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- electric power frequency communication 工频电力通信
- power frequency communication technology 工频通信技术
- The Realization of a Remote and Automatic Meter Reading System Based on Power Line Power Frequency Communication 基于工频的远程电力线数据采集系统的实现
- DETECTION OF POWER FREQUENCY COMMUNICATION SIGNAL BASED ON ADAPTIVE NOTCH FILTER 基于自适应陷波器的工频电力通信信号检测
- Power Frequency Communication Technique That Can Stride Over Distribution Transformers 基于配电网的跨变压器台区电力通信技术
- Impact in power frequency variation. 频率变化之影响。
- Power frequency communication 工频通信
- Is Radio Frequency communication 'among' automatic machines allowed? 是否允许自动机器人之间的射频通讯?
- 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。
- The Radio frequency communication irreplaceably makes mobile communication realized in underground mine. 射频通信无可替代地实现了矿山井下的移动通信。
- 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。
- 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。
- Video Frequency Communication Channel: When there are many controlled stations,the 2 Mbps self-heal loop net can be established based on the control-platform unit. 视频通道:当被控站较多时,采用以调度台为单位组成2 Mbps自愈环网;
- 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;
- 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。
- The king was shorn of his power by his nobles. 国王被手下的贵族们剥夺了权力。
- 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。