show a significant positive linear relationship. …”
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  3. 763
    “…It consists of applying empirical mode decomposition (EMD) to extract the most relevant intrinsic mode functions (IMFs) and subsequent computation of the Teager and instantaneous energy, Higuchi and Petrosian fractal dimension, and detrended fluctuation analysis (DFA) for each IMF. …”
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  4. 764
    por Kosmidis, Kosmas, Macheras, Panos
    Publicado 2020
    “…Here, we present a modification of the classical SI model, the Fractal Kinetics SI model which is in excellent agreement with the disease outbreak data available from the World Health Organization. …”
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  5. 765
    “…Recently, a multifractal-multiscale approach to detrended fluctuation analysis (DFA) was proposed to evaluate the cardiovascular fractal dynamics providing a surface of self-similarity coefficients α(q,τ), function of the scale τ, and moment order q. …”
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  6. 766
    “…First, a surface profiler (NV5000 5022s) was used to measure the surface, and the morphology data thereof were characterized. Second, fractal theory was used to simulate the surface profile for different fractal dimensions D and scale coefficients G, and statistical analyses of different surface morphologies were carried out. …”
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  7. 767
    por Alkahtani, Badr Saad T., Jain, Sonal
    Publicado 2021
    “…These operators are defined as the convolution of variable order fractal differential operators with different kernels including power law, exponential decay law, and Mittag-Leffler functions. …”
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  8. 768
    “…The human brain is considered as a self-organizing system with self-similarities at various temporal and spatial scales called “fractals”. In this scale-free system, it is possible to decode the complexity of information processing using fractal behavior. …”
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  9. 769
  10. 770
  11. 771
    “…This study aimed to evaluate and compare changes in the mandibular trabecular bone pattern using the fractal dimension (FD) and lacunarity analysis in tobacco users with healthy controls. …”
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  12. 772
    “…The experiment results indicate that the printing direction has a more significant influence on the fractal dimension compared with the sand to binder ratio (S/B). …”
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  13. 773
  14. 774
  15. 775
    “…The roughness of pore surfaces in shale reservoirs can affect the fluid flow, which makes it necessary to be characterized. Fractal dimension, a key component in fractal geometry, can be used to describe the surface irregularities. …”
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  16. 776
    “…Furthermore, a novel numerical method is introduced based on Adams–Bashforth fractal-fractional approach for the derivation of an iterative scheme of the fractal-fractional ABC model. …”
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  17. 777
    “…We achieved a reduction in hardware costs for a fractal decoder by using the fractal property of the indivisible code from 10% to 30% for different n while receiving the reciprocal of the golden ratio.…”
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  18. 778
    “…Here, we control the aging time to prepare Ni(x)Se(y) with different fractal structures as a bifunctional catalyst. An obtained sample with an aging time of 80 min shows outstanding electrocatalytic performance for hydrogen evolution reactions (HER) with an overpotential of 225 mV (η@10 mA/cm(2)) and for oxygen evolution reactions (OER) with an overpotential of 309 mV (η@50 mA/cm(2)). …”
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  19. 779
    “…Background: Temporal fractals are characterized by prominent scale-invariance and self-similarity across time scales. …”
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  20. 780
    por Weng, Xiaojing, Vuong, Luat T.
    Publicado 2022
    “…We numerically simulate and analyze the performance of the DSDM system with a particular focus on the divergence angle, roaming area, kernel bit-error-rate (K-BER), and fractal order. Our simulation results achieve K-BERs of 10[Formula: see text] with [Formula: see text] -pixel fractal beams at link distances of 2.5 km when the receiver sizes are 30[Formula: see text] of the effective beam diameter.…”
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