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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
- 积分：1
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function
makeresampler函数MATLAB原代码，是IMRESIZE程序丽的子函数(makeresampler function of the original MATLAB code IMRESIZE procedures Korea is the Functions)
- 2007-05-20 11:06:27下载
- 积分：1
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Dynamic-characteristics
结构的动力特性和结构响应~~动力特性分析和时域动力响应分析(Dynamic characteristics and structural response of structures)
- 2014-10-21 11:35:29下载
- 积分：1
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Mathematical-modeling
数学建模案例MATLAB实用程序百例 涵盖基本的matlab程序，对初学者很有帮助(Mathematical modeling case cases of MATLAB utility covers basic matlab program, very helpful for beginners)
- 2015-03-05 10:23:47下载
- 积分：1
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feikonga
四旋翼飞行器的控制程序，实现四旋翼飞行器的自平衡，从而实现其平稳飞行。(The control procedure four rotor aircraft, the realization of the four rotor aircraft self balance, so as to realize the smooth flight.
)
- 2015-03-23 13:44:23下载
- 积分：1
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Matlab-filter
可以进行matlab滤波，含有多种模板，怎么这么无聊的网站(Matlab filter contains a variety of templates)
- 2013-01-05 15:43:30下载
- 积分：1
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BD2B1_Acquisition
北斗二代B1频点接收机捕获Matlab源代码(BD2B1 Matalab Receiver)
- 2013-11-25 20:49:44下载
- 积分：1
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Block_Based_RLS_Despread_Respread_Multitarget_Arra
基于块的解扩重扩多目标算法性能--Block Based RLS De-spread Re-spread Multitarget Array Algorithm and Performance (Block Based RLS De-spread Re-spread Multitarget Array Algorithm and Performance )
- 2009-02-08 17:04:41下载
- 积分：1
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syndiastikhbeltistopoihshaskisi
DFS CODE Depth-first search algorithm Matlab source this procedure site collected from abroad, is the standard depth-first search algorithm, can be achieved and the detection circuit node traversal functions, details see the original English Notes I added this procedure randomness, that is, bifurcation encountered when a randomly selected node, become a random depth-first search algorithm
- 2010-11-30 19:21:44下载
- 积分：1
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The-BP-neural-network
Matlab的编程例题，关于BP神经网络的PID温度控制(Matlab programming examples on BP neural network PID temperature control)
- 2013-10-12 14:11:23下载
- 积分：1
