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HHTtransformanalysisofpressurepulsewavesignal
- 本文采用的是先对脉搏波进行经验模态分解，产生一组内在的模函数，每一种模态对应一种物理状态，之后使用ＨＴ得出瞬时的频率和振幅，进而得到边际谱-In this paper, is the first of the pulse wave empirical mode decomposition, resulting in a set of intrinsic mode function, each mode corresponds to a physical state, followed by th
emd
- 利用matlab程序编写的经验模态分解，介绍了emd方法的应用-emd
emd经验模态分解
- emd经验模态分解，可用于matlab经验模态分解工具中
package_emd
- 基于matlab的EMD(经验模态分解)(It gives some files on EMD by the team of G Rilling,and it show the algorithm on EMD in detail.)
EMD工具箱
- 经验模态分解方法是由美国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。(The empirical modal decomposition method is a kind of signal analysis method proposed by Dr. Huang E of NASA, which decomposes according to the time scale characteristic of the data
7941935mat_emd
- emd 经验模态分解过程，及其相关应用，以及具体过程示例(emd Empirical mode decomposition process, and its related applications, as well as specific process examples)
emd
- 该方法的关键是经验模式分解，它能使复杂信号分解为有限个本征模函数（Intrinsic Mode Function，简称IMF），所分解出来的各IMF分量包含了原信号的不同时间尺度的局部特征信号。经验模态分解法能使非平稳数据进行平稳化处理，然后进行希尔伯特变换获得时频谱图，得到有物理意义的频率。与短时傅立叶变换、小波分解等方法相比，这种方法是直观的、直接的、后验的和自适应的，因为基函数是由数据本身所分解得到。由于分解是基于信号序列时间尺度的局部特性，因此具有自适应性。(The key of thi
EMD_
- emd, 经验模态分解代码。 输入输出都很简单。写好了一个test 可供使用。 简单使用则可以使用文件 find_emd_then_plot 写好了一个 plot 可供画出分解后的曲线。(emd, Empirical Mode Decomposition, code. Input and output are very simple. I have writed a test.m for using. Simple to use the file find_emd_then_plot.
emd加instfreq信号处理工具
- 经验模态分解，克服了小波分析的频率重叠效果不明显的问题。可以在欠定情况下进行信号分解。(Empirical mode decomposition, to overcome the wavelet analysis of the frequency overlap effect is not obvious problem. Signal decomposition can occur under undetermined conditions.)
emd Vs vmd
- 经验模态分解效果和改进后VMD分解方法对比,尤其是在传统经验模态分解结果的弊端上(The empirical mode decomposition effect is compared with the improved VMD decomposition method, especially in the drawbacks of the traditional empirical mode decomposition results.)
emd
- MATLAB有经验模态分解的工具箱，此次上传的程序有前人编写的分解程序，利于理解分解原理。(MATLAB has the toolbox of empirical mode decomposition. This uploaded program has decomposed programs written by predecessors, which is good for understanding the decomposition principle.)
bemd
- 本程序主要通过二维经验模态分解计算二维信号的IMF，使用筛选的过程。它依赖于函数SIFT。(BEMD This program calculates the Bidimensional EMD of a 2-d signal using the process of sifting. It is dependent on the function SIFT.)
memd
- emd改进算法，克服了emd算法的模态混叠，屏蔽经验模态分解算法。(The Improved EMD algorithm overcomes the modal aliasing of EMD algorithm and shields the empirical mode decomposition algorithm.)
局部经验模态分解
- 基于局部经验模态分解，可以很好地提取轴承故障特征
经验模态分解
- 这是用于经验模态分解的matlab程序，不需要安装EMD工具箱就可以实现
EMD
- EMD经验模态分解算法仿真，内部包含函数及泄露信号及模拟信号的仿真(Empirical Mode DecompositionEmulation of empirical mode decomposition algorithm, simulation of internal containing function, leakage signal and analog signal)
变分模态分解
- 变分模态分解，比经验模态分解更有优势对信号的处理，可以使用
【EMD重构】
- 对经验模态分解后的各分量IMF进行重构代码，函数可直接调用。(After the empirical mode decomposition, IMF reconstructs the code, and the function can be called directly.)
经验模态分解及其改进
- matlab的EMD,EEMD,CEEMD和VMD四种模态分解方式(There are four mode decompositions including EMD, EEMD, CEEMD, and VMD.)
经验模态分解
- matlab 经验模态分解 信号分解与重构