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xiaobobao
- 小波包去噪 小波包去噪 -Wavelet packet denoising wavelet packet denoising wavelet packet denoising wavelet packet denoising
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
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
xiaobobp
- 小波包分解及bp神经网络训练程序，可用于进行模式识别-bp neural network training program, can be used for pattern recognition
waveletpackage
- 使用小波包变换分析信号的MATLAB程序，利用小波包变换实现对故障信号的分析-Single analysis using wavelet package transforming
IJ1185
- 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
xiaobobao
- 从excel中提取数据，应用小波包分解提取特征频段能量值的matlab程序(Extracting data from excel, the wavelet packet is used to decompose the matlab program that can measure the value of the feature frequency)
xiaobobaofenjie
- 小波包分解并能提取特征频段能量的完整的matlab程序(The wavelet packet decomposes and can extract the full matlab program of feature frequency energy)
OneDrive
- 用于故障诊断中计算时频域中的小波包能量矩。。(Wavelet packet energy moment)
新建文件夹
- 对光谱数据进行小波包分析，对光谱进行分解。重构和去噪声(Wavelet packet analysis was performed on spectral data.The spectrum is broken down.Refactoring and de-noise.)
代码
- 小波包分析，对信号进行分解和重构，从而获得低噪声，完整的信号(Wavelet packet analysis, decomposition and reconstruction of signals, thus obtaining low noise, complete signal.)
故障诊断与容错控制课程设计报告
- 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
xiaobobao
- 运用matlab对图像进行小波包的分解与重构(Wavelet packet decomposition and reconstruction)
小波包分解重构
- 小波包的分解重构算法例程，小波包的初学者可以借鉴
小波包能量谱
- 用于信号特征提取，提取信号的小波包能量谱(Extracting the wavelet packet energy spectrum of the signal)
Denoisewp
- 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.)
function wpt
- 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)
matlab代码
- 针对小波包去噪对含强白噪声的信号处理效果不理想问题，提出了基于互相关分析优化的VMD-小波包阈值去噪方法。该方法融合了VMD和小波包去噪的优势，通过VMD把含噪信号分解成若干个模态分量，根据互相关分析提出的临界相关系数从所有模态分量中搜寻极优模态分量，之后利用小波包阈值去噪对极优模态分量进行处理。实验结果表明，该方法对含强白噪声的信号去噪效果具有优势，能够保全信号的有效分量，克服了传统VMD去噪的盲目性，保证了去噪后信号的真实性。(Denoising by wavelet threshold t
xiaobo
- 对故障数据的小波包分解与信号重构、小波包能量特征提取 暨 小波包分解后实现按频率大小分布重新排列，并进行降噪处理。(After wavelet packet decomposition and signal reconstruction, wavelet packet energy feature extraction and wavelet packet decomposition, the fault data can be rearranged according to the frequ
8880短时傅里叶小波
- 对信号进行短时傅里叶变换和小波变换，观察其时频特性，压缩包中含有需要用到的测试信号文件，可以直接运行，供参考(Carry out short-time Fourier transform and wavelet transform on the signal, observe its time-frequency characteristics, and the compression package contains the test signal files needed, which ca