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Impact of the COVID-19 pandemic on the intermittent behavior of the global spot markets of staple food crops: 《Journal of Management Science and Engineering》2024年第4期510-521,共12页Xing-Lu Gao Zhi-Qiang Jiang Wei-Xing Zhou; supported by the National Natural Science Foundation of China(72171083);the Fundamental Research Funds for Central Universities.; Intermittent or multifractal behavior has been reported in various markets,and the impact of the COVID-19 pandemic has been investigated.However,the impact of the COVID-19 pandemic on global spot markets for staple fo...; 关键词：ECONOPHYSICS Multifractal analysis Agricultural food markets Statistical tests Intrinsic multifractality COVID-19 pandemic

Multi-Fractal Analysis of Daily Air Temperature Time Series in Coastal Areas of China: 《Journal of Tropical Meteorology》2020年第3期348-362,共15页LI Zhong-liang HE Guang-xin SHEN Wei-shou ZHEN Xiao-ju HAN Jing; National Key R&D Program of China(2018YFC1506900,2018YFC1506904);National Natural Science Foundation of China(41875027,41911530242);Key Laboratory of South China Sea Meteorological Disaster Prevention and Mitigation of Hainan Province(SCSF201804,419QN330);Research Program of Key Laboratory of Meteorology and Ecological Environment of Hebei Province(Z201603Z)。; In this article,the Multi-Fractal Detrended Fluctuation Analysis(MF-DFA)method is adopted to study the temperature,i.e.,the maximum temperature(Tmax),mean temperature(Tavg)and minimum(Tmin)air temperature,multifractal...; 关键词：daily temperature MULTIFRACTALITY multifractal strength long-range correlation

Self-similar segmentation and multifractality of post-stack seismic data: 《Petroleum Exploration and Development》2020年第4期781-790,共10页ELYAS Hedayati Rad HOSSEIN Hassani YOUSEF Shiri SEYED Jamal Sheikh Zakariaee; Layering detection is an important step in petroleum engineering.Time series of post-stack seismic data and wire-line log data belong to subsurface layering.They exhibit multifractal properties with complex patterns b...; 关键词：post-stack seismic data MULTIFRACTALITY Hurst exponent self-similar segmentation layering detection

A Study of Multifractal Analysis in <sup>16</sup>O-AgBr Collisions at 60A and 200A GeV: 《Journal of Modern Physics》2018年第5期1039-1036,共8页Nazeer Ahmad Tufail Ahmad Omveer Singh Shakeel Ahmad; A multifractal analysis to study the multiparticle dynamics in 60A and 200A GeV, 16O-AgBr collisions has been performed in the pseudorapidity phase space. Multifractal moments, Gq, as the function of pseudorapidity bi...; 关键词：MULTIFRACTALITY Pseudorapidity FLUCTUATION Generalized Dimension Scaling

Multifractal Characteristics of Intermittent Turbulence in the Urban Canopy Layer被引量：1: 《Atmospheric and Oceanic Science Letters》2015年第2期72-77,共6页XU Jing-Jing HU Fei; supported by the National Natural Science Foundation of China(Grant Nos.11472272 and 91215302);the Special Fund for Meteorological Research in the Public Interest(Grant No.GYHY201206041); The multifractality of energy and thermal dissipation of fully developed intermittent turbulence is investigated in the urban canopy layer under unstable conditions by the singularity spectrum for the fractal dimensio...; 关键词：urban canopy layer intermittent turbulence turbulent dissipation MULTIFRACTALITY singularity spectrum

Presence of Multifractality in High-Energy Nuclear Collisions: 《Journal of Modern Physics》2014年第17期1889-1895,共7页M. I. Haque M. Tariq Tahir Hussain; In the present study an attempt is made to examine multifractality in multiparticle production in relativistic nuclear collisions;multifractality is investigated in 14.5 A GeV/c 28Si-nucleus collisions. For this, Gq-m...; 关键词：MULTIFRACTAL MOMENTS Dynamical FLUCTUATIONS QUARK-GLUON Plasma EMULSION

A Study of Multifractal Spectra and Renyi Dimensions in 14.5A GeV/c <sup>28</sup>Si-Nucleus Collisions: 《Journal of Modern Physics》2014年第14期1288-1293,共6页N. Ahmad A. Kamal M. M. Khan Hushnud A. Tufail; A systematic analysis of the data on 14.5A GeV/c 28Si-nucleus collisions is carried out to investigate the behaviours of Renyi dimensions, Dq and Multifractal Spectral Function, f(αq). The Renyi dimensions, Dq are ob...; 关键词：Nucleus-Nucleus Cillisions MULTIFRACTALITY and Non-Statistical Fluctuatuons

Multifractal analysis of complex networks被引量：3: 《Chinese Physics B》2012年第8期85-95,共11页王丹龄喻祖国 Anh V; Project supported by the Australian Research Council (Grant No. DP0559807);the National Natural Science Foundation of China (Grant No. 11071282);the Science Fund for Changjiang Scholars and Innovative Research Team in University (PCSIRT)(Grant No. IRT1179);the Program for New Century Excellent Talents in University (Grant No. NCET-08-06867);the Research Foundation of the Education Department of Hunan Province of China (Grant No. 11A122);the Natural Science Foundationof Hunan Province of China (Grant No. 10JJ7001);the Science and Technology Planning Project of Hunan Province of China(Grant No. 2011FJ2011);the Lotus Scholars Program of Hunan Province of China,the Aid Program for Science and Technology Innovative Research Team in Higher Education Institutions of Hunan Province of China,and a China Scholarship Council-Queensland University of Technology Joint Scholarship; Complex networks have recently attracted much attention in diverse areas of science and technology. Many networks such as the WWW and biological networks are known to display spatial heterogeneity which can be charact...; 关键词：complex networks MULTIFRACTALITY box covering algorithm

Complexity and characteristic frequency studies in ECG signals of mice based on multiple scale factors被引量：1: 《Science China(Life Sciences)》2011年第6期544-552,共9页YANG XiaoDong HE AiJun LIU Peng SUN TongFeng NING XinBao; supported by the National Natural Science Foundation of China (Grant No. 61003169);the Ph.D. Programs Foundation of Ministry of Education of China (Grant No. 20090095120013);the Technology Funding Project of China University of Mining and Technology (Grant No. 2008C004); Existing methods of physiological signal analysis based on nonlinear dynamic theories only examine the complexity difference of the signals under a single sampling frequency.We developed a technique to measure the mul...; 关键词：ECG MULTIFRACTALITY COMPLEXITY frequency scale factor characteristic frequency

A new measure to characterize multifractality of sleep electroencephalogram被引量：3: 《Chinese Science Bulletin》2006年第24期3059-3064,共6页MA Qianli NING Xinbao WANG Jun BIAN Chunhua; Acknowledgements This work was supported by the National Natural Science Foundation of China （Grant No. 60501003）.; Traditional methods for nonlinear dy-namic analysis,such as correlation dimension,Lyapunov exponent,approximate entropy,detrended fluctuation analysis,using a single parameter,cannot fully describe the extremely sophi...; 关键词：睡眠脑电图 EEG 奇异谱多分形体

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