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本文通过对全国 10 0 m跑比赛冠军周伟破男子 10 0 m跑全国纪录前后肌电信号的分形分维分析发现 ,运动员在不同训练状态时 ,肌电信号的分形维数明显不同 ;不同负荷的肌电信号的分形维数基本相同 ;同一运动员完成同一动作时的不同肌群的肌电信号的分形维数也相对稳定 ;在同一训练阶段 ,肌肉在不同收缩状态的肌电信号的分形维数也明显不同。
In this paper, fractal and fractal dimension analysis of EMG signals before and after the national 10 0 m race of 100m race winner Zhou Wei broke through the national records found that the athletes’ EMG signals have different fractal dimension under different training states. Different load The fractal dimension of EMG signals are basically the same; the fractal dimension of EMG signals of different muscle groups when the same athlete performs the same motion is also relatively stable; in the same training phase, the fractal dimension of EMG signals in different contractions The numbers are also significantly different.