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Commn
document on digital demodulation
- 2010-07-04 02:38:31下载
- 积分：1
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example4_4
例4：在sinc(t)信号中叠加噪声，分析对应频谱
fs=100 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=2 时间窗大小
(
x=x+0.1*randn(1,N)
x=awgn(x,-10, measured )
figure
plot(t,x)
title( 时域信号图 )
xlabel( t /s )
y=fft(x,N)
figure
if mod(N,2)~=0
N=N-1
end
f=linspace(0,fs/2,N/2)
plot(f,abs(y(1:N/2))*2/N)
title( 叠加噪声的sinc(t)信号频谱 )
xlabel( f /Hz )
figure
y0=y(1:N/2)
P=y0.*conj(y0)/N
P=10*log10(P)
plot(f,P)
title( 功率谱 )
xlabel( f /Hz )
)
- 2010-05-25 20:59:03下载
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dingbuchangLMS
最新的定步长LMS自适应滤波算法，对自适应算法有很大帮助(The latest fixed step size LMS adaptive filtering algorithm)
- 2015-01-12 12:39:18下载
- 积分：1
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dos
another progaram that has been in matlab
- 2013-07-11 09:37:40下载
- 积分：1
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MATLAB
此为MATLAB简明教程，入门的话非常值得一看(This is a concise MATLAB tutorial and introductory words are worth a visit)
- 2011-05-31 17:07:40下载
- 积分：1
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dss
DS扩频信号抑制正弦干扰性能仿真程序(DSSS signal sinusoidal interference suppression performance simulation program)
- 2007-04-21 10:35:47下载
- 积分：1
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imaging-processing
Imaging processing segmentacja
- 2011-10-04 16:41:47下载
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fast_LOT
lot重叠正交变换快速算法，matlab源代码。(lot lapped orthogonal transform fast algorithm, matlab source code.)
- 2008-12-29 21:23:20下载
- 积分：1
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aplication-houghcircles
identify circles in a image binary by method houghcircles
- 2012-08-17 23:43:48下载
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optimization
最优化问题中的最速下降法，共轭梯度法，黄金分割法代码，为applied optimization with matlab programming书中源代码(Steepest descent method, conjugate gradient method, golden section method code)
- 2015-04-02 22:06:48下载
- 积分：1
