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3900001

于 2012-01-31 发布 文件大小:158KB
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代码说明:

  本文研究的是利用奇异性指数实现对设备状态监视和故障预警功能。首先用LabVIEW 采集传感器电信号,然后对采集到的电信 号进行小波变换得到信号包络奇异点的奇异性指数,即设备运行状态的特征值(In this research project, we use LabVIEW to do wavelet-transformation to the signal collected by sensors in order to get singularity index from the singular points of the particular signal’s envelope. Through comparing this eigenvalue to the figures in a standard database, we can know the functional status of the instruments. Not only the diagnoses are continuously displayed, but alarms about signs of dysfunction will also be raised in a proper way. In other words, both the supervision of the instrument and warning of dysfunction can be achieved)

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2011070921223900001.pdf,200114,2011-07-13

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  • wvd
    这是一个轴承故障分解程序,给予小波变换,小波去噪,小波重构与EMD相结合,有时频谱,边际谱,功率谱(This is a to bearing failure decomposition program given wavelet transform, wavelet denoising wavelet reconstruction combined with EMD, sometimes the spectrum, marginal spectrum, power spectrum)
    2012-11-26 15:15:09下载
    积分:1
  • wavelet-threshold
    几种小波阈值函数去噪的程序及其运行结果比较(Several wavelet threshold denoising function to run the program and its results more)
    2011-09-03 10:40:04下载
    积分:1
  • 03
    说明:  Fault Location in Extra Long HVdc Transmission Lines using Continuous Wavelet Transform
    2016-05-03 20:45:56下载
    积分:1
  • stran
    基本的S变换matlab实现 用于时频分析 为初学者提供基本代码(S transformation for time-frequency analysis to provide basic code for beginners)
    2021-01-13 16:38:48下载
    积分:1
  • haar
    说明:  整数Haar小波变换和逆变换 可用于差值扩展等(Integer Haar wavelet transform and inverter)
    2010-04-26 16:42:55下载
    积分:1
  • HarmoniousWavelet
    谐波小波分析的源代码,应该属于信号处理类的,绝对值得收藏,送给朋友们!(Harmonic wavelet analysis source code, it should be under the category of signal processing, and definitely worth collection, a gift my friends!)
    2008-06-24 18:41:18下载
    积分:1
  • denoise_image_with_two_methods
    分别用小波、分形的方法对图像进行去噪,并对这两种方法的结果进行了比较。(Wavelet, respectively, the method of fractal image denoising, and the results of these two methods are compared.)
    2008-05-17 09:07:43下载
    积分:1
  • nsct_toolbox
    多尺度图像非下采样轮廓波变换(NSCT)的工具箱,实现代码为Matlab版本。可用于图像的多尺度分析,如图像压缩、图像分割、图像融合和超分辨率等。(Multi-scale image nonsubsampled contourlet transform (NSCT) toolbox, code Matlab version. The images can be used for multi-scale analysis, such as image compression, image segmentation, image fusion and super-resolution.)
    2020-09-02 16:58:08下载
    积分:1
  • 13-8
    波的合成及拍频现象实例,输入两正弦波的振幅、初相位及频率观察波的合成及拍频现象(Synthesis and beat frequency wave phenomena instance, enter the two sine wave amplitude, initial phase and frequency of observation of waves synthesis and beat frequency phenomenon)
    2009-09-30 08:41:52下载
    积分:1
  • Lipschitz
    对于非平稳信号,小波多尺度分解师一种有效的信号去噪方法,在小波去噪方法的基础上,提出了基于Lipschitz指数的小波阈值去噪方法(For non-stationary signals, signal de-noising of wavelet multi-scale decomposition ' is an effective method, wavelet denoising method based on proposed wavelet thresholding denoising method based on the Lipschitz exponent)
    2012-11-02 10:25:47下载
    积分:1
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