所得结果表明此类自振动系统在自激阈附近的振幅涨落比远离阈值时的涨落大很多。
It is shown that the fluctuation of amplitude at the threshold of oscillation is much greater than that when the system is far from the threshold.
讨论了机床进给系统中因运动部件移动速度较低，因而产生爬行现象的自激振动机理。
This paper discusses the mechanism of self driving vibration in the machine tool feeding system.
分析了转子轴承系统中流体动态力的形成和自激振动的产生与油膜涡动、油膜振荡的故障。
The formation of fluid dynamic force and the occurrence of self-excited vibration and oil film vortex of rotor system are analyzed.
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