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matlab语言编写的小波变换的程序
- 这是一个用matlab语言编写的小波变换的程序,是时频分析的一种,可以在时域和频域内对信号进行分析。-using Matlab language of the wavelet transform procedure is time-frequency analysis of a kind in the time domain and frequency domain analysis of the signal.
tftb-toolbox
- 图像处理中经常使用的时频分析工具箱,包括Garbor变换,小波变化等。
edgeCheck
- 方向小波不仅保持了传统小波变换的良好的时频局部化的分析能力,还具有良好的方向分析能力。 本程序通过高斯函数导数检测图像边缘,实质是方向可调小波变换检测图像边缘。-This program introduces a derectional wavelet transform theory.Derectionalwavelet can better reflect the edge information of images because thy better corresponds to t
FFTDLL.rar
- 本源码可以完成二维傅里叶变换,把图像从时域变换到频域,很好用,this source code can finish fast fourier transformation, which can transform image from time space to frequency, it is very good
matlab
- 基于matlab的时频率分析工具箱,包括了小波变换,WVD,SPWVD等等好多的时频分析方法-Matlab-based time-frequency analysis toolbox, including a wavelet transform, WVD, SPWVD so many time-frequency analysis method
1125
- 基于小波转换对vc程序源代码!小波变换由于具有良好时频局部化特性,它通 过对不同的频率成分采用逐渐精细的采样步长,可 以聚焦到信号的任意细节,能很好地处理微弱或突 变信号-err
HHT
- 希尔伯特-黄变换时频分析,段时傅立叶变换时频分析,-HHT time-frequency analysis
12415311fftshift_and_triang
- 快速傅里叶变换,主要用于时频分析,求取信号频谱,运算快捷方便。-failed to translate
002
- 时频分布处理(重排、图像的信息处理以及Winger-Hough变换)-Time-Frequency Distribution Processing (rearrangements, the image information processing and the Hough transform Winger)
005
- 线性和二次型时频表示(傅里叶变换和Cohen类、Affine类时频分布)-Linear and quadratic time-frequency representation (Fourier transform, and Cohen, the Affine class of time-frequency distribution)
two-dimensional-s-transform
- 包含二维广义S变换程序和测试程序,用于对图像进行时频分析。matlab版本R2011b,操作系统为32位win7。在2G内存下最大只能对84*84的图像进行处理,更大的图像会出现out of memory的问题。目前网上还没有这个程序,包括本站,pudn,ilovematlab都没有。把程序上传到这三个地方,望大家一起来改进它。-Contains a two-dimensional generalized S transform procedure and testing procedure.I
Proj03-02
- 二维离散小波变换 包括源代码和实验结果分析。在数值分析和时频分析中很有用。第一个离散小波变换由匈牙利数学家发明,离散小波变换顾名思义就是离散的输入以及离散的输出,但是这里并没有一个简单而明确的公式来表示输入及输出的关系,只能以阶层式架构来表示。 -Two-dimensional discrete wavelet transform including source code and experimental results. In numerical analysis and time-fr
image-processing
- 图像类处理程序,包含加噪、滤波、几何变换、时频域变换等的综合程序-image processing
xiaobobao
- 小波包变换可以对高频部分提供更精细的分解,而且这种分解既无冗余,也无疏漏,所以对包含大量中、高频信息的信号能够进行更好的时频局部化分析。-Wavelet packet transform can provide the high frequency part of the finer decomposition, and this decomposition is neither redundant nor oversight, so the signal contains a large am
ImageProcess
- 超声大数据数据的处理,进行滤波、采样、时域变换、频域变换,并对数据波形进行显示,最后显示超声图像-Ultrasonic data data processing, filtering, sampling, time domain transform, frequency domain transformation, and the data waveform display, finally according to ultrasound images
STFT
- 短时傅里叶变换的例子,运行处信号图和三维时频分析图-Examples of short-time Fourier transform, while running at a frequency signal and three-dimensional analysis chart
小波变换
- 小波时频图 cwt连续小波变换 Matlab Wavelet 工具箱的使用(Wavelet time-frequency diagram, CWT continuous wavelet transform, Matlab Wavelet toolbox)
add_noise_pinyutu
- 进行纯净信号和加噪信号的时频域显示,及其包络图显示,并计算加噪信号的信噪比、互相关系数、峭度值,对信号进行离散余弦变换。(The time-frequency domain display of pure signal and noise-added signal and its envelope diagram display are carried out, and the signal-to-noise ratio, correlation coefficient and kurtosis
Untitled_jian
- 对信号数字文件进行时频图绘制并进行非线性分析(The time, frequency-domain graph of signal digital file is drawn and non - linear analysis is performed)
傅里叶变换
- 傅里叶变换,时域和频域图同时,简介方便,可以自行修改采样频率(Fourier transform, time domain and frequency domain graph simultaneously)