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松斋 经典功率谱估计
- 接法又称周期图法,它是把随机序列x(n)的N个观测数据视为一能量有限的序列,直接计算x(n)的离散傅立叶变换,得X(k),然后再取其幅值的平方,并除以N,作为序列x(n)真实功率谱的估计。 -Connection also known as cycle map, it is random sequence x (n) N observational data as a sequence of limited energy, dire
xiaobo1
- 小波分析,及小波能量谱分析,信号分析与处理技术-wavelet analysis, and wavelet energy spectrum analysis, signal analysis and processing technology
rtcmas_client
- 小波包分析提取振动信号中的特征频率,以及能量谱分析计算-wavelet packet analysis vibration signal from the characteristic frequency, and the energy spectrum analysis
duocengmo
- 小波分析,及小波能量谱分析,信号分析与处理技术小波分析,及小波能量谱分析,信号分析与处理技术-wavelet analysis, and wavelet energy spectrum analysis, signal analysis and processing technology wavelet analysis, and wavelet energy spectrum analysis, Signal Analysis and
Fourierclassicalanalyse
- 傅里叶变换和傅里叶变换的性质,周期信号和非周期信号的频谱分析,卷积和卷积定理,抽样信号的傅里叶变换和抽样定理,相关、能量谱和功率谱.-Fourier transform and Fourier transform nature, the cycle-cycle signal and the signal spectrum analysis, Convolution and convolution theorem, the samplin
hosa
- 高阶谱的计算,主要针对数字图像处理中的能量谱-The calculation of higher-order spectra, mainly for digital image processing in the energy spectrum
wavelet
- 小波包分析提取振动信号中的特征频率,以及能量谱分析计算-wavelet packet analysis vibration signal from the characteristic frequency, and the energy spectrum analysis -Extraction of wavelet packet analysis in the vibration signal characteristic frequ
FFT_IFFT
- (1)求出两维单色数字图象的傅立叶变换以及逆变换,除对比图象效果外,还要给出以中心点作为原点图象显示方式的傅立叶变换的频谱、相位谱,并验证两维傅立叶变换的性质。 (2)傅立叶变换后,计算图象能量谱的分布范围:画出包含图象能量92.0%,94.6%, 96.4, 98.0% 以及99.5% 的圆圈区域。-(1) obtained two-dimensional monochrome digital image of the Fouri
HHT
- HHT(hilbert Huang-transfrom)可以实现同时对信号的时频分析,得到信号的Hilbert时频谱和能量谱,-HHT (hilbert Huang-transfrom) can achieve the same time, the time-frequency analysis, when the signal spectrum and Hilbert energy spectrum
WPC
- 非常实用的小波包分解程序,以及实现对小波包分解频带求取频谱和能量谱-Very useful wavelet packet decomposition process, and the realization of the wavelet packet decomposition to obtain the spectrum and the energy spectrum band
2
- 对信号的边际谱分析,三维能量谱分析以及时频分析的有关程序-Spectral analysis of the marginal signal, three-dimensional power spectrum analysis and time-frequency analysis of the procedure .......
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- 对机械振动信号用三维能量谱进行分析-Mechanical vibration signals of three-dimensional power spectrum analysis. . . . . . . . . . .
fft-filter
- 该程序为傅立叶变换,用来将时域信号进行频域信号分析,保护功率谱、能量谱等。-The program for the Fourier transform, time-domain signal to the frequency domain signal analysis, to protect the power spectrum, the energy spectrum.
xbnlp
- 小波包能量谱的计算,对信号进行频段分析,特征提取,用于模式识别-wavelet packet energy spectrum
untitled
- 随机速度场生成函数,用来对比能量谱,从而分析速度能换(The random velocity field generating function is used to compare the energy spectra)
SpectrumEstimation.m
- 通过经典周期图法,平均周期图法,MUSIC法等三种方法,进行信号能量谱估计(Three methods, such as the classical periodic graph method, the average periodic graph method and the MUSIC method, are used to estimate the energy spectrum of the signal.)
基于VMD和Teager能量谱的滚动轴承故障特征提取
- 基于VMD和1_5维Teager能量谱的滚动轴承故障特征提取_向玲(To extract _ Ling fault features of rolling bearing VMD and 1_5 dimension Teager based on energy spectrum)
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.)
小波包能量谱
- 用于信号特征提取,提取信号的小波包能量谱(Extracting the wavelet packet energy spectrum of the signal)
1.5维能量谱
- 1.5维能量谱matlab程序,有需要的可以下来看看(1.5-dimensional energy spectrum matlab program)