搜索资源列表
emd_ppt
- 一个EMD的ppt,很生动的说明imf产生的过程,能进一步帮助初学者理解EMD-EMD of a ppt, very vivid descr iption of the process IMF can further help beginners understand the EMD
HHT
- 可以实现信号的HHT变换,可以显示各阶IMF分量以及EMD分解过程-This is program that use to HHT transform of signal,so it is very useful.plesease call me !!!
emd
- 经验模式分解(EMD)将信号分解成多个IMF分量,每个IMF分量代表一定频率尺度的模式完整源代码-Empirical Mode Decomposition (EMD) to decompose the signal into a number of IMF components, each component of IMF on behalf of a certain frequency-scale model of the full source code
emd
- 经验模式分解程序,由我们课题组编写,计算本征模函数-emd program, our group write,compute imf
HHT-CODE
- 画出每个IMF分量及最后一个剩余分量residual的图形 画出每个IMF分量及剩余分量residual的幅频曲线 用Hilbert变换直接求该信号的瞬时频率 计算HHT时频谱和边际谱-Draw each IMF component and the last one remaining residual component graphics draw each IMF component and the amplitude of the remaining component of the r
HHTthree-Matlab
- 三种HHT的经典程序,包括示例演示,其中包括各个IMF(基本模式分量)的分解演示过程-Three kinds of HHT classic program, including sample presentations, including the various IMF (intrinsic mode) during the presentation of the decomposition
emd
- 很实用的matlab工具箱,包括EMD及EMD的一些优化算法,以及输出IMF图像,都很好用,推荐给大家-Very practical matlab toolbox, including EMD and EMD some optimization algorithms, as well as output IMF images, very easy to use and recommend it to everyone
Matlab-File-Exchange-Center
- 实现希尔伯特-黄变换的功能,并带有一段测试数据。希尔伯特-黄变换是使用EMD分解将信号分解为本征模态函数(IMF),然后求得IMF分量的瞬时频率。其对于非稳态和非线性信号具有优良的效果。-The function plot_hht is a realization of the Hilbert-Huang transform (HHT). The HHT decomposes a signal into intrinsic mode functions (or IMFs), and obtain
test2
- 他是HHT,经过EMD 分解后得到各阶imf分量。并且对各阶imf分量进行峭度求取。是经典的程序。-He is the HHT, EMD decomposition after each order imf components. And for each component of kurtosis order imf strike. Is a classic program.
fa
- 用来计算固有模态函数(IMF)瞬时频率及振幅包络的代码-The function FA computes a frequency and amplitude of data(n,k), where n specifies the length of time series, and k is the number of IMFs.
simplyhht
- 改进的hht算法,速度更快,分解出两个IMF。-Hht improved algorithm, faster decomposition of two IMF.
Desktop
- 用已有的imf 分量画hht谱图,需要调用InstFreq 函数-Imf components with the existing painting hht spectrum function call InstFreq
National-Taiwan-Central-University
- The current MATLAB program of HHT includes the following modules: 1) eemd.m. The module that performs EMD/EEMD 2) ifndq.m. The module that calculates an instantaneous frequency for a given IMF and 3) extrema.m. A
emd-matlab
- emd算法matlab程序 经验模态分解(Empirical Mode Decomposition, EMD)是将信号分解成本质模态函数(intrinsic mode functions, IMF)的组合。该方法被认为是继傅里叶变换之后又一划时代意义的处理方法。-emd matlab Mode Decomposition Empirical (EMD) is a combination of mode functions intrinsic (IMF).. This method is con
imf_fft
- 信号emd分解后,对imf分量进行FFT变换,求频谱图-After the signal EMD is decomposed, the IMF component is transformed to FFT, and the spectrum is obtained.
matlab
- 进行希尔伯特黄变换时,用EMD方法分解出IMF函数的程序- When Hilbert-Huang transform method using the EMD decomposition of functions IMF program
emd
- 信号处理的emd代码,将信号分解成imf分量-Emd-code signal processing components of the signal into imf
求IMF序列与原始序列的互相关系数
- 混沌信号经过EMD分解,得到的IMF序列,求每个IMF序列与原始序列的互相关系数(The chaotic signal is decomposed by EMD to obtain the IMF sequence, and the cross-correlation coefficients between each IMF sequence and the original sequence are calculated)
本程序主要通过EMD和hilbert求IMF
- 本程序主要通过EMD和hilbert求IMF,作出HHT归一化能量谱图(三维图),边际谱图和瞬时能量图,并做完备性验证(This program mainly through EMD and Hilbert for IMF, make HHT normalized energy spectrum (three-dimensional graph), marginal spectrum and instantaneous energy diagram, and finished the verif
emdenergy - 副本
- 计算emd分量的能量熵;imf与原信号的相关系数(The energy entropy of calculating the EMD component)