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Application_and_Study_of_Matlab_on_Time-frequency_
- 基于matlab的信号时频分析仿真 MATLAB 软件在多个研究领域都有着广泛的应用。其中,它的频谱分析和滤波器的分析设计功能很强,从而使数字信号处理变得十分简单、直观。本文介绍了时频分析基础理论及一些应用,运用MATLAB 语言实现了旨在构造一种时间和频率的密度函数,以揭示信号中所包含的频率分量及其演化特性的wigner-ville 分布。-Matlab-based time-frequency signal analysis and simulation software MATLAB
WVD
- WVD变换的matlab工具包,非常有用的信号时频分析工具
ST_Its_Application
- 非平稳信号时频分析中的S变换实现的例程及应用
MATLAB
- 数字信号处理及其MATLAB实现书籍,基于matlab的信号时频分析仿真书籍
tftb
- tftb,一个信号时频分析文件包,matlab源码,在语音信号学习中可以运用此包来快速理解语音信号的特点。
stft.rar
- 基于短时傅里叶变换的非平稳信号的时频分析,Based on Short time fourier transform,signal s time-frequecy analysis.
tftb2002toolbox
- matlab工具包,非常有用的信号时频分析工具,stft,doppler-matlab toolkit, a very useful time-frequency analysis tools, stft, doppler
tfrpage
- cohen类信号的双线性信号时频分析,page分布,该函数用于计算离散时间信号X的page分布,或良信号的互page表示。-cohen category signals bilinear time-frequency analysis, page distribution, the function used to calculate the discrete-time signal X s page distribution, or good signal that each page.
tfrppage
- cohen类信号的双线性信号时频分析,伪page分布,该函数用于计算离散时间信号X的伪page分布,或良信号的互page表示。-cohen category signals bilinear time-frequency analysis, pseudo-page distribution, the function used to calculate the discrete-time signal X pseudo-page distribution, or good signal that
time-frequency
- 基于快速折叠算法和时频分析的LPI跳频信号截获.pdf-Based on fast folding algorithm and time-frequency analysis of LPI signal intercepted frequency-hopping. Pdf
Untitled
- 模拟单边带调幅及解调产生300 ~ 3400Hz的调制信号,画出时域波形及频谱; 产生载波信号,频率自定义,画出时域波形及频谱; 产生加性高斯白噪声,画出时域波形及频谱; 单边调幅,画出叠加噪声后的调制信号和已调信号的波形及频谱; 设计滤波器,画出幅频响应图; 解调,画出解调后的信号时域波形及频谱,并对比分析。-Simulation of single sideband amplitude modulation an
timefrequenceanalysis
- 信号时频分析matlab软件,使用GUI界面,非常简单,可以分析信号的时频特性以及进行谱分析-Signal time-frequency analysis matlab software using the GUI interface is very simple, can analyze the signal characteristics as well as the time-frequency spectral analysis
tfa
- 自适应时频频分析方法,具有界面操作,参数选择等功能,可以自由调入信号获得相应的自适应视频分析方法结果。-Adaptive time frequency analysis method,It can be used to give TFR of signal.
tfrmh
- 一种时频变换方法—Margenau-Hil分布,用于信号时频分析。-A time-frequency transformation method-Margenau-Hil distribution for the signal time-frequency analysis.
tfrmhs
- 一种时频变换方法—伪Margenau-Hil分布,用于信号时频分析。-Of a time-frequency transformation method- Pseudo Margenau-Hil distribution for signal time-frequency analysis.
时频信号分析
- 实现绘制信号的功率谱,两重自相关,滤波后时域,滤波器,频谱图,信号时域图以及自相关函数图等功能(The functions of drawing signal power spectrum, double correlation, filtering time domain, filter, spectrum, signal time domain and autocorrelation function diagram are realized.)
代码
- 利用广义S变换求取地震信号时频谱,参数可调,代码清晰,用途广泛(The generalized S transform is used to get the time spectrum of signals, and the parameters can be adjusted.)
时频分析
- 利用matlab仿真软件,完成对语音信号处理的时域分析和频域分析,分析语音信号的基本特征参数。(Matlab simulation software was used to complete the time domain analysis and frequency domain analysis of speech signal processing and analyze the basic characteristic parameters of speech signal.)
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)
MATLAB时频分析
- 短时傅里叶变换,short-time fourier transformation,有时也叫加窗傅里叶变换,时间窗口使得信号只在某一小区间内有效,这就避免了传统的傅里叶变换在时频局部表达能力上的不足,使得傅里叶变换有了局部定位的能力。