搜索资源列表
24
- 将高阶时频表示引入机械故障诊断领域。介绍了Wigner 高阶矩谱(WHOS)的概念、定义。针对多分量信号Wigner 高阶矩谱的交叉项会产生“虚假信号”,结合局域波法, 提出了一种抑制WHOS交叉项的新方法。首先对复杂信号进行预处理, 利用局域波分解方法把其分解成有限个具有单分量特性的基本模式分量,然后对每个基本模式分量计算WHOS。该方法能有效抑制WHOS时频分布的交叉项。通过仿真实验和转子的故障实验,以Wigner 双谱为例, 验证
shuangpu
- 高阶谱__第2章_双谱估计.doc 双谱分析的基础-Chapter 2 of the high-end spectrum __ _ bispectrum estimation. Doc
bispectrum
- 双谱，在地震，图像的运用及其广泛，此程序是运用两次傅里叶变换产生双谱。-bispectrum,which is applide widely to seismic and image procesing.The code generate bispectrum by using Fourier transform twice.
nuttallwindowFFT
- nuttall窗双谱线插值FFT算法实现电力谐波分析-electical harmonic analysis based nuttall window double-spectrum-line interpolation for FFT algorithms
hosa
- 高阶统计量和高阶谱工具箱，进行双谱的有关计算-Higher-order statistics and high-order spectrum toolbox bispectrum calculation
bispectral
- 双谱分析检验时间序列的非线性特征 程序已经测试过了 完全可以高效率的运行-The bispectral analysis test time series nonlinear characteristics of the program has been tested completely efficient run
shuangpuxianchazhi
- 双谱线插值法程序，包含各种常见的窗函数，采样频率和点数可以自己设定。-The Double Line interpolation procedures, including a variety of common window function, sampling frequency and the number of points can be set.
111
- 高阶谱和双谱程序，很全，内含自己编写的若干程序-High order spectrum and power spectrum procedures, very full
shuangpu
- 本附件包含在matlab环境下双谱分析源码的m文件，除了高阶谱，是用的比较广泛的一种。主要用于TDOA及弱信号检测等。可以动手下载后在matlab下运行之。和我前次发的高阶谱分析帖子一样，是要手动加入matlab高阶谱工具箱！ -This annex is included in the matlab environment bispectral analysis of source code of m documents, in
zhoucheng
- 轴承故障诊断，经验模态分解，采用切片双谱-Bearing fault diagnosis, empirical mode decomposition, using slices bispectral
bispectrum
- 用c实现的提取信号的双谱，进而可用于信号特征提取和识别-With c realize the dual spectrum signal extraction, and thus can be used for signal feature extraction and recognition
BISPECI
- 双谱间接法的matlab实现，在用信号的特征提取上，可以直接调用。-Bispectral indirect method matlab realize, in a signal feature extraction, it can be called directly.
double-spectral
- Matlab双谱分析，高阶累积量的定阶，用相邻奇异值差最大定阶，绘制双谱（等高线图，双谱图，相位图，切片图）-Matlab double spectral analysis, fixed-order cumulant, with the largest difference between adjacent fixed-order singular value, drawing double spectrum (contour maps
Desktop
- 经典的功率谱和 双谱估计，很好，看看能用上的。-Classic power spectrum and dual spectrum estimation, well, look at can be used on.
shuangpu
- 高阶谱双谱程序，非常实用的双谱例程供你参考-Order spectrum bispectral procedures, very practical double spectral routines for your reference
shuangpu
- 利用双谱分析信号的二阶非线性，检测信号的二次相位耦合-Spectral analysis of signals using two second-order nonlinear quadratic phase coupling detection signal
suanli
- 分析相位耦合的两个算例，分别利用了双谱和双相干系数法-Analysis of phase coupling of two examples, namely the use of a dual spectrum and bicoherence France
Dual-Spectrum
- LabVIEW 双谱程序,包含程序读取，双谱估计-LabVIEW double spectrum of applications, including application reads, the double spectrum estimation
guzhanglizi28
- 求双谱三维图的一段程序，希望能对你的研究起到一定的帮助作用-Cepstral Seeking a function of pitch, hoping to help thank you study
shuangpufenxi
- 双谱分析程序，已经经过调试，证明可以运行！-Dual spectrum analysis procedures have been debug, prove you can run!