分析了如何利用测量数据构造矩阵束并进行电力系统振荡模态辨识的方法。
Method of power system oscillation mode identification utilizing matrix pencil constructed from sampled data is presented.
揭示出冷空气的向南传播主要是一种低频模态的10—20天周期的振荡。
It has been revealed that the propagation of cold air mainly shows a mode of 10—20 day period oscillation.
主要内容包括横航向模态特性、滚转速率振荡和侧滑幅值特性。
The main contents are lateral-directional model characteristics, roll rate oscillations and sideslip excursion characteristics.
研究了多机系统中使用统一潮流控制器(UPFC)抑制电力系统多模态振荡的可行性。
This paper investigates the feasibility of damping multi-mode oscillations using unified power flow controller (UPFC) in a multi-machine power system.
采用特征值分析法研究交直流电力系统中HVDC换流器控制对次同步振荡（SSO）模态阻尼的影响。
The influence of HVDC converter controls on the mode damping of sub-synchronous oscillations (SSO) in a AC/DC power system is investigated in this paper by using eigenvalue analytical method.
有限元计算结果与模态试验结果较吻合，声模态修正后的结果能很好地解释缸内燃烧压力高频振荡。
The results show that the high-frequency pressure oscillation is aroused by the combustion chamber's resonance.
结果表明：准两年振荡是线性海气耦合系统中的最不稳定模态，且只有该模态类似于ENSO水平结构。
Results show that the quasi biennial (QB) oscillation is the most unstable mode of the linear coupled air sea system and only the QB mode displays ENSO-like horizontal structure.
热带气压场随时间的变化与时间系数的变化相似性最大，不同模态的时间系数变化具有明显周期振荡现象。
The change of the tropical pressure field is most similar with that of the time coefficients, and the time coefficients of different modes present obvious characteristics of periodical oscillation.
热带气压场随时间的变化与时间系数的变化相似性最大，不同模态的时间系数变化具有明显周期振荡现象。
The change of the tropical pressure field is most similar with that of the time coefficients, and the time coefficients of different modes present obvious characteristics of periodical oscillation.
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