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matlab小波变换
- matlab程序
一维小波单支重构函数
- 一维小波单支重构函数，一维小波系数直接重构函数-Single one-dimensional reconstruction of wavelet functions, the direct reconstruction of one-dimensional wavelet function
shapelet.rar
- 用于图像的多尺度分析，shapelet变换用matlab 编程实现,shapelet code
Wavelet-image-denoising-procedures
- 小波图像去噪程序。th=sigma*sqrt(2*log10(L*T)) 计算阈值 ch=c(1,num(4-i,1):num(4-i,3)+step(4-i)-1) 对各高频系数进行阈值处理 chl=length(ch) for j=1:chl if abs(ch(j))>=th ch(j)=sign(ch(j))*(abs(ch(j))-2*th/(1+exp(m*(ch(j)^2)))) 阈值处理函数 else -Wavelet image denois
signal-fourier-analysis
- 信号傅里叶变换的matlab程序，包括对幅频和相频的图形绘制-Signal Fourier transform matlab program, including the magnitude and phase frequency of the graphics rendering
wavelet-threshold-shrinkage-
- 小波阈值收缩算法的matlab程序，对信号进行去噪得到纯净语音-Wavelet threshold shrinkage algorithms matlab program, get on the clean speech signal denoising
MATLAB-xiaobo
- 对matlab的小波函数进行了一下总结，希望对大家有帮助。-For matlab wavelet functions were to sum up, we want to help.
dwt.rar
- 一维离散小波变换，输出项是一维离散小波变换的小波变换系数，输入值是小波名，信号序列,The dwt command performs a single-level one-dimensional wavelet decomposition with respect to either a particular wavelet ( wname , see wfilters for more information) or particular wavelet decomposition filte
FFTmatlab
- 做FFT只能看出信号在0到分析频率（采样频率的一半）之间的相对分布，或者说得到以采样频率归一化的频率。 采样频率即取样频率，指每秒钟取得信号样本的次数。所以，采样频率就是1/（delta t），其中delta t为连续采两次信号的时间间隔。 采样频率/采样点数=频率分辨率。 -Signal do FFT can only be seen in the 0 to the analysis frequency (half the sampling frequency) relative
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
MATLAB-_FFT
- matlab的fft函数使用注意事项，以及傅里叶变换的特征和理解。-Note the use of matlab' s fft function, as well as the Fourier transform of the characteristic and understanding.
DFT
- 以上是傅里叶变化程序源代码，包括一维二维傅里叶变换-These are the Fourier transform of the source code, including a one-dimensional two-dimensional Fourier transform
qwet1234
- 在 MATLAB 中的窗函数,十分简单： 矩形窗 三角窗 汉宁窗 海明窗 布拉克曼窗 恺撒窗 -In MATLAB, the window function is very simple: a rectangular window of triangular windows Hanning Hamming Blackman Window Caesar Window
morlet
- 构造的morlet小波基进行一维连续小波变换-continuous wavelet transform
mallat
- 用mallat分解与重构算法实现一维信号的分解和重构-Mallat decomposition and reconstruction algorithm used to achieve one-dimensional signal decomposition and reconstruction
dwt
- 基于dwt的水印图像matlab代码，这是小波变换的经典算法-Dwt-based image watermarking matlab code, which is a classical algorithm for wavelet transform
WAVELETONDSP
- 由于小波变换具有良好的时频分析特性，已经广泛应用于各种信号分析领域。由于小波变换算法的复杂性，如果直接计算小波变换，所需内存较大，耗时较长。尽管当今处理器芯片运算速度得到了大幅度的提高，但仍然在实时性上不能满足要求。为了简化计算过程，人们相继设计了一系列的快速算法来计算小波变换，以降低其运算次数。-Since the wavelet transform has good time-frequency analysis features, has been widely used in vario
wavelet
- matlab 小波分析源码 小波去噪 仿真分析-matlab source wavelet analysis wavelet denoising simulation analysis
TMS320LF2407maketureSPWM
- TMS320LF2407实现PWM波形的程序，希望对研究硬件的人有点帮助。-TMS320LF2407 procedures to achieve PWM waveform, in the hope that those who study the hardware to some extent.
27796711xiaobo5
- 小波变换的东西，分级变化，要的可以下～谢谢～-Wavelet transform things, changes in classification, it is necessary to be the next ~ Thank you ~