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gear
- 基于db10四层分解的齿轮的故障特征提取-Decomposition based on the four-db10 gear fault feature extraction
56465456456465waveletpackage
- 基于matlab的小波包分解应用于机械振动信号的故障分析-Used in failure analysis of mechanical vibration signals based on the Matlab wavelet packet decomposition
tuxiangfenxi
- 在matlab中对大量的轴承故障的特征信号进行小波包分解,提取特征值,并建立神经网络训练,最终可由网络进行故障的分析-In matlab large number of bearing fault characteristic signal wavelet packet decomposition, extract characteristic values, and the establishment of neural network training, and ultimately by
eemd
- 采用EEMD方法对故障信号进行模式分解,通过产生不同的不同频率的IMF,实现对信号的诊断。-The fault signal was decomposed through EEMD method and the IMF including different frequent was produced, which can diagnose signal effectively.
nonlinear-signal
- 用于非线性信号处理的工具箱,很好的能分解非线性信号,可以用于常用的故障诊断技术中去 很好的能解决实际中的问题-nonlinear signal processing
Mechanical-fault-diagnosis-method
- 经验小波变换(EWT)是一种新的自适应信号分解方法, 该方法继承了EMD 和小波分析方法的各自优点, 通过提取频域极大值点自适应地分割傅里叶频谱以分离不同的模态, 然后在频域自适应地构造带通滤波器组从而构造正交小波函数, 以提取具有紧支撑傅立叶频谱的调幅-调频(AM-FM)成分。本文将该方法引用到机械故障诊断中, 提出了一种基于经验小波变换的机械故障诊断方法, 并与EMD方法进行了对比分析。仿真结果表明, 经验小波变换方法明显优于EMD方法, 能有效地分解出信号的固有模态。与EMD 相比较, 该
EEMD
- 信号处理,轴承故障,matlab,EMD,EEMD,故障,经验模态分解-Signal processing,Bearing fault,emd,eemd
curvelet_first_generation
- 小波变换就一个信号分解为几个信号,小波变换大量应用于图像处理、谐波分析及故障诊断中。(Wavelet transform decomposes a signal into several signals. Wavelet transform is widely used in image processing, harmonic analysis and fault diagnosis.)