The fractal features of accident time series were studied by using G-P(Grassberger-Procaccia)arithmetic and correlation dimension of accident time series was calculated out.
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研究结果表明:当嵌入维数达到8以后;该事故动力学系统具有稳定的关联维数4.;7;说明至少有5个因子在影响着事故时间序列的动态变化;并且该系统的有效自由度为8。
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