搜索资源列表
tftb2002toolbox
- 主要是关于小波变换方面的工具包,可以利用这些函数进行时频分析。-Mainly on the wavelet transform aspects of a toolkit, we can use these functions for time-frequency analysis.
Matlab-tools-of-tf
- 非常完整的关于时频分析的所有程序,包括小波变换,短时傅里叶变换,gabor变换-the matlab tools include many programs about time frequency,such as gabor transform,STFT,wavelet transform,and so on
wavelet-analysis-important
- 小波变换是一种非常重要的时频分析方法,研究小波变换对于地震处理研究有着非常重要的作用-Wavelet transform is a important tool for time-frequency,which plays an important part in the seismic processing.
tftb
- matlab时频分析工具包,包含短时傅里叶变换,WV,小波等多种工具-Time-Frequency Analysis Toolbox
wave-time-frequency
- 普通信号都是非线性信号,一般的傅里叶变换无法有效分析,这是利用小波变换方法进行的有效时频分析方法-Common signals are non-linear signal, generally can not be effectively Fourier transform analysis, which is carried out using wavelet transform time-frequency analysis method for the effective
MATLABshipinfenxi
- 里面包含非常多的时频分析程序,包括小波变换,短时傅立叶变换和维格纳威尔分布-Which contains a lot of the time-frequency analysis procedures, including wavelet transform, short-time Fourier transform and 维格纳威尔 distribution
synsq_toolbox_v1.1
- 时频分析,同步挤压小波变换,一种更精细的时频表示!-Signal time-frequency analysis, synchronous extrusion wavelet transform, a finer time-frequency said!!!!
xiaobo
- 这个过程是连续小波变换的时频分析源代码,小波分析在时间-频率域特性-This procedure is time-frequency analysis of continuous wavelet transform source code, wavelet analysis in time- frequency domain characteristics
wavelet-delete-noisy
- 小波变换是一种很有用的时频分析工具,利用它可以进行很多的信号分析及处理,本例利用小波变换去除噪声-wavelet delete noisy
SNR_MSE_analysis
- 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Fourier变换的
timeanlysise
- 基于小波变换以及快速傅立叶变换的时频分析程序,很实用-cwt fft
miusiu
- 基于小波变换的数字水印算法matlab代码,处理信号的时频分析,通过matlab代码。- Based on wavelet transform digital watermarking algorithm matlab code, When processing a signal frequency analysis, By matlab code.
gunjeng_v86
- 处理信号的时频分析,基于小波变换的数字水印算法matlab代码,matlab编写的元胞自动机。- When processing a signal frequency analysis, Based on wavelet transform digital watermarking algorithm matlab code, matlab prepared cellular automata.
giejou
- 基于小波变换的数字水印算法matlab代码,分析了该信号的时域、频域、倒谱,循环谱等,脉冲响应的相关分析算法并检验。- Based on wavelet transform digital watermarking algorithm matlab code, Analysis of the signal time domain, frequency domain, cepstrum, cyclic spectrum, etc. Related impulse response analysis
yijixiaobo
- 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。(Wavelet transform (wavelet transform WT) is a new analysis method, it inherited and developed the short-time Fu Liye transform the
tftb-new
- 时频分析程序,傅里叶变化,小波变换,s变换,自适应s变换(Time-frequency analysis)
《MATLAB时频分析技术及其应用》源程序代码
- matlab时频分析技术及其应用,信号处理,小波变换及其应用(matlab time-frequency analysis technology and its application, signal processing, wavelet transform and its application)
故障诊断
- 采用时域、频域、FFT小波变换及数学形态等分析方法完成对滚动轴承的故障诊断(Fault diagnosis of rolling bearing is completed by using time-domain, frequency domain, FFT wavelet transform and mathematical morphology.)
testTfrstft
- 建立简单的层状模型,共三层,褶积合成地震记录,使得数据随机缺失30%,分别用傅里叶变换、短时傅里叶变换、s变换、小波变换对地震数据进行时频分析。(A simple layered model with three layers and convolution synthetic seismogram is established. The data are randomly missing by 30%. Time-frequency analysis of seismic data is ca
图像几何变换处理
- 图像的几何变换: 改变图像的大小或形状。比如图像的平移、旋转、放大、缩小等,这些方法在图像配准中使用较多。 图像变换: 通过数学映射的方法,将空域的图像信息转换到频域、时频域等空间上进行分析。比如傅里叶变换、小波变换等。(Image several transformation processing)