搜索资源列表
tfrgrd
- 基于广义矩阵分布的时频变换方法，用于信号时频分析。-Based on the Generalized time-frequency distribution matrix transformation method for time-frequency analysis.
timefreq
- 可变窗宽短时付氏变换算法数字信号时频分析m文件-Variable window width STFT m-files for JTFA
wavelet_morlet
- 对一维信号进行连续小波变换，从时频角度分析和处理信号！-One-dimensional continuous wavelet transform signals from time-frequency analysis and signal processing point of view!
Stransform
- 对非平稳信号进行时频分析，分析结果比小波变换结果要好-Non-stationary signal in time-frequency analysis and the results are better than the wavelet transform results
f12_1
- 小波包在信号时频分析中的应用，计算得而他信号小波变换的时频面-Wavelet packet time-frequency signal analysis, he calculated wavelet transform time-frequency plane
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
ft
- 信号的时频分布 ，信号的短时傅里叶变换。很有用 学习小波分析的时候会用到哦-The time-frequency distribution, the short time Fourier transform signal
007
- 小波包在信号处理中的应用（信号时频分析、信号消噪、信号压缩）-Wavelet packet in signal processing of the application (signal frequency analysis, signal de-noising, signal compression)
weigena-weili
- 这是一个威格纳-威利分析程序的实例，简要分析了如何运用威格纳-威利分析进行信号时频分析-This is a Wigner- Willie analysis program instance, a brief analysis of how to use the Wigner- Willie analysis signal analysis
【原创】氢压机机械故障信号诊断系统
- 通过C#的windows窗体设计，建立一个旨在对氢压机机械故障信号进行简单的信号分析，包括峰峰值、有效值、方差、脉冲值的计算和时频域图形分析的机械故障信号系统。除了实现上述信号分析功能，还实现了简单数据导入导出的过程。
the-basic-analysis-of-speech
- 语音信号时频分析，包括语谱图，过零率，自编的自相关，以及最后用了三种方法（短时能量和过零率、谱熵法、Teager算子）进行端点检测，代码完整且测试通过-time and frequency domain analysis of speech signals,including spectrogram,rate of zerocrossing,autocorrelation.and three method of endpoint detection,especially the Teager
Classic-time-frequency-toolbox-
- 经典的MATLAB信号时频分析工具箱，有助于学习研究，内附说明文档-Frequency Analysis classic MATLAB signal toolbox, to help study and research, documentation attached
ST
- 用MATLAB实现的S变换函数，具有FFT和小波变换的特性，是信号时频分析的有力工具，希望对大家有帮助。-Using MATLAB S-transform function, with the characteristics of FFT and Wavelet Transform is a powerful tool when the signal frequency analysis, we want to help.
su
- 对信号进行短时傅立叶变换，并得到信号时频分析图谱。-Frequency spectrum analysis of the signal when short-time Fourier transform and get the signal.
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
continuous-wavelet-transform
- 基于连续小波变化的心音信号时频分析，目的是将连续小波变换应用于心音信号的分析中。-Heart sound signal based on continuous wavelet transform frequency analysis, the purpose of the continuous wavelet transform applied to the analysis of heart sound signals.
eemd
- EEMD信号时频分析方法，EMD的改进方法，解决了EMD的缺点模态混叠问题。-EEMD signal time frequency analysis method, EMD improved method to solve the shortcomings of the EMD mode mixing problem.
tftb
- 魏格纳威利分布，信号时频分析的一种，可以画出信号频率随时间的变化。-Wiley Wegener distribution, a signal time-frequency analysis, you can draw the signal frequency changes with time.
TF-analysis
- 线性调频信号时频分析，自带自己写的STFT函数-FMCW TF analysis, STFT function
xiaobo
- 小波变换（wavelettransform，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 (WT) is a new transform analysis method, which inherits and develops the idea of localized short-time Fourier tra