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Multi-signosis
说明: 多信号模型在故障诊断中的应用Multi-signal model in fault diagnosis(Multi-signal model in fault diagnosis)
- 2011-03-08 00:17:44下载
- 积分:1
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example4_6
:滤波
fs=400 采样频率,必须大于两倍基带信号最高频率
ts=1/fs 采样时间间隔
T=5 时间窗大小
t=0:ts:T (hf1=zeros(1,N)
hf1(f<=B1&f>=-B1)=1
y1=hf1.*fftshift(y)
figure
subplot(211)
plot(f,abs(fftshift(y))/N,f,hf1, r-- )
axis([-fs/2,fs/2,0,1.2])
title( 原信号频谱 )
xlabel( f /Hz )
subplot(212)
plot(f,abs(y1)/N)
title( 低通滤波,截止频率90Hz )
xlabel( f /Hz ))
- 2010-05-25 20:58:05下载
- 积分:1
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pca
主成分分析是设法将原来众多具有一定相关性(比如P个指标),重新组合成一组新的互相无关的综合指标来代替原来的指标。(Principal Component Analysis,PCA)
- 2012-08-24 16:04:01下载
- 积分:1
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FFT_DIT
一个按照时间抽取的基2快速傅里叶变换(基2FFT-DIT)。输入倒位序,输出自然顺序。(A time taken by the base 2 fast Fourier transform (base 2FFT-DIT). Enter the inversion sequence, the output of natural order.)
- 2011-11-01 01:20:27下载
- 积分:1
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dif
pid controller for AQM router
- 2015-02-28 06:59:23下载
- 积分:1
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Compressive-Sensing
Compressive Sensing: 从时域稀疏性和频域稀疏性两个不同角度实现基于MATLAB的压缩感知原理性能.对于Compressive Sensing 初学者有着极大的帮助。(Compressive Sensing: Based on MATLAB, codes realize CS theory from Time-Sparsing and Frequency-Sparsing field.It s really helpful for those who are fresh in CS field.)
- 2013-05-22 09:55:00下载
- 积分:1
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code
去雾算法,包括了matlab代码,和几个可以使用的exe文件(Defogging algorithm)
- 2014-02-24 19:23:39下载
- 积分:1
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Simulated-annealing-algorithm
模拟退火算法,计算复杂函数极值,可以通过这个函数计算最值,得出最优解(Simulated annealing algorithm, the computational complexity of the function extreme value, you can calculate the value of this function, the optimal solution)
- 2011-04-27 17:35:15下载
- 积分:1
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MATLAB-from-entry-to-the-master
这是一本matlab入门的书,由大牛周建兴编写,比较适合初学matlab的人,主要讲述了基本的编程规则以及技巧。(This is a matlab-entry book, written by Daniel Zhou Jianxin, more suitable for beginners Matlab, focuses on the basic programming rules and techniques.)
- 2012-05-23 22:50:17下载
- 积分:1
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matlabexample
该压缩包包含了“信号与系统分析及MATLAB实现”一书的所有程序;
(The archive contains a " signal and system analysis and MATLAB to achieve" a book of all programs )
- 2010-12-23 19:16:45下载
- 积分:1