搜索资源列表
peano_trangle
- 把利用递归法绘制的三条Hilbert-Peano曲线变换角度,首尾相接,构成一个Hilbert-Peano笼!-recursive method of using the three mapping Hilbert - Peano transform angle curve, back-to-back. constitute a Hilbert - Peano cage!
EMD_HHT
- 一部分希尔伯特-黄变换(HHT)的经验模式分解(EMD)程序,-part of Hilbert-Huang Transformation (HHT) Empirical Mode Decomposition (EMD) procedures, huh
EMD_HHT2
- 还是希尔伯特--黄变换的程序,呵呵。hht emd-or Hilbert -- Huang Transform procedures, huh. Hht EMD
hht_toolbox
- 基于matlab的Hilbert-Huang变换完版程序-based on Matlab Hilbert-Huang Transform End version of procedures
希尔伯特黄
- 希尔伯特黄变换的MATLAB算法程序,用于对信号的希尔伯特变换(Hilbert Huang transform MATLAB algorithm program for the signal Hilbert transform)
HHT bianhuan
- 信号处理:希尔伯特-黄变换;应用于地震信号处理(Signal Processing: Hilbert-Huang Transform; Applied to Seismic Signal Processing)
fft_hilbert_Envelope
- 对信号进行fft变换,对变换后的信号进行滤波,,对滤波后的信号进行反变换,傅里叶反变换,对反变换后的信号进行希尔伯特变换,进而画包络谱。(fft filter hilbert translation)
三种HHT_Matlab.part01
- 经验模态分解依据信号时间尺度将信号逐级分解成对称的分量,在进一步对模态函数进行希尔伯特变换(Empirical mode decomposition (EMD) decomposes the signal into symmetrical components step by step according to the signal time scale, and further performs the Hilbert transform for modal functions.)
MAT
- 利用希尔伯特变换实现单边带调制,并对过程中的各点进行分析。(Single-Side-Band Modulation locatied on Hilbert Transform)
EMD_hilbert谱
- emd分解之后再进行希尔伯特变换,获得能量谱(After EMD decomposition, Hilbert transform is used to obtain the energy spectrum.)
HHT变换的三种方法 Matlab
- 里面包含了希尔伯特黄变换的三种方法,还有相关的文献资料说明,能够有助于理解希尔伯特黄变换。(It contains three methods of Hilbert Huang transform, and related literature, which can help to understand Hilbert Huang transform.)
2466992src
- 希尔伯特黄变换的C语言实现,包括希尔伯特谱分析,瞬时频率的求解等。(Hilbert Huang Transform C language, including Hilbert spectral analysis, such as instantaneous frequency solution.)
hilberttest
- 此例程可以用来进行希尔伯特变换,得到包络谱,利用差分公式得到瞬时频率(This routine can be used to carry out Hilbert transform, obtain envelope spectrum, and obtain instantaneous frequency by using difference formula)
21840273hht
- 特征提取,希尔伯特黄变换可以用于模式识别过程中的特征提取(feature extract,Hilbert-Huang transform can be used for feature extraction in pattern recognition)
利用傅里叶变换和包络谱对轴承异响的分析
- 利用轴承声音信号做频谱分析和包络谱分析。(using voice of bearing vibration for FFT and hilbert FFT)
信号的HHT变换主要程序
- hht变换的主要程序,里面包括了时频图、Hilbert频谱图。(The main program of hht transformation includes time-frequency charts and Hilbert spectrum diagrams.)
基于Hilbert变换的包络分析
- 包络分析,用于信号处理。本例举出了一个范例,可以供大家学习参考。(Envelope analysis for signal processing. This example gives an example for everyone to learn from.)
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- 针对矿浆管道工况调整给泄漏检测带来的干扰,准确提取泄漏信号的特征量是降低泄漏误报、漏报的关键。为此,提出了一种基于经验模态分解(EMD)、Hilbert能量谱与变量预测模型(VPMCD)相结合的泄漏检测方法。该方法首先将压力信号分解成若干个固有模态函数(IMF)之和,然后将IMF分量进行Hilbert变换得到局部Hilbert能量谱,依据能量分布的标准差选择最能准确反映矿浆管道运行工况的局部能量谱作为特征值向量,最后通过VPMCD分类器建立泄漏识别模型。将该方法应用于泄漏检测中,实验结果表明,矿
hilberttransform
- 信号的希尔伯特变换 可以提取信号的顺时针夫 瞬时相位 瞬时频率(Hilbert transform of signal can extract the instantaneous frequency of clockwise instantaneous phase of signal)
The Transforms and Applications Handbook
- 该资料介绍了包括Signals and Systems,Fourier Transforms,Sine and Cosine Transforms,The Hartley Transform,Laplace Transforms,The Z-Transform,Hilbert Transforms,Radon and Abel Transforms,The Hankel Transform,Wavelet Transform等在内的十多种变换,数学推导清晰,适合电子电器行业的研究人员学习。(Th