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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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IJESS_paper7
Introduction to Evolutionary
- 2014-09-21 03:48:52下载
- 积分:1
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chapter09
matlab 中的一些很用的 基本代码。数值分析于应用一书里面的例子。(Matlab numerical analysis in the application of some very basic code.)
- 2013-04-27 10:42:07下载
- 积分:1
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TLBGmatlaabh
毕业设计做的...用LBG算法实现矢量量化的算法法..matlab ,经测试可直接使用。
(Graduation design ... vector quantization algorithm method using the LBG algorithm .. Matlab, has been tested and can be used directly.)
- 2012-07-18 11:29:00下载
- 积分:1
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ma.pdf
matlab在大气科学中的应用~这是介绍如何在大气科学研究中使用matlab的入门教程(matlab in atmospheric science applications- this is how to use matlab in atmospheric sciences Tutorial)
- 2013-09-05 10:32:33下载
- 积分:1
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QpskSim
无线通信调制C++源代码,包含QPSK调制方式(Wireless communication modulation C++ source code, including QPSK modulation )
- 2014-08-07 07:32:26下载
- 积分:1
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MyDEA1.0
做DEA用的,功能很强大,大家可以试试看,真的很好用(DEA do use, very powerful, we can try, really well)
- 2014-02-05 17:32:37下载
- 积分:1
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zgsz
刷钻的大家用用挺好的用的呵呵 你们谩骂用吧(Brush with a very good drill for you to use the abusive use of Oh you use it)
- 2010-05-09 00:22:58下载
- 积分:1
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xinhaochuli
用matlab实现信号的基本处理,还要学会用matlab进行分析(Using matlab to achieve the basic signal processing, but also learn how to use matlab for analysis)
- 2009-12-23 20:45:35下载
- 积分:1
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MATLAB-classical-code
matlab 的经典代码,很实用而且简单,希望能帮助到您(matlab classic code, very practical and simple, hope can help to you)
- 2013-01-17 22:23:27下载
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