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.
它的主要缺点是对频率同步比较敏感，并且峰值平均功率比（PAPR）过高。
Its main disadvantages are sensitivity to synchronization errors and high peak-to-average power ratio (PAPR).
试验建立起了凹坑深度与脉冲功率密度、激光平均功率、脉冲重复频率和离焦量之间的关系曲线。
Crater depth versus pulse power density, average laser power, pulse repetition frequency and focal distances are built up through experiment.
主电极间正常的辉光放电以及使混合气快速流动且不被污染是重复频率TEA CO_2激光器实现高平均功率输出的重要条件。
The normal glow discharge between the main electrodes and the rapid flow of the unpolluted gas mixtures are necessary conditions for the output of high average power for TEA CO2 laser.
主电极间正常的辉光放电以及使混合气快速流动且不被污染是重复频率TEA CO_2激光器实现高平均功率输出的重要条件。
The normal glow discharge between the main electrodes and the rapid flow of the unpolluted gas mixtures are necessary conditions for the output of high average power for TEA CO2 laser.
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