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- The average EEG(AEEG) increased while the average mean power frequency (MPF) and comprexity of EEG decreased in muscle fatigue. 肌肉疲劳过程中平均脑电值(AEEG)均值增加,平均功率频率值(MPF)和脑电信号复杂度[C(n)]均值下降,该现象广泛分布于整个大脑皮层;
- mean power frequency 平均功率频率
- Impact in power frequency variation. 频率变化之影响。
- The disconnector shall operator at the power frequency short circuit while MOA's failure under the abnormal conditions. 避雷器带脱离的目的是当避雷器在异常情况下发生故障损坏时，工频短路电流使脱离器工作，脱离器接地端自动脱开，使故障的避雷器与系统脱离，并表明故障避雷器更换。
- A review on the study on power frequency electromagnetic field hazards to organisms. 工频电磁场生理危害的研究进展。
- It was 46.2 seconds in the microincision phaco group and 27.4 seconds in the conentional phaco group," she said."The mean power used, howeer, was the same for the two groups. 微切口组用时46.;2秒而常规组用时27
- After analyzing a DwPTS searching algorithm,this paper proposed a novel DwPTS searching algorithm based on the mean power decision principle.The algorithm is tested and emulate d. 在分析现有下行引导时序搜寻算法的基础上,研究了基于平均功率准则的搜寻算法,对该算法做了测试和仿真。
- The New Techniques Development of High Voltage High Power Frequency Converter of ABB Co. ABB高压大功率变频器的最新技术发展
- When the frequency changer has malfunction, power frequency is adopted, and the motor speed is nonadjustable. 万一变频器出现故障时，可工频驱动，转速不可调。
- It is pointed out that the power frequency electromagnetic field is inductive field,but not radiation field. 对输变电工程工频电磁场、无线电干扰进行了理论分析,指出输变电工程工频电磁场是感应场,而非辐射场。
- Wealth may be an excellent thing, for it means power, leisure, and liberty. 财富可能是一样好东西,因为它意味著权力,安逸和自由。
- Review neutral line potential shift protecto,rdepict mostly index of power frequency overvoltage 、 undervoltage and electric surge protection. 通过对中性线电位偏移保护器的回顾,简述了中性线电位保护器的设计思想和工频过、欠电压保护的主要指标。
- The principle of arc-suppression coil with three phases and five columns,and theory of power frequency extinguishing arcing were introduced. 介绍了三相五柱式消弧线圈的工作原理,单相电弧接地过电压的工频熄弧理论。
- At present, since the method used in the pricing of electric energy is based on the weighted mean power factor in China, the time-varying load characteristics of users cannot be reflected. 目前,国内电能计费方法原理上是基于加权平均功率因数的,无法反映用户的时变负载特性,收费时不能区分不同性质负载的用户并进行分别处理。
- For three-phase AC power supply systems and locomotive converter complex and electric locomotives gradually tend to adopt a one-way AC power frequency. 因三相交流供电系统和机车变流装置复杂，电力机车逐渐趋向采用工频单向交流电。
- Secondly, two classical models of distributed parameter DLSP: power frequency model and time-domain model.Based on these two models dynamic phasor model has been deduced. 其次，本文分析了同杆双回线分布参数的两种经典模型：工频量模型和时域模型，并在此基础上推导了时变动态相量模型。
- By power we mean the rate of doing work. 我们说功率就是指做功的速率。
- S.L. Lu, C.E. Lin, and C.L. Huang, "Power frequency harmonic measurement using integer periodic extension method," Electric Power Systems Research, vol. 44, 1998, pp. 107-115. 叶迺昆，电力谐波频谱分析之改善，国立中山大学电机工程学系硕士论文，民国八十七年六月。
- The power frequency voltages and currents induced in UHVDC lines under different parallel erection lengths and different adjacent distances are calculated. 计算了交/直流线路不同平行架设长度、不同接近距离下特高压直流线路上感应的工频电压、电流。
- R.Sekerinska and V.Dimcev, “Measurement of power frequency magnetic fields in different environments,” IEEE Electrotechnical Conference, pp.1107-1110, 2000. 陈韦达，电力电缆线路磁场之降低对策，国立台湾科技大学硕士论文，民国九十四年六月。
