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小波包进行信号的去噪处理
- 此程序是关于小波变换用于故障信号分析和处理的程序，特别适合去噪和第一类间断点的检测，适合机械波研究者参考-this procedure is used on the wavelet transform fault signal analysis and processing procedures, particularly suitable for de-noising and continuity of the first categ
xiaobokangganrao
- 扩频通信中小波包变换的抗干扰性能的分析，MATLAB源程序-Spread Spectrum Communication WPT anti-jamming performance analysis of MATLAB source
xbnlp
- 小波包能量谱的计算，对信号进行频段分析，特征提取，用于模式识别-wavelet packet energy spectrum
cx
- 一种基于小波包对电能质量信号的分析的程序-Wavelet packet based signal analysis of power quality program
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
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 t
xiaobobao
- 运用matlab对图像进行小波包的分解与重构(Wavelet packet decomposition and reconstruction)
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.)
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。(De
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 rea
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
dt-cwt
- 能够实现双树复小波包变换，有一段仿真例子可以供大家参考(Realization of dual tree complex wavelet packet transform)