搜索资源列表
-
1下载：
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
-
-
0下载：
利用db4正交小波基对图像进行一层小波包分解后，得到的近似图像比原来的图像更次更加分明，适合初学者-Orthogonal wavelets db4 use the image layer wavelet packet decomposition, approximate image obtained more times more clearly than the original image, suitable for beginners
-
-
0下载：
小波变换，包括单尺度分解 多尺度分解 小波包分解及重构 小波分解重构精简-Wavelet transform, including single-scale decomposition multiscale decomposition wavelet packet decomposition and reconstruction of wavelet decomposition and reconstruction streamline
-
-
1下载：
滚动轴承故障诊断 小波包分解 峭度最大尺度重构-Roller Bearing Fault Diagnosis Based on Wavelet Packet Decomposition kurtosis largest scale reconstruction
-
-
0下载：
该程序中包含了小波包分解和重构程序、单尺度分解、多尺度分解等，还有一些试验数据，对初学者有很大的帮助。-The program includes a wavelet packet decomposition and reconstruction program, a single scale decomposition, multiscale decomposition, there are some experimental data, for beginners is a great hel
-
-
0下载：
小波包分解后，用于求取分解各层小波包系数信息熵-Wavelet packet decomposition for obtaining wavelet packet coefficient entropy
-
-
0下载：
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.
-
-
0下载：
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
-
-
0下载：
小波包分解，求能量程序，，对小波包的了解掌握都很有用，希望对读者游泳-the wavelet packet decomposition and energy distribution
-
-
0下载：
通过对小波包分解系数的能量进行计算，对比正常与异常信号的差异-Through the energy of wavelet packet decomposition coefficients were calculated difference comparing normal and abnormal signal
-
-
0下载：
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
-
-
0下载：
小波变换的程序包括小波变化 小波分解小波包分解程序-Wavelet transform procedures include wavelet transform wavelet decomposition wavelet packet decomposition program
-
-
0下载：
用于处理信号，对信号进行小波包分解，此处进行了三层分解计算，可以进行迭代。-Used to process the signal, the wavelet packet decomposition of the signal, where the three-tier decomposition of the calculation can be iterated.
-
-
0下载：
小波包分解（wavelet packet decomposition）也可称为小波包（wavelet packet）或子带树（subband tree）及最佳子带树结构（optimal subband tree structuring）。其概念是用分析树来表示小波包，即利用多次叠代的小波转换分析输入讯号的细节部分。本案例主要用于小波包分解计算及绘图(The wavelet packet decomposition can also be called the wavelet packet or
-
-
0下载：
小波分析的各种尺度分解包括单尺度分解，多尺度分解以及小波包分解及重构，小波分解重构精简(All kinds of scale decomposition of wavelet analysis include single scale decomposition, multi-scale decomposition, wavelet packet decomposition and reconstruction, and wavelet decomposition and reconstruct
-
-
5下载：
针对滚动轴承这种非平稳振动信号采用的小波包分解的方法来检测故障的存在，运用神经网络来实现故障的分类，还结合D-S理论融合了多个传感器的诊断结果，提高了故障诊断的准确性并通过实验仿真证实。(This course's job is to use the wavelet packet decomposition method for non-stationary vibration signals of rolling bearings to detect the presence of fault
-
-
1下载：
运用matlab对图像进行小波包的分解与重构(Wavelet packet decomposition and reconstruction)
-
-
0下载：
运用小波包分解功能对含噪信号降噪，剔除干扰噪声，提高信号信噪比。(The function of wavelet packet decomposition is used to denoise the noisy signal, eliminate the interference noise and improve the signal-to-noise ratio.)
-
-
1下载：
小波包分解与重构，实际应用很实用，matlab可以很好运行(Wavelet Packet Decomposition and Reconstruction)
-
-
5下载：
Emd分解，通过峭度和相关系数选择IMF，进行信号重构，小波分解，小波包分解。(Emd decomposition, selecting IMF by kurtosis and correlation coefficient, signal reconstruction, wavelet decomposition, wavelet packet decomposition.)
-
