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toolbox_liftwave
- 一个提升小波变换的matlab工具包。可以实现97，53，haar等系列的提升小波分解与重构。-an upgrade wavelet transform Matlab tool kit. 97,53 can be achieved, haar series of lifting wavelet decomposition and reconstruction.
jubunengliang
- 表面肌电信号的小波包局部能量分解柱状图，提取特征能量-Local energy of the surface EMG wavelet packet decomposition histogram feature extraction energy
Fwavveletpacci
- 首先，给出了对应于多重多分辨分析的双正交多小波包的定义，建立了具有任意矩阵伸缩的双正交多小波包的理论框架.在此基础上，给出了具有有任意矩阵伸缩的高维不可分双正交多小波包的构造方法.由此构造的多小波包的分分解系数能从不同的滤波器中抽取，这使的小波包的应用更灵活. -Firstly, the definition of biorthogonal multi-wavelet packet corresponding to multiple multi-resolution analysis, th
convwavepacket_fenjie
- 这是自己编的卷积型小波包的分解程序，用于机械故障特征提取，实现了克服Mallat算法数据量减少和产生虚假频率的缺陷-Own series of convolution type of wavelet packet decomposition procedures for mechanical fault feature extraction to overcome the defects of the the Mallat algorithm decrease in the amount of
wavelet-packet-de_re
- 用小波工具箱函数实现小波包的分解与重构，非常适合与机械故障特征提取。-Wavelet packet decomposition and reconstruction, and is ideal for mechanical fault feature extraction using wavelet toolbox functions.
xiaobobao
- 利用小波包变换对信号进行分解及重构，对于初学者是一个很好的学习材料。-Wavelet packet transform signal decomposition and reconstruction, is a good learning materials for beginners.
Wavelet-Packet-Denoisin
- 小波包去噪，用小波包去除一维信号的噪声,分解小波包系数画图说明比较全面-Wavelet Packet Denoising using wavelet packet to remove the noise of a one-dimensional signal decomposition wavelet packet coefficients drawing the more comprehensive
1.1
- 信号分解为六层的细节信号的谱分析\小波包络谱分析修改版6层-\ Wavelet envelope spectrum analysis of a modified version of layer signal is decomposed into six layers of detail signal spectrum analysis
Wavelet-packet-layer-
- 本程序用小波包3层分解把信号分解成8个频段的信号。-The procedures used 3 layer wavelet packet decomposition of the signal into the eight-band signal.
02
- 2.1 傅里叶变换 2.1.1 经典傅里叶变换 2.1.2 傅里叶变换的基本性质 2.1.3 快速傅里叶变换 2.1.4 短时傅里叶变换 2.2 小波分析与多分辨率分析的历史 2.3 小波分析与傅里叶变换的对比 2.4 小波变换 2.4.1 连续小波变换 2.4.2 离散小波变换 2.4.3 高维小波连续变换 2.5 常用小波基函数 2.5.1 小波函数 2.5.2 小波函数系 2.5.3 复数小波 2.6 构造紧支撑正常小波基 2
waveletpacket_decomposition
- 基于db2小波包的信号分解，便于理解，方便阅读-Db2 wavelet packet-based signal decomposition, easy to understand, easy to read
program
- 包括emd分解程序，求边际谱程序，hilbert包络解调程序，求取小波包频带能量程序，K均值聚类程序-fault diagnosis program
xiaobobao
- 小波包变换可以对高频部分提供更精细的分解，而且这种分解既无冗余，也无疏漏，所以对包含大量中、高频信息的信号能够进行更好的时频局部化分析。-Wavelet packet transform can provide the high frequency part of the finer decomposition, and this decomposition is neither redundant nor oversight, so the signal contains a large am
wnoise_xiaobobao
- 小波包法去除放电信号中的白噪声，采用db4小波分解4层-Removal of wavelet packet discharge signal white noise, using four-layer wavelet decomposition db4
xiaobobao-fenjie-yu-zhonggou-
- 一维小波包在matlab分解六层分解，与重构，可得高低频。与原高低频对比。- One dimensional wavelet packet decomposition in the MATLAB decomposition of the six layer, and the reconstruction can be HISTEP low frequency. Contrast with the original high and low frequency.
SimuWave
- 在matlab/simulink目前还没有更好地实现小波包模块，simuwave包括了各种各样的小波包子模块，可以自己实现小波分解。- At present, matlab/simulink is still not better to implement the wavelet packet module, simuwave includes a variety of wavelet packet module, you can realize the wavelet decompositio
waveletpacketdecomp
- 一维信号特征提取参考程序，正常信号和故障信号特征的提取，开发环境为MATLAB。是使用小波分解处理信号的参考，使用了小波包三层分解。-One dimensional signal feature extraction reference program, normal signals and fault feature extraction, the development environment of MATLAB.Is the use of wavelet decomposition pro
Desktop1
- 主要是小波包的分解与重构，用简单的程序更好的理解小波包。-Wavelet packet decomposition and reconstruction, with a simple procedure to better understand the wavelet packet
Wavelet-feature-analysis-
- 装入变换放大器输入输出数据画出正常信号与故障信号的原始波形用dbl小波包对正常信号s1进行三层分解-Wavelet feature analysis
轴承特征提取
- matlab代码，轴承特征提取，包括rms、最大幅值、峰值因子、绝对平均值、平均值、峭度、脉冲因子、裕度因子、能量，小波包、经典模态分解等特征(Matlab code, bearing feature extraction, including rms, maximum amplitude, crest factor, absolute mean, mean, kurtosis, pulse factor, margin factor, energy, etc.)