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lly1
针对滚动轴承故障信号具有非平稳、非高斯的特点,提出了将时域分析与小波分析相结合的方法对滚动轴承进行故障诊断。在研究不同信号分析方法理论的基础上,以滚动轴承外圈故障振动信号为例,采用多种信号处理方法进行了分析。结果表明,各种分析方法在分析轴承故障时的特点各不相同,在实际使用中,可将时域分析与小波分析综合使用,实现轴承状态的实时监测与故障的准确定位。(For rolling bearing fault signals have non-stationary, non-Gaussian, we proposed the time-domain analysis and wavelet analysis method of combining the rolling element bearing fault diagnosis. In the study of different analytical methods based on the theory of signal to the outer ring rolling bearing fault vibration signal, for example, using a variety of signal processing methods are analyzed. The results show that a variety of analytical methods in the analysis of the characteristics of bearing failure vary, in actual use, can be time-domain analysis and synthesis using wavelet analysis, to achieve accurate positioning of the bearing condition monitoring and real-time fault.)
- 2015-01-15 16:52:13下载
- 积分:1
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SVM-Classification-2D-examples
支持向量机 ,2d
举例SVM Classification 2D(SVM Classification 2D examples)
- 2011-09-27 17:39:52下载
- 积分:1
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Untitled
Okumura analyzed path-loss characteristics based on a large amount of experimental data collected around Tokyo, Japan. He selected propagation path conditions and obtained the average path-loss curves under flat urban areas. Then he applied several correction factors for other propagation conditions, such as: Antenna height and carrier frequency Suburban, quasi-open space, open space, or hilly terrain areas Diffraction loss due to mountains Sea or lake areas Road slope Hata derived empirical formulas for the median path loss (L50) to fit
Okumura curves.
- 2013-12-28 23:16:24下载
- 积分:1
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5_Mesh
说明: 自适应算法网格设定,紧接着上一篇上载内容(getmesh,putmesh)
- 2010-04-14 10:33:25下载
- 积分:1
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[Haimen_M.-_Arnson_B.]_Visual_CPP_
C++ For Dummies is an introduction to the C++ language. C++ For Dummies starts from the beginning (where else?) and works its way from early concepts and through more sophisticated techniques. It doesn’t assume that you have any prior knowledge, at least, not of programming.
- 2014-08-09 03:45:29下载
- 积分:1
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13246857451
多用户MIMO预编码技术:块对角化BD,分别采用SVD技术,最大似然检测,最小均方误差检测的误码率性能仿真代码。里面有代码,仿真图等。(Multi-user MIMO precoding techniques: block diagonalization BD, respectively, using the SVD technique, maximum likelihood detection, the minimum mean square error detection BER performance simulation code. There are code, simulation maps.)
- 2021-01-09 13:08:52下载
- 积分:1
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Electromagnetic-Field-2D
ANSYS电磁场分析指南,有关2D的分析。(ANSYS electromagnetic field analysis guidelines for the 2D analysis.)
- 2013-07-31 15:48:01下载
- 积分:1
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example6
design wavelet for image compresstion
- 2015-02-28 07:08:56下载
- 积分:1
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psnr_ssim_ergas
本代码主要用于处理后的图像质量评价,其评价指标综合为一个程序中,其中评价指标有SSIM,PSNR,ERGAS。程序使用matlab编程,根据自己的应用习惯做微调即可(This code mainly for image quality uation after treatment, the uation of a comprehensive program, including uation indicators SSIM, PSNR, ERGAS. Program using matlab programming, according to their own habits application can do fine tuning)
- 2016-04-07 17:21:50下载
- 积分:1
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DMC
说明: 本人自己编写预测算法源程序 DMC 与各位共享(I write your own predictive algorithm to share with you the source DMC)
- 2010-04-22 23:02:31下载
- 积分:1