在分析了传统滚动轴承的振动信号处理方法的基础上,将经验模态分解法(EMD)应用到滚动轴承的故障诊断中来。
On the basis of the traditional vibration signals process method for the rolling bearing, the empirical mode decomposition (EMD) were applied in the fault diagnosis of the rolling bearing.
提出了基于经验模态分解的瞬时相位分析的新方法。
A novel method of instantaneous phase analysis based on empirical mode decomposition is presented.
比较结果说明用滤波后的经验模态分解方法对旋转机械的振动信号波动组分分析比未滤波的有效。
The result of comparison Shows that it is more effective using the filtered EMD to analyze the vibration signal motion composition of rotation machinery than the un-filtered one.
应用经验模态分解(EMD)方法分析了湖南省1949 ~ 2002年洪涝灾害成灾面积波动情况。
Empirical mode decomposition (EMD) method was used to study the fluctuation of inundated area of flood disaster from 1949 to 2002 in Hunan Province.
探讨了应用经验模态分解代替时域同步平均分析减速器振动信号的方法。
Empirical Mode Decomposition (EMD) is introduced to replace time synchronous averaging of gearbox vibration signal.
基于多尺度经验模态分解(EMD),提出了老采空区上方地表建筑物稳定性分析及预测新方法。
A new method is put forward for stability analysis and evaluation of buildings above goaf by multiscale decomposition using empirical mode decomposition (EMD) method.
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。
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.
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