通过分析大量的水位记录资料，可从形态上将震后水位变化分为两类：快速的振荡变化和持续的单调变化。
Analysis of record data show that water-level variations after earthquakes can be classified into two types in form: fast oscillational change and continuous monotonous changes.
系统负荷投切和电容器充电的仿真结果表明，该方法能快速有效地区分暂态脉冲和振荡暂态。
The simulations of load switching and capacitor charging show that the proposed method can quickly and effectively class the impulse transient and oscillation transient disturbances.
本文通过对UPFC实施合理控制，以期望快速显著地平息扰动后系统的功率振荡。
The thesis aims to apply an appropriate control on UPFC to achieve a fast suppression for power system oscillation after some disturbance.
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