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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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tftb-0.2
时频分析工具包。包含短时傅里叶变化,vd分解等多种时频分析工具。内有详细帮助可供参考。(Time-frequency analysis tool kit. Include short-time Fourier changes, vd decomposition and other time-frequency analysis tools. There are detailed help for reference.)
- 2011-11-30 15:41:31下载
- 积分:1
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Fingerprint_Minutiae_Extraction
指纹识别
(FingerPrint Recognition
)
- 2015-04-10 22:56:25下载
- 积分:1
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face_detection
implementation of feedforward neural network to recognize the faces with sunglasses from open faces.data source is from machine learning book by mitchell
- 2009-12-28 23:40:17下载
- 积分:1
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1
说明: matlab 1_Jacobi迭代解法 matlab 1_Jacobi迭代解法matlab 1_Jacobi迭代解法 matlab 1_Jacobi迭代解法 matlab 1_Jacobi迭代解法(matlab 1_Jacobi迭代解法)
- 2012-09-07 19:30:54下载
- 积分:1
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SOHC
模式识别。聚类分析算法,经调试可用,希望可用帮到需要的人。(Pattern Recognition. Clustering analysis algorithm used by the debugger, I hope can help people in need.)
- 2013-05-26 12:04:15下载
- 积分:1
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MATLAB
详细介绍matlab开发软件的使用以及各种功能介绍(Detail the use of matlab software development as well as the introduction of various functional)
- 2009-02-11 23:53:18下载
- 积分:1
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Digital_Image_Correlation_2010b
this is a source code on digital image corelation and other features as well..
- 2011-01-08 11:59:50下载
- 积分:1
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zsmli
Matlab Simulink of a Z-source converter
- 2013-01-31 10:16:02下载
- 积分:1
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C-Matlab-combine-book
这本书适用于对于C++和Matlab均有一定了解的基础上进行阅读。很好的将两种语言联系在了一起。(This book is applicable to the C++ and Matlab have a certain understanding on the basis of reading. Very good in both languages will be linked together.)
- 2009-02-28 18:33:22下载
- 积分:1