| 1. | The subscript i refers to instantaneous values . 脚注i指瞬时值。 |
| 2. | This is an instantaneous value 这就是即时值。 |
| 3. | Load test results are extensive and include , for example , a graph that shows the instantaneous values of counters over the duration of the test 负载测试的结果较为广泛,例如,它包括一个反映在整个测试运行期间计数器的瞬时值的图形。 |
| 4. | The defect of this method is that the virtual value will lag the instantaneous value about one cycle . this event result in the virtual value is not exact 这种方法的缺点是有效值的求取要滞后瞬时值将近一个周期,使得有效值的求取并不准确。 |
| 5. | When the contacts are connected into direct circuit , we can judge whether the contacts are open or not through analyzing the voltage instantaneous values across the two contacts 当有触点电器的触头接入直流电路中时,可通过触头两端电压瞬时值来判断它是打开还是闭合。 |
| 6. | This paper contrasts performance of current controlled two - state modulation inverter with one based on voltage mean value and instantaneous value feedback by simulation 在此基础上,对电流控制两态调制逆变器和电压平均值电压瞬时值反馈的spwm逆变器的性能进行了仿真对比。 |
| 7. | The bus differential protection based on instantaneous values of currents is the most useful scheme nowadays . but it is easy to be influenced by current transformer saturation and to make misoperation 目前微机保护最常用的方法是电流瞬时值差动保护,这种方法受电流互感器( ta )饱和的影响而容易误动。 |
| 8. | This paper analyzes detailedly the principles on distributed busbar protection - current instantaneous value differential method , impedance method , and put forward the new method of current fault component phase method , then compares with these methods 本文详细分析了分布式母线保护中的原理?瞬时值电流差动法、阻抗法,提出了电流故障分量相位法的新方法,将这几种方法进行比较。 |
| 9. | Depending on how a counter is defined , its value might be the most recent aspect of resource utilization , also called the instantaneous value , or it might be the average of the last two measurements over the period of time between samples 根据计数器定义方式的不同,它的值可能反映的是最近的资源利用情况,又称“瞬时值” ,也可能是上两次度量值在两次样本之间的那段时间内的平均值。 |
| 10. | It involves not only the detection of signal frequency , signal phase and power factor but also calculation and control of phase . the method of calculating phase is based on fast fourier transform algorithm ( fft ) . it is used to calculate signal frequency , signal phase , power factor and the phase on / off time according to sampling instantaneous value of voltage and current 本文主要提出了采用信号处理技术(快速傅里叶变换fft ) ,根据电压、电流采样的瞬时值,计算信号频率、信号相位、功率因数、分合闸相角的选相控制方法,并介绍了最终控制分合闸的原理与实现方法 |