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Hilbert335
测量6205深沟球轴承的故障振动加速度信号, 对信号进行时频分析, 利用经验模态分解方法将振动信号分解成不同特征时间尺度的固有模态函数,对每个固有模态函数进行Hilbert 变换得到Hilbert 谱,通过谱分析识别轴承的故障部位和类型, 证实Hilbert 谱的有效性(Measuring 6205 deep groove ball bearing fault vibration acceleration signal, the signal frequency analysis, empirical mode decomposition method to decompose the vibration signal into different characteristic time scales of intrinsic mode functions, the Hilbert transform of each intrinsic mode functions Hilbert spectrum, spectral analysis to identify the location and type of bearing failure, confirmed the effectiveness of the Hilbert spectrum)
- 2013-03-23 14:12:54下载
- 积分:1
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yuanma
基于matlab的图像增强(点操作,滤波器,直方图增强),图像分割,霍夫变换等(Matlab-based image enhancement (dot operator, filter, histogram enhancement), image segmentation, Hough transform)
- 2011-06-19 15:05:40下载
- 积分:1
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abs
matlab中S函数的应用实例,求绝对值(matlab application examples of the S-function, absolute value)
- 2013-03-28 22:10:44下载
- 积分:1
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wigb
用来绘制地震波形曲线,在石油地震勘探以及其他地震研究领域都很实用。(Plot seismic data using wiggles in seismic exploration researchment.)
- 2013-09-25 20:33:18下载
- 积分:1
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max
Max Lyapunov 可以计算最大的Lyapunov 指数(Max LyapunovMax Lyapunov 可以计算最大的Lyapunov 指数Max Lyapunov 可以计算最大的Lyapunov 指数)
- 2010-01-03 00:36:16下载
- 积分:1
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abc_al_be_dq_al_be_abc
abc to alpha be to qd to alpha beta to abc
- 2013-07-20 08:47:59下载
- 积分:1
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wjs
线性调频信号的循环自相关函数包络
基于循环平稳理论的,LFM信号的循环自相关函数包络matlab仿真程序(LFM cyclic autocorrelation function envelope based on the cyclic theory, LFM signal envelope of the cyclic autocorrelation function matlab simulation program)
- 2010-06-04 13:55:44下载
- 积分:1
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matlab
说明: 基于matlab的电力系统潮流计算 实现潮流计算的快捷 并进行数据的验算(The power flow computation of power system based on MATLAB)
- 2010-04-08 18:50:29下载
- 积分:1
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stlwrite
matlab code for stlwrite - Write binary or ascii STL file
- 2015-02-07 13:45:16下载
- 积分:1
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OQPSK
基于OQPSK调制的瑞丽衰落信道的性能分析与仿真(Performance analysis and Simulation of Rayleigh fading channel based on OQPSK modulation)
- 2017-12-11 08:49:22下载
- 积分:1