搜索资源列表
hht_toolbox
- 基于matlab的Hilbert-Huang变换完版程序-based on Matlab Hilbert-Huang Transform End version of procedures
ab1aa8fbd6fc
- 一篇关于小波变换和希尔伯特变换的文章,处理的是无功功率。小波变换代码和希尔伯特变化代码-A Wavelet transform and Hilbert transform article, dealing with reactive power.Wavelet transform and Hilbert transform code
Hilbert-and-wavelet-transform
- 利用希尔伯特变换和小波变换提取信号特征,对信号实现调制样式识别-the signal identify method base on Hilbert and wavelet transform,maybe useful for you
q1
- 提出了一种基于复解析小波变换的相位诊断齿轮故障的方法。复解析小波变换将Hilbert变换与小波分析紧密结合在一起,具有自适应分析能力。利用复解析小波变换得到齿轮振动信号的相位,其功率谱图上可提取调制边频带结构来识别故障模式。试验结果表明这种方法可有效应用于齿轮局部故障诊断中。-A new method using the phase based on complex analytical wavelet transform for fault diagnosis of gears was pro
q2
- 提出了一种基于复解析小波变换的相位诊断齿轮故障的方法。复解析小波变换将Hilbert变换与小波分析紧密结合在一起,具有自适应分析能力。利用复解析小波变换得到齿轮振动信号的相位,其功率谱图上可提取调制边频带结构来识别故障模式。试验结果表明这种方法可有效应用于齿轮局部故障诊断中。-A new method using the phase based on complex analytical wavelet transform for fault diagnosis of gears was pro
q3
- 复解析小波变换将Hilbert变换与小波分析紧密结合在一起,具有自适应分析能力。利用复解析小波变换得到齿轮振动信号的相位,其功率谱图上可提取调制边频带结构来识别故障模式。试验结果表明这种方法可有效应用于齿轮局部故障诊断中。-A new method using the phase based on complex analytical wavelet transform for fault diagnosis of gears was proposed. The phase of vibrati
q4
- 提出了一种基于复解析小波变换的相位诊断齿轮故障的方法。复解析小波变换将Hilbert变换与小波分析紧密结合在一起,具有自适应分析能力。利用复解析小波变换得到齿轮振动信号的相位,其功率谱图上可提取调制边频带结构来识别故障模式。试验结果表明这种方法可有效应用于齿轮局部故障诊断中。-A new method using the phase based on complex analytical wavelet transform for fault diagnosis of gears was pro
q6
- 提出了一种基于复解析小波变换的相位诊断齿轮故障的方法。复解析小波变换将Hilbert变换与小波分析紧密结合在一起,具有自适应分析能力。-A new method using the phase based on complex analytical wavelet transform for fault diagnosis of gears was proposed. The phase of vibration signals of gears is got by complex analyt
fsp_wavelet
- 希尔伯特变换法提取零相位子波的小程序,很好用-Hilbert transform method to extract the zero-phase wavelet procedure, easy to use! !
An-improved-Hilbert-Huang-method-for-analysis-of-
- The Hilbert–Huang method is presented with modifications, for time-frequency analysis of distorted power quality signals. The empirical mode decomposition (EMD) is enhanced with masking signals based on fast Fourier transform (FFT), for separat
hilbert
- 希尔伯特变换,实现复信号的求取,也可以用来实现瞬时参数的求取-hilbert transform
HHT
- 希尔伯特-黄变换,用于非线性非平稳信号分析-Hilbert- Huang Transform for nonlinear and non-stationary signal analysis
baoluopu_baoluoxian
- 现代希尔伯特变换解调分析,一个求包络线和包络谱的程序-Modern Hilbert transform demodulation analysis, a program seeking envelope and envelope spectrum
powerQualityHHT
- 电能质量扰动信号信号通过hilbert变换得到瞬时频率,瞬时幅值,hilbert谱,边际谱等重要特征,从而实现特征提取。-Power quality disturbance signals are obtained by hilbert transform to obtain instantaneous frequency, instantaneous amplitude, hilbert spectrum, marginal spectrum and other important featu
pack_emd.tar
- 能进行经验模态分解,希尔伯特黄变换以及谱分解等(Can an empirical mode decomposition and Hilbert huang transform and spectral decomposition)
emd
- 经验模态分解程序包 希尔伯特黄变换程序的matlab程序仅供参考(Empirical mode decomposition package Hilbert Huang transform program)
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
EMD
- 信号处理及希尔伯特变换,可以用于非平稳信号处理(Signal processing and Hilbert transform can be used for non-stationary signal processing)