This effect of envelope spectrum analysis applied to fault diagnosis of equipment parts damage is verified by the example of rolling bearing fault diagnosis.
通过对滚动轴承故障诊断的实例分析，验证了包络谱分析运用于诊断设备零件损伤故障所取得的效果。
The time-frequency analysis method is widely applied to rolling bearing fault diagnosis due to it can simultaneously provide time and frequency domain information of a signal.
由于时频分析方法能同时提供振动信号的时域和频域信息，因而在滚动轴承故障诊断中应用最为广泛。
Therefore, based on rolling bearing implicit finite element solution analysis, using ANSYS/LS-DYNA explicit dynamic module implements, we achieved the rolling contact simulation of motion process.
因此本文在对滚动轴承有限元隐式求解分析的基础上，利用ANSYS/LS-DYNA模块对滚动轴承进行了显式动力学接触分析。
The screwdown block is improved by mechanics analysis with boundary element method, and a simple device is designed for dynamic load of oil film bearing used in high-speed wire rolling mill.
通过采用边界元法对高线轧机压下垫块改造模型进行力学分析，开发设计一种适合测量高线轧机油膜轴承动态载荷特性的简易装置。
Vibration signal analysis is widely used in the state monitoring and failure diagnosis of the gear and rolling bearing.
振动信号分析是进行齿轮箱状态监测与故障诊断的重要手段。
The fault principle and the fault vibration property were analyzed in this paper. The means of vibration signal analysis and fault diagnosis of the rolling bearing were also introduced.
本文总结分析了滚动轴承典型故障的故障机理及其振动特征，详细介绍了滚动轴承振动信号分析与故障诊断的方法。
Combined the advantage of empirical mode decomposition (EMD) and principle component analysis (PCA), a blind separation method of rolling bearing faults is proposed based on EMD and PCA.
结合经验模态分解和主分量分析各自的优点，提出了一种基于EMD -PCA的轴承故障源的盲分离方法。
Combined the advantage of empirical mode decomposition (EMD) and principle component analysis (PCA), a blind separation method of rolling bearing faults is proposed based on EMD and PCA.
结合经验模态分解和主分量分析各自的优点，提出了一种基于EMD -PCA的轴承故障源的盲分离方法。
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