搜索资源列表
emd.rar
- 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,Empirical Mode Decomposition
BEMD_code
- 把一幅图像进行经验模式分解,结果为不同频率分量的IMF,用于希尔伯特黄变换,图像去噪等-empirical mode decomposition
emd
- 经验模态分析方法,主要是对ECG信号进行经验模态分解,可分解出多个IMF。-This program can divided ECG signal into a number of IMF.
EMD_ECG
- 此程序用经验模态方法,将心电信号分解成多个IMF,并对信号做时频分析,观察信号中所含有的频率。-This procedure using empirical mode method, the ECG signal is divided into a number of IMF, and the signal time-frequency analysis, observation signal containing frequency.
EMD
- EMD 适合非线性、动态数据分析,基于数据本身,把数据分解为IMF,从高频到低频-empirical mode decomposition is useful to decompose nonlinear and nonstationary into several IMF from high frequency to low frquency.
EMDs-11-6
- Hilbert-Huang 变换 EMD信号分解,实现IMF分量,hilbert能量谱-Hilbert-Huang transform EMD signal decomposition, to achieve IMF component, hilbert energy spectrum
WVD
- 关于魏格纳分布的计算代码,可以得到IMF和各个特征频率以及进行希尔伯特变换。-About calculation code Wigner distribution can be obtained as well as the IMF and the individual characteristics of the frequency of the Hilbert transform.
QuickCam
- 实现对图像的经验模态分解,得到经验模态分解后的第一层IMF分量,反映了图像的主要信息,去除冗余信息,为识别提供了基础。-Empirical mode decomposition of image, obtain the empirical mode decomposition of the first layer of IMF component, reflected the main information of the image, to remove redundant informati
emdfenjie
- 对采集到的振动信号进行EMD分解,得到一系列频率不同的经验模态函数IMF分量,可以用来滤波和提取原信号的特征。-The collected vibration signals of EMD, get a series of different frequency components of IMF empirical mode function can be used to filter and extract features of the original signal.
a-program-about-HHT
- 一个关于EMD分解的程序,可以显示时频谱、IMF分解图和边际谱。-EMD decomposition of a program about when you can display the spectrum, IMF exploded and marginal spectrum.
eemd
- 采用EEMD方法对故障信号进行模式分解,通过产生不同的不同频率的IMF,实现对信号的诊断。-The fault signal was decomposed through EEMD method and the IMF including different frequent was produced, which can diagnose signal effectively.
gaijinifm
- 一种改进的IMF图像去噪方法程序,简单易学,实惠好用。-easy to use.
Desktop
- EMD是处理非线性、非平稳性信号的有效的新方法,本程序是振动信号EMD分解程序,可以把振动信号分解成多个IMF分量和一个残余量。-EMD is nonlinear, effective new method of non-stationary signals, this program is the vibration signal EMD decomposition process, the vibration signal can be decomposed into multiple co
ImfAnalysis
- 关于希尔伯特黄变换(HHT)中最重要的概念即本征模态函数(IMF)的程序,初学者可利用该程序对任意信号进行分解,加强对HHT的理解。-For the Hilbert-Huang Transform (HHT) the most important concept that the intrinsic mode function (IMF) procedures, beginners can use the program to decompose the arbitrary signal, to
基于信息熵的约简MATLAB代码
- 利用matlab和ceemd进行编程求解简单的信息熵,根据求解的imf分量判断信号的情况(Using MATLAB and ceemd programming to solve simple information entropy, according to the IMF component to determine the situation of the signal)
emd
- emd的方法对信号进行处理,得到imf分量(The EMD method processes the signal and obtains the IMF component)
emd_instfreq
- emd+instfreq,进行信号的图像处理,得到imf分量(Emd+instfreq, the signal image processing, to get the IMF component)
decomposition
- 运行emd,得到输入信号X的固有模态函数(imf),每列代表着信号X的一阶分量,X就是我们采集的信号。 hhtdn是hht去噪的程序,可以不看,仅看emd 和 findpeaks wvtdn是wavelet去噪程序,如果只是分解信号,仅用下面的语句即可 [C,L] = wavedec(x_noise,dl,wn); x_noise就是我们采集的信号,dl是分解的阶数,wn是分解的母小波名称(% Empiricial Mode Decomposition (Hilbert-Huang
台湾中央大学EMD_HHT程序代码_Matlab
- EMD序列分解,获得不同频率的分解序列结果(EMD method, which can obtain the IMF with different frequency.)
EMD
- EMD分解IMF程序并出IMF频谱图,一共两个程序(EMD decomposes the IMF program and produces the IMF spectrum diagram)