查询词典 oscillation

Power System forced power oscillation is a kind of low frequency oscillation caused by persistent periodic small disturbance.

电力系统强迫功率振荡为持续的周期性小扰动所引起低频振荡现象。

We further study the forced oscillation and we obtain the oscillation criteria for the unbounded solutions of the in-homogeneous hyperbolic equation.

我们还研究了强迫振动并且得到了非齐次双曲方程无界解的振动判别准则。

The mechanism of forced resonance and self-excited thermoacoustic oscillation are studied to understand the combustion oscillation in thermal systems.

针对热力系统中声耦合燃烧振荡问题，分析了强迫共振和热声自激两类声耦合燃烧振荡的机理，重点综述了热声自激振荡的若干驱动机制，并给出了防止声耦合燃烧振荡的措施。

At first, based on the results of the field tests and studies, this paper indicates that there are two kinds of low frequency power oscillations on the weak tie line: one is caused by negative damping, and belongs to the free oscillation; the other is caused by periodic load disturbances and periodic adjustments, and belongs to the forced oscillation.

首先，本文根据现场试验和研究结果指出，互联系统的弱联络线上存在两类性质不同的低频功率振荡：一类是由负阻尼引起的，属于自由振荡；另一类是由于系统周期性负荷扰动或振荡调节等引起的，属于强迫振荡。

A non-autonomous electric circuit consist of self-oscillation and forced oscillation.

一个非自治电路包含有自激振荡和强迫振荡两个成分。

The present experimental study investigated the mechanism of the self-exciting thermo-acoustic oscillation and the forced thermo-acoustic oscillation.

通过实验，揭示了热声自激振动与热声强制振动现象发生的条件与机理，研究了热声发动机的关键部件——板叠的形状与材质对系统的起振温度的影响。

Free oscillation of the earth: A simple change-of-shape oscillation of the whole earth.

地球自由震荡：地球整体形状变化的简谐震荡。

For free oscillation of various nonlinear conservative systems, the analytical approximate periods and the corresponding periodic solutions were established and they are valid for small as well as large amplitude of oscillation.

提出了结构参数发生较大变化时，计算结构的静力响应，固有频率与固有振型的高效的、适用范围广的方法；对非线性保守系统的自由振动，建立了既适用于小振幅又适用于大振幅的近似解析解法。

This study shows that the occurrence of these seiches is likely the result of coupling and resonance between atmospheric perturbation and free mode oscillation of the bay, which has the oscillation of off-shore surface wave as an intermediate media.

研究认为，假潮的发生很可能是大气扰动通过外海表面波作为中间机制，与港湾自由态振动之间产生耦合共振的结果。

Based on the fundamental theory of impulsive differential systems, employing Green formula, Gauss divergence theorem, Jensen inequality and Gronwall-Bellman inequality with impulse, we discuss the oscillation of impulsive partial differential systems by adopting reduction to absurdity and the stability in via of comparison theorem, respectively. Especially, we take an in-depth study on the oscillation of neutral impulsive parabolic systems and the stability of a class of nonlinear impulsive partial differential equations and obtain some useful conclusions.

本学位论文以脉冲微分系统基本理论为基础，利用反证法的分析方法和比较定理，结合Green公式、Gauss散度定理、Jensen不等式、含脉冲的Gronwall-Bellman不等式以及相关数学工具研究了脉冲偏微分系统的振动理论和稳定性理论，特别对中立型脉冲时滞抛物系统的振动性和一类非线性脉冲偏微分系统的稳定性作了较为深入的研究，给出了一些有用的结论。

Plunder melds and run with this jewel!

掠夺melds和运行与此宝石！

My dream is to be a crazy growing tree and extend at the edge between the city and the forest.

此刻，也许正是在通往天国的路上，我体验着这白色的晕旋。