In this paper low - frequency vibration problems of rotating machinery are investigated.

应用时频分析方法研究了回转机械低频振动问题.

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The internal triaxial accelerometer is optimized for measuring low frequency vibration response.

这个内置的三轴传感器被优化用作测量低频振动响应.

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A novel ultra - low frequency vibration isolator is established.

研制一种新型超低频垂直隔振系统.

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Introducing active vibration absorbers into floating raft system can improve its performance of low - frequency vibration suppression.

在浮筏上引入主动吸振器可以有效地改善其低频减振性能.

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The low - frequency vibration grinding system has the features of easy realization, low cost and brief operation.

且该低频振动研磨系统具有工艺易于实现 、 成本低且操作简便的特点.

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