Then, Local Wave method is introduced in consideration of the non-stationarity characteristic of the vibrating signals from NC machines.
针对数控机床机械系统的非线性和振动信号的非平稳特性，引入局域波分析方法。
The research work mentioned above enhances the local wave method. It also proved that the methods which are introduced in the paper can effectively identify the fault and solve practical problems.
以上研究工作在一定程度上丰富和完善了局域波分析方法，诊断应用表明本文中提出的方法能够有效的识别故障，解决实际问题。
The research work mentioned above enhances the local wave method. It also proved that the methods which are introduced in the paper can effectively identify the fault and solve practical problems.
以上研究工作在一定程度上丰富和完善了局域波分析方法，诊断应用表明本文中提出的方法能够有效的识别故障，解决实际问题。
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