搜索资源列表
sig_ecg.rar
- 产生无噪声、带工频噪声、白噪声的心电信号图形,Produces no noise, with frequency noise, white noise, ECG graph
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.
xiaobo
- 小波变换的程序包，具有多个程序，有很好的实频分析效果-Wavelet transform package, with a number of procedures, have a good effect of real-frequency analysis
yy1
- 利用小波分解分析信号的时频特性 包含但尺度小波分解和多尺度小波分解-When using wavelet decomposition analysis signal frequency characteristics include scale wavelet decomposition and multi-scale wavelet decomposition
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
harmonic-and-harmonic--packet
- 共包含四个文件： hamo_packet.m 谐波小波包子程序，输入参数为原信号序列，采频，分解层数，返回三维数组，存储各层各频带分解结果； harmopacktest.m 检验上述子程序可行性的m文件； harmonic wavelet analysis.pdf Newland关于谐波小波的原始论文； 20130329谐波滤波.docx 内附matlab程序和分析结果。对电机电流信号做了谐波小波分解，分别从时域和频域构造谐波小波，结果显示，频域构造的小波光滑性稍差。-Conta
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
小波分析
- 输入数据并进行中心化处理，之后用于计算数据的小波时频图(Wavelet time-frequency map for computing data)
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)
小波多分辨分析
- 小波多频分析，对信号进行多频重构，分析信号的高频和低频成分(The wavelet time-frequency analysis, to multi-frequency signal reconstruction, analysis of high frequency and low frequency components of signals)
《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)
小波分频
- 运用小波分析把地震波分频，选取4阶db为母小波，可以进行多次分频，减小分频误差(The wavelet analysis is used to divide the seismic wave frequency and select the 4 order DB as the mother wavelet, which can be divided into several times to reduce the frequency division error)
lamb
- 用matlab写的计算lamb频散曲线的小程序(A small program for calculating lamb dispersion curves written in MATLAB)
OneDrive
- 用于故障诊断中计算时频域中的小波包能量矩。。(Wavelet packet energy moment)
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.)
图像频域操作全系列
- 对图像进行傅里叶变换，离散余弦变换，小波分解，拉东变换等(Two layers of wavelet decomposition for image)
fenpin
- 通过小波变换理论，将地震加速度分解为互不重叠的不同频段的小波分量(Based on the theory of wavelet transform, the seismic acceleration is decomposed into non overlapping wavelet components of different frequency bands.)
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