搜索资源列表
lmf
- 线性调频信号的短时傅立叶变换,采用短时傅立叶变换得到线性调频信号的时频分析-linear FM signal short-time Fourier transform, using short-time Fourier transform linear FM signals in the time-frequency analysis
matlab_tftb_toolbox
- Matlab 时频分析工具箱,含短时傅立叶变换、Cohen类双线性时频处理函数、Affine类双线性时频处理函数、模糊函数和其他处理函数等源码,应该很有用。从6.5以后版本的matlab不自带,大家可以下载下来使用。-Matlab Toolbox time-frequency analysis, with short-time Fourier transform, Cohen category bilinear time-frequency processing function, Affine
stft2
- 这个是短时傅立叶变换程序,希望对大家有用了!-This is a short-time Fourier transform procedures in the hope that it may be useful right!
TFRSTFT
- 短时傅立叶变换(STFT)源代码,用语非稳态信号的时频联合描述,可直接用于matlab程序之中.无解压密码.-short-time Fourier transform (STFT) source code, the language of non-stationary signals to the joint time-frequency descr iption, Matlab can be used directly in procedures. No extract passwords.
TFRISTFT
- 逆短时傅立叶变换源代码.适合于非稳态的时频联合分析,可直接用于MATLAB编程,无解压密码.-inverse Fourier transform source code. Suited to the non-steady-state joint time-frequency analysis can be used directly in MATLAB programming, without extracting passwords.
STFT.对时间序列进行短时傅立叶变换的源程序
- 这是一个对时间序列进行短时傅立叶变换的源程序,测试过,好用的.,This is a program for STFT,which had tested.
stft.对信号进行短时傅立叶变换
- 对信号进行短时傅立叶变换以及Wigner-Ville分布分析的matlab程序,The signal short-time Fourier transform and Wigner-Ville distribution analysis matlab program
stft_timefreq_complexSignal
- 短时傅立叶变换测频,可对复信号处理。界面设计好,用户交互方式编程。-STFT frequency measurement can be complex signal processing. Interface design, the user interactively programming.
smbPitchShift
- c++ 短时傅立叶变换实现移频的程序 -pitch shift using short time fourir transform to
Hopping
- 基于时频分布的跳频信号分析研究,短时傅立叶变换,魏格纳分布,伪魏格纳分布,平滑伪魏格纳分布-Based on the distribution of time-frequency analysis of frequency hopping signals, short-time Fourier transform, Wigner distribution, pseudo-Wigner distribution, smoothed pseudo-Wigner distribution
tftb-0.1
- matlab时频分析工具箱,时频分析工具箱包括短时傅立叶变换和二次型时频分析以及各种时频分析的matlab代码-The Time-Frequency Toolbox (TFTB) is a collection of about 100 scr ipts for GNU Octave and Matlab (R) developed for the analysis of non-stationary signals using time-frequency distributions.
stft_ft
- 一种短时傅立叶变换的算法.并利用短时傅立叶变换画图-a algorithm for short time fourier transform
stft
- 本程序是一个用短时傅立叶变换实现的心音时间、频率分析-This program is a short-time Fourier transform implemented with the heart sound time frequency analysis
st
- 一个短时傅立叶变换的MATLAB程序,可以进行信号的时频分析。-A short-time Fourier transform of the MATLAB program, can be time-frequency analysis.
分帧函数、短时傅立叶变换函数
- 包含分帧函数以及短时傅立叶变换函数,即将采集到的信号进行分帧处理,并进行短时傅立叶变换(Including the frame function and the short-time Fu Liye transform function, the collected signals are processed by frame processing, and the short-time Fu Liye transform is carried out)
现代信号处理代码
- 短时傅立叶变换分析,时域分析通常用于最基本的参数分析及应用,如语音的分割、预处理、大分类等(Fourier transform time domain analysis)
上传程序
- buffer滤波器的设计,语音分帧 ,短时傅立叶变换的程序(buffer filter design and Speech sub-frame)
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
小波变换
- 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(Wavelet transform (WT) is a new method of transform analysis. It inherits and develops the idea of short time Fu Liye transform localization. At the
STFT
- 目前的代码是一个matlab函数,它提供给定信号x[n]的短时傅立叶变换(stft)。该函数是matlab命令“光谱图”的一个替代项。功能输出为: 1)一个具有复杂stft系数的矩阵,该矩阵具有跨列时间和跨行频率; 2)频率矢量; 3)时间矢量。 为了阐明函数的用法,给出了一个示例。为了方便起见,输入和输出参数在函数的开头给出。(The present code is a Matlab function that provides a Short-Time Fourier Transfor