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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 )
)
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- 积分：1
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CLyapunov
用于通过C实现李氏指数的计算,分析生理数据(For C to achieve through the calculation of Lyapunov exponent analysis of physiological data)
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VC-code
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4563
matlab所有应用程序，很实用,很好很好大家收藏哦，赶快下载(matlab all applications, very practical, very, very good everyone Favorite oh, quickly download)
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MATLAB-7.0User-Guide2-
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powerflow-input
针对C语言环境下的电力系统潮流计算过程中，负责数据输入的子程序。(Power flow calculation for the C language environment in the process, is responsible for routine data entry.)
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Input_5p1
ANSI input 5p3 implementation
- 2012-10-23 14:09:01下载
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