计算机工程与应用2016，Vol.52Issue(6)：31-34,79,5.DOI:10.3778/j.issn.1002-8331.1507-0253
基于MF-DFA的交通流量多重分形研究
Multifractal analysis of traffic flow based on MF-DFA
摘要
Abstract
Due to complexity and fluctuation in traffic flow time series, Multi-Fractal Detrended Fluctuation Analysis (MF-DFA)method is applied to investigate the fractal behavior of traffic volume in urban expressway. The traffic volume data on on-ramp and off-ramp of Wuzhong road in Shanghai inner ring viaduct are selected respectively and corresponding results are compared with each other. The results show that multifractality and the long-range anti-persistent behavior exist on both on-ramp and off-ramp situations. Additionally, the degree of multifractality on off-ramp is found to be higher than that on on-ramp, implying that long-range correlation behaviors are more obvious on off-ramp situation. These findings from real observations are advantage for studying the fluctuation characteristics of traffic flow time series.关键词
交通流/多重分形消除趋势波动分析法/多重分形谱Key words
traffic flow/multifractal detrended fluctuation analysis/multifractal spectrum分类
交通工程引用本文复制引用
王俊丽,张辰彦,何红弟,林国龙..基于MF-DFA的交通流量多重分形研究[J].计算机工程与应用,2016,52(6):31-34,79,5.基金项目
国家自然科学基金（No.11302125）。 （）
