搜索资源列表
jingxiangyantuo
- emd分解中采用镜像延拓算法消除边界效应，效果很好-emd decomposition algorithm used in the mirror to eliminate the boundary extension effect, good results
emd_example
- 关于emd方法的应用，绘制功率谱、FFT频谱、Hibert谱、边际谱等-On emd method, draw the power spectrum, FFT Spectrum in Hilbert spectrum and marginal spectrum
emd+HHT
- program for emd and HHT
hsa
- 对信号进行EMD分解并绘制希尔伯特时频谱的程序，自己做毕业设计编写的- EMD decomposition of signals and time-frequency spectrum of the Hilbert mapping procedures, the design of their own graduates prepared
EMD
- 一种适合入门者的EMD程序，能画出频谱图和IMF的时频图-an easy EMD program
plot_3d
- 经过EMD分解后时频分析的三维时频谱图，可直接调用-EMD of three-dimensional time frequency spectrum diagram, which can be directly called.
HHT_spp
- 完整的希尔伯特时频谱程序，可直接运行查看结果，对EMD初学者很有帮助，内附HHT源码。-A complete Hilbert spectrum program, which can be run directly to view the results.It is helpful to the EMD beginners.And the HHT code is enclosed.
EMD
- 用于频谱分析 经验模态分析 很方便的程序 欢迎使用-spectrum emd
hibert
- 该程序绘制了仿真信号的FFT频谱和功率谱，并调用emd分析方法，绘制了emd分解结果，以及瞬时包络和瞬时频率图，还有Hilbert-Huang谱和Hilbert边际谱。-Program to draw the FFT spectrum of simulation signal and power spectrum call the emd analysis method, drawn emd decomposition, as well as instantaneous envelope and
wvd
- 这是一个轴承故障分解程序，给予小波变换，小波去噪，小波重构与EMD相结合，有时频谱，边际谱，功率谱-This is a to bearing failure decomposition program given wavelet transform, wavelet denoising wavelet reconstruction combined with EMD, sometimes the spectrum, marginal spectrum, power spectrum
emd-lizi
- 局域分解法案例----可以对信号进行分解并作出相应的频谱图-Local case decomposition method, the signal can be decomposed and make corresponding spectrum diagram
emd-matlaB
- 该程序绘制了仿真信号的FFT频谱和功率谱，并调用emd分析方法，绘制了emd分解结果，以及瞬时包络和瞬时频率图，还有Hilbert-Huang谱和Hilbert边际谱。-The program draws the FFT spectrum and the power spectrum of the simulated signal and call emd analysis, drawn emd decomposition and instantaneous envelope and insta
emd
- emd变换与hsa，需要emd工具箱，时频谱图-emd transformation and hsa, need emd Toolbox
emd
- 笔者项目经验，用于IMF分量分解，高效准确，可用于频谱包络谱分析。-Author project experience for IMF component decomposition, efficient and accurate, and can be used for spectral envelope spectrum.
emd
- 这是一个将信号进行EMD分解的程序，包括频谱分析等，非常完整。值的广大学者信赖。-This is a signal EMD decomposition procedures, including spectral analysis, etc., very complete. Value of the majority of scholars trust.
plot_hht
- 对非平稳信号进行模态分解为瞬时频率有实际意义的多个分量，进而用希尔伯特得到个分量的瞬时频谱，测试有效(The modal decomposition of non-stationary signals is effective)
HHT+EMD4
- HHT变换，EMD分解通过对实测波进行EMD分解为IMF，生成幅值，相位谱，瞬时频率，三维时频谱(EMD decomposes the HHT transform and generates amplitude, phase spectrum, instantaneous frequency and three-dimensional time-frequency spectrum by decomposing the measured wave into IMF by EMD)
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模型
- 经验模态分解（Empirical Mode Decomposition，简称EMD))方法被认为是2000年来以傅立叶变换为基础的线性和稳态频谱分析的一个重大突破?，该方法是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。 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
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)