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EMD-Toolbox
- EMD的Toolbox及使用方法 经验模态分解(Empirical Mode Decomposition, 简称EMD)是由美国NASA的黄锷博士提出的一种信号分析方法.它依据数据自身的时间尺度特征来进行信号分解, 无须预先设定任何基函数。这一点与建立在先验性的谐波基函数和小波基函数上的傅里叶分解与小波分解方法具有本质性的差别。正是由于这样的特点, EMD 方法在理论上可以应用于任何类型的信号的分解, 因而在处理非平稳及非线性数据上, 具有非常明显的优势。所以, EMD方法一经提出就在不同的
tftb
- matlab下的有用的时频分析工具箱,包括各类调频信号的生成,频率相位提取-matlab useful under the time-frequency analysis toolbox, including the generation of various types of FM signals, frequency-phase extraction
tftb-0.1
- MATLAB 最新的时频分析工具箱1,里面包含大量的MATLAB时频分析函数-The latest MATLAB toolbox 1 time-frequency analysis, which contains a large number of time-frequency analysis of the MATLAB function
speechbymatlab
- 请认真阅读采用MATLAB分析WAV文件。 步骤一:选择一个WAV文件作为分析的对象 。(ding.wav) 步骤三:进行 FFT变换并画频域图形 。 步骤四:进行该声波主要频谱的分析。 步骤五:根据该声音的频谱,反演时域图形 。(有失真) 步骤六:进行付立叶逆变换IFFT并画频域图形 。-Please carefully read the WAV files using MATLAB analysis. Step One: Select a WAV file as the
Matlab_toolbox_for_analysis_of_time_frequency
- Matlab时频分析工具 matlab没有直接的时频分析工具,这个工具箱可以很好的解决这个问题-Matlab time-frequency analysis tool matlab no direct time-frequency analysis tools, the toolbox can be good to solve this problem
MATLABTFanalysiscode
- 《MATLAB时频分析技术及其应用》源程序代码-that s a souce code of <Matlab time-frequnce analysis and application>
DFT
- 1)编写DFT子函数(计算并画出幅频特性),以后可调用。 2)N=32,M=32,128,256时,分析频率分辨率、频谱的光滑程度。 3)N=64,256,512时,分析频率分辨率和频谱的光滑程度。 -1) the preparation of DFT Functions (calculated and drawn amplitude-frequency characteristics), the future can be called. 2) N = 32, M = 32,128
Matlab
- 选择三个不同频段的信号对其进行频谱分析,根据信号的频谱特征设计三个不同的数字滤波器,将三路信号合成一路信号,分析合成信号的时域和频域特点,然后将合成信号分别通过设计好的三个数字滤波器,分离出原来的三路信号,分析得到的三路信号的时域波形和频谱,与原始信号进行比较,说明频分复用的特点。-Choice of three different signal-band spectral analysis carried out, according to the characteristics of the
matlab
- 本文件夹共三个matlab文件和一个word文档, 内容分别为用MATLAB验证时域抽样定理,连续系统的频域分析和连续系统的频域分析。matlab刚捡起来,望大家多多指教与探讨。-A total of three of the matlab folder of documents and a word document, the contents of MATLAB were used to verify time-domain sampling theorem, continuous syst
dishizhang
- MATLAB时频分析技术及其应用 -MATLAB time-frequency analysis technology and its applicationsMATLAB time-frequency analysis technology and its applications
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.
MATLABforGUIdesign
- 介绍了一种荃于MATLAB数字信号处理工具箱、MATLAB数据分析和MATLAB圈形对 象的时变数字信号瞬时频率枯计方法。这种方法利用时频分析结果来估计信号的麟时频率,其 中涉及时频分析、滤波、曲线拟合辞多种处理过程。处理过程的编程实现封较于用户界面上作 为文互工具的控件中,由用户通过交互界面逐步完成估计瞬时预率的工作.-Tsuen introduced a digital signal processing in the MATLAB toolbox, MATLAB and MAT
hosa_d
- 对于一个随机的非高斯信号或者一个确定信号有很多的信息(远不止功率谱...)。本工具用来分析高阶谱和时频分布。-For a random signal or a set of non-Gaussian signals have a lot of information (far more than the power spectrum ...)。 This tool is used to analyze higher-order spectra and time-frequency distrib
tft1
- MATLAB时频分析的原代码(一部分)-Time-frequency analysis of the original MATLAB code (part of)! !
tft2
- MATLAB时频分析的原代码(一部分)-Time-frequency analysis of the original MATLAB code (part of)! !
tft3
- MATLAB时频分析的原代码(工具包的一部分)-Time-frequency analysis of the original MATLAB code (part of kit)! !
tft4
- MATLAB时频分析的原代码(工具包的一部分)-Time-frequency analysis of the original MATLAB code (part of kit)! !
EEMD
- hilbert-huang 变换中EMD(经验模态分解)方法对非线性信号的分析,固定模态分量及瞬时频率计算-hilbert-huang transform EMD (Empirical Mode Decomposition) method of nonlinear signal analysis, the fixed component and the instantaneous modal frequency counter Operator
3
- Matlab时频工具箱,不错的说,可做时频分析用-Matlab time-frequency toolbox, it is true to say that to do with the time-frequency analysis
httmatlab
- 一个hilbert-hang算法的MATLAB程序,适合进行时频分析。性能不错。-A hilbert-hang algorithm MATLAB program, suitable for time-frequency analysis. A good performance.