...值压强、冲量等足底压力参数及胫骨前肌、腓肠肌、股直肌与股二头肌的表面肌电时域参数积分肌电(iEMG)和频域参数平均功率频率(MPF),并检验峰值压强与身高、体质量的相关性.
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采用频域方法提取肌电信号特征， 求取EMG功率谱的平均功率频率(mean power frequency)和中值频率(median frequency)是两种比 较常用的方法。
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即平均功率频率 Mean Power Frequency ; MPF
参数有平均功率频率 Mean Power Frequency ; MPF
有平均功率频率 meanpowerfrequency ; MPF
软件进行平均功率频率 meanpowerfrequency ; MPF
据报道疲劳时肌纤维动作电位传导速度(MCV)和肌电图平均功率频率(MPF)均有下降。
The decrease in muscle fibre action potential conduction velocity (MCV) and electromyographic mean power frequency (MPF) has been reported by many researchers.
对于力量与体重、肌电图的峰值、起始时间、峰值时间、中位频率、平均功率、和频段均进行标准化描述后进行统计计算。
The descriptive statistics for body weight normalized strength, normalized peak EMG, time to onset, time to peak, median frequency, mean power frequency, and frequency bands were calculated.
结果表明，当平均功率和脉冲宽度相同时，切缝宽度随着脉冲频率的增大而减小；
The results show that kerf width decreases with pulse frequency increases under the same average power and pulse width.
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