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2Dwavelet
- 该程序用来实现对图片的多级小波分解！提取多级分解后各子带的小波系数！-The program is used to achieve multi-level wavelet decomposition of an image! And extraction of multi-level decomposition of the wavelet coefficients of each sub-band!
xiaobofj
- 小波分解用在信号识别上面。所用信号有，单载波信号和OFDM信号以及另一种多载波信号WPM。对做信号处理和识别方面的朋友会很有帮助。-Wavelet decomposition used in the signal recognition above. Signals are used, single-carrier signals and OFDM signals, and other multi-carrier signal WPM. Do signal processing and iden
Matlab
- 信号去噪的基本步骤： （1）信号的小波分解； （2）小波分解高频系数的阈值量化； （3）信号的小波重构。使用分解的低频系数以及阈值量化后的高频系数进行小波重构。 -The basic steps of signal denoising:( 1) of the wavelet decomposition of signals ( 2) the high frequency coefficients of wavelet decomposition threshold quan
xiaoboyuzhiquzao
- 小波阈值降噪的matlab代码 里面有两个程序 一个比较了软硬阈值去噪 另外一个对多层小波分解的阈值去噪做了对比-Wavelet threshold denoising matlab code there are two programs a relatively soft and hard thresholding is another multi-layer wavelet threshold denoising to do a comparison
wavelet-image
- 二维图像信号的去噪步骤： （1）二维图像信号的小波分解。选择合适的小波与恰当的分解层次N，并对待压缩的二维图像信号进行N层分解计算。 （2）对分解后的每一层高频系数，选择一个恰当的阈值，并对该层高频系数进行软阈值量化处理。 （3）二维图像信号的小波重构。用小波分解后的第N层近似（低频系数）和经过阈值量化处理后的各层细节（高频系数），对二维信号进行小波重构。-Two-dimensional image signal denoising steps: (1) two-dimensiona
wavelet-MATLAB-code
- 实现以下功能：装载信号；完成信号的单尺度一维离散小波分解；从系数中重构低频部分和高频部分；显示高频和低频部分；由小波逆变换恢复信号；多层一维分解；提取系数的低频和高频部分；重构第3层的低频系数；重构第1、2、3、4、5层的高频信号；重构原始信号并显示-Achieve the following functions: load signal complete signal single-scale one-dimensional discrete wavelet decomposition r
小波包能量计算
- 这是一个小波包分析，通过小波包分解，计算各频段内的能量，观察趋势。
小波降噪与EMD混合
- 一种进行小波降噪后，对特征库的信号进行信号经验模态分解的例子(An example of signal empirical mode decomposition for signal of characteristic library after wavelet de-noising)
p_wavelet
- 小波分解轴承故障诊断代码，包括特征提取，用的数据是西储大学轴承数据(Wavelet decomposition bearing fault diagnosis code, including feature extraction, the data used is the West Park University bearing data)
11 小波分析.m
- 进行小波分析，对于信号的分解，降噪，重构，都可以有效进行(Wavelet analysis can be carried out effectively for signal decomposition, noise reduction and reconstruction)
基于小波包提取轴承故障
- 基于小波包变换对信号进行分解，提取机器轴承故障的特征信号进行损伤识别，(The signal is decomposed based on wavelet packet transform, and the characteristic signals of machine bearing faults are extracted to identify the damage,)
小波包分析 代码
- 对原始信号进行小波包分解，小波函数及分解尺度均可自调(The original signal is decomposed by wavelet packet, and the wavelet function and decomposition scale can be adjusted automatically)
小波去噪
- 运用小波阈值实现图像去噪，同时有小波的分解与重构。(Wavelet threshold is used to realize image denoising and wavelet decomposition and reconstruction.)
MATLAB-7.14
- 对图像进行二尺度小波分解，MATLAB，数字图像处理(Two scale wavelet decomposition of images)
W-M方程与小波变换
- 应用W-M函数建立了分形粗糙表面轮廓，用小波变换对其进行分解，考察了小波变换方法对原轮廓曲线的还原情况(The fractal rough surface profile is established by W-M function, and the wavelet transform is used to decompose it. The reduction of the original contour curve is investigated by the wavelet transf
小波变换
- 该程序为小波变换以及小波包变换。将波形进行多尺度分解变换，得到近似系数以及细节系数。(The program uses wavelet transform to transform the waveform into multiscale decomposition, and obtains the approximate coefficient and the detail coefficient.)
小波图像分解重构.zip
- 本程序主要的功能就是利用小波变换对图像进行分解以及重构的过程。(Wavelet image decomposition and reconstruction)
FourierTransform
- 完成对bmp图像的傅立叶变换; 完成对bmp图像的Haar小波分解与重构(Fourier transform of the BMP image is completed. Haar wavelet decomposition and reconstruction of BMP images)
waveletDecompositionAtLevel4
- 4层小波分解，信号分解时域图，信号的频谱(4 layer wavelet decomposition,Signal decomposition time domain diagram,signal spectrum)
小波分析仿真程序
- 小波分析课程部分仿真程序，涉及加窗傅里叶变换、信号分解重构等，每步都有有详细注释(A part of the simulation program for the course of wavelet analysis.Relates to the windowed Fourier transform, signal decomposition and reconstruction, every step has a detailed notes .)