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HHT谱计算程序,不是rilling版本,用改进的Hilbert变换,效果好一些,供大家参考。,HHT spectrum of the calculation procedures, rilling is not a version of the Hilbert transform used to improve the results better for your reference.
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这是一个完整的EMD分解全过程,有Hilbert谱和边际谱。直接把源码复制到matlab即可。很全面。-This is a complete decomposition of the whole process of EMD, a Hilbert spectrum and marginal spectrum. Directly to the source code can be copied to the matlab. Very comprehensive.
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本程序主要通过EMD和hilbert求IMF,作出HHT归一化能量谱图(三维图),边际谱图和瞬时能量图,并做完备性验证-The program primarily through EMD and hilbert seek IMF, to HHT normalized energy spectrum (three-dimensional map), the marginal spectrum and the instantaneous energy map, and do a complete v
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用于希尔伯特变换,里面有HHT谱计算程序,不是rilling版本,用改进的Hilbert变换,效果好一些,供大家参考-HHT spectrum of the calculation procedures, rilling is not a version of the Hilbert transform used to improve the results better for your reference.
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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
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HHT变换的EMD方法和希尔伯特谱的一些源程序,以及一些实例数据-HHT transform the EMD method and Hilbert spectrum of some of the source, and some examples of data
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优秀论文及配套源码。Hilbert-Huang变换(HHT)是一种新的非平稳信号处理技术,该方法由经验模态 分解(EMD)与Hilbert谱分析两部分组成。任意的非平稳信号首先经过EMD方法处理后被分解为一系列具有不同特征尺度的数据序列,每一个序列称为一个固有模态函数(IMF),然后对每个IMF分量进行Hilbert谱分析得到相应分量的Hilbert谱,汇总所有Hilbert谱就得到了原信号的谱图。该方法从本质上讲是对非平稳信号进行平稳化处理,将信号中真实存在的不同尺度波动或趋势逐级分解出来,最
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一个emd分解程序,包括瞬时频率,瞬时幅值,边际谱,Hilbert谱-A emd decomposition process, including instantaneous frequency, instantaneous amplitude, the marginal spectrum, Hilbert spectrum
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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
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matlab绘制三维Hilbert谱程序,保证可用。上传文件采用的是.txt形式,实际使用时只需要将后缀改为.m即可在matlab中运行。-matlab draw three-dimensional Hilbert spectrum procedures to ensure that available. Upload file uses a .txt form, the actual use of the suffix to .m only need to be run in matlab.
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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
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希尔伯特黄变换的MATLAB程序,可以对数据自动进行emd分解,并画出相应函数的边际谱。-Hilbert Huang Transform MATLAB program, the data can automatically emd decomposition and draw marginal spectrum corresponding function.
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关于画HHT方法中包络谱和幅值谱的程序,可以精确画出Hilbert包络谱的图像(On painting HHT method in the envelope spectrum and amplitude spectrum procedures, you can accurately draw Hilbert envelope spectrum of the image)
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MATLAB的希尔伯特谱分析,导入数据实现算出。最下二乘拟合算法。快速傅里叶变换详细算法。(MATLAB Hilbert spectrum analysis, import data to achieve calculation.The two by fitting algorithm. With the fast Fourier transform algorithm.)
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在matlab中对信号进行希尔伯特变换 边际谱分析。(In MATLAB, the Hilbert transform marginal spectrum analysis is carried out)
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HHT主要内容包含两部分,第一部分为经验模态分解(Empirical Mode Decomposition,简称EMD),它是由Huang提出的;第二部分为Hilbert谱分析(Hilbert Spectrum Analysis,简称HSA)。(The main content of HHT includes two parts. The first part is Empirical Mode Decomposition (EMD), which is proposed by Huang. T
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hilbert谱分析具体程序代码以及绘制hilbert时频谱(Hilbert spectrum analysis of specific code and the mapping of Hilbert spectrum)
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产生正弦信号时域波形及频谱,并通过希尔伯特滤波器。其中希尔伯特滤波器有两种产生方式,一是使用MATLAB自带的FDAtool;二是程序编写。(The time-domain waveform and spectrum of sinusoidal signal are generated and passed through Hilbert filter. There are two ways to generate Hilbert filter, one is to use FDAtool in
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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.)
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使用2019a Matlab所带HHT程序编写的三维hilbert谱,并带仿真程序,可以直接运行出结果。(The 3D Hilbert spectrum written by HHT program of 2019a MATLAB and the simulation program can run the result directly.)
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