对于电压凹陷的三大特征量幅值、持续时间和相位跳变的准确检测是电压质量评估与抑制干扰首先要解决的重要课题。
The correct detection of the voltage sag characteristics (its magnitude, duration and phase Angle jump) is of great importance for the power quality evaluation and its mitigation.
数值评估与系统仿真实验都表明，这个预估模型能很好地反映带宽资源争抢造成节点相位波动的特征。
Numerical evaluation and system simulation both show that the model can well reflect the fact that the contention on bandwidth resources contributes to the peers' phase fluctuation.
目的：评估磁共振电影相位对比法对液体流速的实验价值。
Purpose:To estimate the experimental value of PC cine MR for fluid flow.
目的：评估磁共振电影相位对比法对液体流速的实验价值。
Purpose:To estimate the experimental value of PC cine MR for fluid flow.
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