搜索资源列表
xiaobobao-BP-zhoucheng-zhenduan-
- 基于小波包特征向量与神经网络的滚动轴承故障诊断。：基于故障轴承的特征提取，提出了将小波包分析与神经网络结合的滚动轴承故障诊断方法。对滚动轴承信号进行3层小波包分解，构造小波包特征向量作为故障样本，用训练好的BP神经网络进行故障诊断，试验结果表明，该方法能够有效地诊断出滚动轴承的故障类型。-Fault Diagnosis of Rolling Bearings Based on W avelet Packet Energy Eigenvector and Neural Network
12-10
- 本程序基于labview8.2开发平台，实现hilbert变换提取信号包络实例-The program is based on labview8.2 development platform, hilbert transform to extract the signal envelope example
xiaobomojidazhi
- 可以提取信号的突变量，用于电力系统故障测距方面-Mutations in the signal can be extracted amount of respect for the power system fault location
walelet-line
- 使用小波变换提取信号的特征值，实现故障信号的视频分析，利用matlab进行仿真，证明判据的真实可信-wavelet based fault line detection
20061114200447122
- 在MATLAB的运行环境下 傅里叶变换提取信号系数 相角 幅值-Operating environment in MATLAB Fourier transform to extract the amplitude of the signal phase angle coefficient
Wavelet_DecRec
- matlab小波分析，振动信号处理，瞬态信号提取，故障分析-matlab wavelet analysis, signal processing, vibration, transient signal extraction, failure analysis
123
- 微弱信号的检测和提取，用MATLAB语言实现，包括了小波法-Weak signal detection and extraction, using MATLAB language, including the wavelet method
signalextract
- 用于生理信号的滤波处理以及提取信号特征，特征包括均值、差分等等。-physical signal s processing feature extracting
EMD-When-frequency-analysis
- 研究了经验模态分解与希尔伯特变换相结合的提取信号瞬时特征的EMD/HS法，并对其性能进行了分析-EMD/HS method to study the transient characteristics of the empirical mode decomposition and Hilbert transform combining the extracted signal, and its performance is analyzed
eemd
- 用于提取信号的相关特征值，是一种优于emd分解的算法。-Used to extract signals the related features of value, is a better than emd decomposition algorithm.
chipinlvbo
- 该程序用来对数据进行小波分解，然后提取信号的齿频率成分-The program used the data of the wavelet decomposition, and extraction of the wavelet decomposition of each band coefficient
pulse_peak_detection
- 使用阈值法对脉搏信号的峰值进行提取，并且通过提取信号的峰值求脉搏信号的周期，并且简单判断脉搏信号的峰值是否可用。-Useing Threshold to extrack the peak of the pulse signal extraction, and determine the peak of the pulse signal whether is not available.
Wiener-filter
- 维纳（Wiener）是用来解决从噪声中提取信号的一种过滤（或滤波）方法。这种线性滤波问题，可以看做是一种估计问题或一种线性估计问题。-Wiener (Wiener) is used to solve a filter to extract signal from noise (or filtering) method. This linear filtering problem can be seen as an estimate or a linear estimation problem.
pq_pcasvm
- 使用小波能量差提取信号，PCA降维，SVM对电能质量扰动分类。-Extract the signal using the wavelet energy difference between the PCA dimensionality reduction, SVM classification of power quality disturbances.
depha
- 王丰华等提出的相位差分法的实现，主要用于信号处理中提取信号的瞬时频率。注意该方法只适用于单分量信号。另外一个是利用自相关法求瞬时频率-Wang Fenghua such as the phase difference method to achieve, mainly used for signal processing to extract the instantaneous frequency of the signal. Note that this method is only appl
yy2
- 利用小波分解提取信号在不同频率上的分布信号并将其表示出来-Extracting a signal on a different frequency distribution of signal using wavelet decomposition and expressed
envelope
- 这个程序用于提取信号的包络，用以求取信号的轮廓得到信号的主要信息-This procedure is used to extract the signal envelope, to obtain the main information of the signal to strike a signal contour
xiaobonenpushang
- 可以提取信号的小波能谱熵，对信号分析有一定的帮助-Wavelet energy spectrum entropy can be extracted signal, the signal analysis
xiaobowelch
- 用小波分解和重构提取信号节律，并用welch法计算各节律功率谱进行比较-Signal extraction using wavelet decomposition and reconstruction rhythm, and rhythm power spectrum is compared welch method
welch
- 用matlab对信号消噪，用小波提取信号节律并计算功率谱-Signal extraction using matlab signal denoising using wavelet rhythm and calculate the power spectrum