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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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NRchaoliu
NR潮流，主要应用于电力系统中。是一种基本的算法(NR powerflow, mainly used in power system.Is a basic algorithm)
- 2014-12-05 15:14:36下载
- 积分：1
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wind-matlab
基于matlab的风电仿真 不是PSCAD的 好好利用吧(Matlab-based simulation of wind power is not a good use of it PSCAD)
- 2011-08-15 10:01:30下载
- 积分：1
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yc
说明： 本程序利用Logistic映射产生混沌序列，并比较其游程特性(This program makes use of the Logistic map to produce a chaotic sequence, and compare its run-length features)
- 2012-04-25 10:52:58下载
- 积分：1
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l1magic-1.11
L1magic 1.1.1 求解1范数优化的工具(L1magic 1.1.1 Solving a norm optimization tool)
- 2013-11-25 19:39:23下载
- 积分：1
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Matlab
采用matlab进行傅里叶变换，将图像变换成频谱形式的图像。(Using MATLAB Fourier transform, the image is converted into a spectrum in the form of image.)
- 2012-11-20 19:55:10下载
- 积分：1
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IntroductionToIPMulticast
Basics about Multicast
- 2010-10-18 16:35:36下载
- 积分：1
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1
说明： 特征法数值求解传输线响应的Matlab实现程序(Numerical Solution of the characteristics of transmission line in response to the realization of Matlab procedures)
- 2008-10-17 16:58:51下载
- 积分：1
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1.10
求解线性规划逆问题的光滑牛顿法的程序，时间很快，精确度也很高(Solving the inverse problem of linear programming procedure smooth Newton method, the time soon, is also very high accuracy)
- 2011-09-17 09:45:28下载
- 积分：1
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art1-code
解决ART1运行,实现matlab的ART1仿真实验(Solve ART1 run, to achieve the matlab simulation ART1)
- 2013-11-04 20:03:26下载
- 积分：1
