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HHT
- 实现HHT变换，首先将信号用EMD分解为一系列IMF分量，然后运用希尔伯特变换进行谱运算。可用于损伤识别。-HHT transform signal with EMD decomposed into a series of IMF component, and then use the Hilbert transform spectrum computing. Can be used for damage identification.
baoluo
- 希尔伯特包络谱，程序简单易懂，适合初学的人学习-Hilbert envelope spectrum, straightforward procedures, suitable for beginners to learn
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
zuizhong1
- HHT算法实现emd分解，及希尔伯特黄变换，实现瞬时频率瞬时幅值，边际谱的提取。-The HHT algorithm emd decomposition and Hilbert-Huang transform to achieve the instantaneous amplitude of the instantaneous frequency marginal spectrum extraction.
HHT
- 主要计算希尔伯特边际谱，EMD变换，希尔伯特变换-Main computing Hilbert marginal spectrum, EMD transform, Hilbert transform
Version1
- 小波包分解，重构轴承振动信号，Hilbert包络，FFT进行频谱分析，以获得轴承故障频率。-Wavelet packet decomposition, reconstruction of bearing vibration signal, Hilbert envelope, FFT spectrum analysis to obtain the bearing fault frequencies.
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
HHT2
- Hilbert变换只是单纯地求信号的瞬时振幅，频率和相位，有可能出现没有意义的负频率；HHT变换先将信号进行EMD分解，得到的是各个不同尺度的分量，对每一个分量进行Hilbert变换后得到的是有实际意义的瞬时频率。 -imagesc(t,fliplr((1:size(im,1))/(2*size(im,1))),im,[inf,0]) set(gca, YDir , normal ) xlabel([ time ]) ylabel([ normalized f
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
HILB_ENVELOP
- 希尔伯特,小波分析,包络谱分析是在信号处理领域广泛使用的方法,这里提供一个基于这些方法的快速算法-Hilbert, wavelet analysis, envelope spectrum analysis is a method widely used in signal processing, there is provided a fast algorithm based on these methods
bianjipu
- emd分解后希尔伯特变换，边际谱，可直接调用产生边际谱-After emd decomposition Hilbert transform marginal spectrum can be called directly produce marginal spectrum
pufenxi
- 谱分析 绘制瞬时包络图和瞬时频率图 绘制Hilbert-Huang谱 画出边际谱-Spectrum draw instantaneous envelope and instantaneous frequency diagram drawing Hilbert-Huang spectrum shown marginal spectrum
practice
- 里面的有些自适应的程序文件是后来加上去的，有些还调试不成功。但是生成局放信号，对其emd分解，频谱显示，希尔伯特变换，这些都能够实现。效果很好-Inside some files are added later, and some debugging unsuccessful. But PD signal generation, emd decomposition, spectrum display, Hilbert transform, which are able to achieve. G
hhtbianjipu
- 对信号进行希尔伯特黄变换，随后求边际谱，帮助理解希尔伯特黄变换-The signal Hilbert Huang Transform, and then seek marginal spectrum
A201001-2186
- 频谱分析仪是信号处理研究领域必不可少的工具。现有的基于快速傅利叶变换的频 谱分析仪能对线性的平稳的信号进行有效分析，但难以分析出非线性非平稳信号的瞬时频率 能量变化情况。针对此问题，本文设计了基于希尔伯特黄变换的频谱分析仪，能够对非平稳 信号进行有效分析。所设计系统以DE2-FPGA开发板为硬件平台，结合了NiosII的软核处 理器加以实现，可对采集的外部信号进行希尔伯特黄变换，得到信号的时间-频率-能量三维 谱，并可在VGA上实时显示出来。系统测试结果表明，所设计频谱分析仪
hht
- 这个程序是用希尔伯特黄变换HHT求取信号的时频谱与边际谱代码。-This procedure is used Hilbert Huang Transform HHT strike when the signal spectrum and marginal spectrum code.
Matlab_hibert
- 对正弦信号做希尔伯特变换及其频谱分析，适合学习计算方法的学生-Do sinusoidal signal and a Hilbert transform spectrum analysis, calculation methods for student learning
hht---zhendong
- 希尔伯特黄变换应用于转子震动，包括时频图，希尔伯特变换图，边际谱。-Hilbert-Huang transform is applied to the rotor vibration, including the time-frequency diagram, Hilbert transformation graphs, marginal spectrum.
EMD1
- 本程序主要通过EMD和hilbert求IMF，边际谱图和瞬时能量图，并做完备性验证-This program seek IMF, marginal spectrum and instantaneous energy diagram by EMD and hilbert, and do completeness verification
STFT
- 对信号进行希尔伯特变换、小波降噪、频谱分析和短时傅里叶变换-To Hilbert envelope of the signal, the wavelet noise reduction and frequency spectrum analysis and short time Fourier transform