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摘要： 大量研究结果表明实际网络流量具有明显的尺度特性，在大尺度上表现出自相似，在小尺度上表现出多重分形。多重分形为刻画流量在小尺度上的奇异性提供了良好的数学框架，而小波变换对具有长程依赖性的流量起到了去相关的作用，因此有必要利用小波技术来研究多重分形。为了能全面有效地刻画现代网络特征，利用小波技术对实际流量进行分析，首先判断流量的全局特性与局部特性，然后对流量进行不同分组，分别采取组内打乱和组间打乱顺序的方法，深入探讨影响多重分形的因素，最后发现均值和方差对多重分形有较大影响。
