搜索资源列表
shiyan
- shiyan图像分析及图像处理(时频变换)的小软件
WAVELAB850.ZIP
- WaveLab是小波和相关的时频变换的一个Matlab例程库,由美国斯坦福大学的Donoho维护。如果想学好小波变换,与Mallat所著的书\"信号处理的小波导论\"相结合,通过这个例程库,你可学到一些重要的东西。
sft_wt.rar
- 给定函数,变换到频域内,比较短时傅里叶变换大、小视窗和小波变换的区别,生成时频分析图,A given function, transform the frequency domain, more short-time Fourier transform, and a small window and the difference between wavelet transform to generate time-frequency analysis
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
ImageTransform
- c# 写的图像时频变换程序。包括DCT,FFT,DWT,WHT以及对应的逆变化。-c# write image frequency conversion program. Including inverse DCT, FFT, DWT, WHT, and the corresponding changes.
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
TFDToolbox
- 时频分析工具,经典工具箱,包括短时傅里叶变换等实用函数 -Time-frequency analysis tools, classic toolbox, including the short time Fourier transform and other utility functions
sp
- 时频分析与简介,并介绍了小波变换,让我们对时频分析有个大致的了解。-Time-frequency analysis and profiles, and introduced the wavelet transform, so we have a time-frequency analysis of the understanding in general.
5
- 借助小波变换在时频分析上的优点,提取地面运动目标的回波信号特征在目标识别中加以运用-With wavelet transform in time-frequency analysis of the advantages of extracting ground moving target echo signal characteristics to be used in target recognition
realizationofavarietyofwavelettransform
- 小波变换及其应用--时频分析 详细介绍了小变换的实现及其应用。 介绍了各种小波的实现,可供深入学习者参考。-Wavelet Transform and its applications- time-frequency analysis described in detail the realization of transformations and their applications. Introduced a variety of wavelet implementation, f
MATLAB1
- 利用MATLAB进行小波变换、时频变换、滤波器等达到对信号的目的。-use MATAB to voicedenoise
ECGmonitoring
- 小波变换是一种信号的时间—尺度分析方法,它具有多分辨率分析的 特点,而且在时频两域都具有表征信号局部特征的能力。由于其在信号处 理领域表现出的优异性能,目前在生物医学领域,广泛应用于信号检测、 特征提取、图像处理、信号压缩等方面。 -Wavelet transform is a signal of the time- scale analysis method, it has the characteristics of multi-resolution analysis, bu
wavelet
- 小波变换用于脑电信号处理,可以很好的对脑电信号进行时频分析-Wavelet transform for EEG signal processing, can be very good for time-frequency analysis of EEG
WT02
- 小波讲义,对于理解小波变换及时频分析很有帮助!-teaching materials for wavelet
时频分析工具箱
- 小波变换在时频分析方面的原程序,接续上一个,把剩下的部分程序传完。-wavelet transform in time-frequency analysis of the original program, on a successor, the remaining part of the program - End.
matlab小波变换程序
- 小波变换(wavelet transform,WT)是一种新的变换分析方法,它继承和发展了短时傅立叶变换局部化的思想,同时又克服了窗口大小不随频率变化等缺点,能够提供一个随频率改变的"时间-频率"窗口,是进行信号时频分析和处理的理想工具。它的主要特点是通过变换能够充分突出问题某些方面的特征,能对时间(空间)频率的局部化分析,通过伸缩平移运算对信号(函数)逐步进行多尺度细化,最终达到高频处时间细分,低频处频率细分,能自动适应时频信号分析的要求,从而可聚焦到信号的任意细节,解决了
wt
- 小波变换是一种时频分析工具,可以用于图像去噪和压缩算法中。(Wavelet transform is a time-frequency analysis tool, which can be used in image denoising and compression algorithms.)
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)
短时傅里叶变换matlab程序
- 短时傅里叶变换的MATLAB实现代码,有效完成时频分析(matlab implementation code of short-time Fourier transform to effectively complete time-frequency analysis)