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xuanzhuanjixzhengdongxinhao
- 一种旋转机械振动信号特征提取的新方法，利用小波技术
对轴承故障振动信号的matlab小波分析程序
- 对轴承故障振动信号的matlab小波分析程序，能完成对故障特征频率的提取,Of bearing fault vibration signals matlab wavelet analysis procedures, can finish on the fault characteristic frequency extraction
wavelet
- 小波包分析提取振动信号中的特征频率，以及能量谱分析计算-wavelet packet analysis vibration signal from the characteristic frequency, and the energy spectrum analysis -Extraction of wavelet packet analysis in the vibration signal characteristic frequency, as well as the calculati
vibrationfilter
- 这个程序可以实现对振动等信号的滤波及特征提取，可以应用于实际。-This program can achieve the vibration signal filtering and feature extraction
xiaobobao-BPwangluo
- 小波包和BP神经网络在齿轮箱故障诊断中的应用，本文对齿 轮箱振动信号应用小波包分解提取故障特征向量，进一步用特征向量训练前向传播BP人工神经网络。-xiaobobao、BP、gearbox fault detection
2005local-mean-decomposition
- 2005年J.S.Smith提出的局域均值分解LMD(Local mean decomposition)的原始文献，该方法可用于故障诊断、特征提取、振动信号分析等多领域，是较EMD更为温和的一种自适应算法，目前是热门研究方法。-This is the original article about LMD——Local mean decompositon. Ihis method is a novel adaptive decomposition. It is more better than E
330
- 提出了将信号进行相空间重构后再采用奇异值分解, 对分解后的主成分进行包络分析, 从而提取信号的隐含特 征的方法, 并将该方法应用于齿轮的局部故障振动特征信号的提取中。数值仿真实验结果表明, 该方法能有效提取强背景 信号及噪声中的弱冲击特征信号, 是一种有效的弱信号特征提取方法。采用该方法对齿轮振动信号进行故障特征提取与识 别, 结果与实际情况相符。-Signal implicit characteristic of phase space reconstruction, and th
xiaobobaoju
- 小波包能量巨程序（已做归一化处理，用于对振动信号提取特征）-Wavelet packet energy giant program (normalization process has been done for the vibration signal feature extraction)
WPT
- 本代码包括小波包能量的提取，可以用于振动声发射噪声以及力信号的特征提取-this code is for energy of wpt Feature extraction such as Acoustic emission，vibration sound and force
433
- 融合小波能谱熵和支持向量机ＳＶＭ的特点提出了基于小波能谱熵的ＳＶＭ故障诊断方法． 利用转子试验台对转子典型振动故障进行模拟并采集振动数据提取其振动信号的小波能谱熵作为特征向 量-Fusion wavelet energy entropy and support vector machine SVM is proposed based on the characteristics of wavelet energy entropy SVM fault diagnosis method. U
Eishouluqikan
- 2014年最新的EI期刊，包括振动与冲击，机械工程，关于故障诊断方面，我收场的比较好的期刊，尤其是对故障处理，特征提取方面很有作用，-2014 latest EI journals, including vibration and shock, mechanical engineering, fault diagnosis on my end is good journals, especially for troubleshooting, feature extraction is usefu
tezhengtiqu
- 用matlab程序对正常和故障的风电机组振动信号进行特征提取，提取时域的16个特征值-Using matlab program for normal and faulty wind turbine vibration signal feature extraction, extraction time domain 16 eigenvalues
Mechanical-fault-diagnosis
- 介绍机械振动信号的各种特征提取方法以及故障诊断算法的相关论文-Mechanical vibration signal feature extraction and fault diagnosis
Choiwilliams
- 计算振动信号的Choi-Williams分布，通过对照轴承故障特性频率可知，轴承的外圈发现了故障，完成了对外圈的故障特征提取。-The Choi-Williams distribution of the vibration signal is calculated. Through the comparison of the bearing fault characteristic frequency, the outer ring of the bearing is found to be f
wheel-treadmonitoring
- 城轨车辆轮对踏面故障在线监测系统，基于振动检测法的轮对踏面故障监测系统，通过傅里叶变换、小波包分析对釆集到的振动信号进行分析获得信号的特征,研究了基于短时能量判断的踏面故障特征提取算法。-On line monitoring system for wheel tread of urban rail vehicles, based on the vibration detection method of wheel tread fault monitoring system, through th
VMD_test
- 一种分解精度高、模态混叠问题少的VMD特征提取算法，进行振动信号分解,形成初始特征向量矩阵(A VMD feature extraction algorithm with high decomposition accuracy and few modal aliasing problems is used to decompose the vibration signal and form the initial eigenvector matrix.)
aedmd
- 欢迎大家下载学习，真的是一个好程序，小波包分析提取振动信号中的特征频率。( Welcome to download the study, Really is a good program, Wavelet packet analysis to extract vibration signal characteristic frequency.)
振动信号时域频域特征（带测试数据）
- 针对信号的时域特征和频域特征提取，带测试数据，能够运行(According to the time-domain and frequency-domain feature extraction of signals, the system can run with test data.)
基于多信号小波变换分解的特征提取
- 实现对振动信号的小波变换分解的特征提取。(The wavelet transform decomposition of vibration signal is realized to extract its features.)
基于改进的希尔伯特振动分解的机械故障诊断方法研究
- 针对多分量机械故障振动信号的特征提取问题，介绍一种基于希尔伯特振动分解( HVD) 的时频分析方法。该方法首先利用 Hilbert 变换得到原始振动信号的解析信号，然后通过对解析信号的瞬时频率低通滤波获得信号中幅值最大分量的瞬时频率，同时经同步检测获得相应的瞬时幅值和初相位，最后经过迭代运算自适应地检测出原信号各分量的时频信息。针对 HVD 方法的边界效应问题，提出一种基于相关系数准则的波形匹配边界延拓法对其进行改进。 通过两组仿真信号分析验证了 HVD 方法对多分量非平稳信号的分解能力，同时