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CPP
C++学习的相关资料,仅供自学以及交流使用。(C++ learning materials for self-learning and the exchange of use.)
- 2015-01-23 12:39:25下载
- 积分:1
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Matlab_and_VC
vc 和 matlab 混合编程例程,已通过测试(vc and matlab mixed programming routines, has been tested)
- 2007-09-16 10:38:04下载
- 积分:1
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dianliu
散射电流仿真、可视化、c++和matlab(Scattering current simulation、visualization、c++and matlab
)
- 2012-03-30 10:56:36下载
- 积分:1
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The-PC-mouse-code
对想了解pc控制鼠标指针的源码的人有帮助,包括windows调用了那些函数,用了那些库文件等。(Would like to know the source pc control the mouse pointer to help people, including those functions called windows, with those library files.)
- 2013-12-08 12:15:20下载
- 积分:1
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ANC-MATLAB2
Active noise control matlab
- 2015-09-08 11:18:50下载
- 积分:1
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bishe
说明: 永磁同步电机的直接转矩控制算法设计 matlab的仿真(PMSM DTC)
- 2011-03-24 21:47:25下载
- 积分:1
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matlab_instruction
中大数计的matlab的ppt,数学建模竞赛资料(The large numbers of dollars matlabppt)
- 2014-01-22 16:45:54下载
- 积分:1
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solution
Steven M. Kay统计信号处理基础一书的解答(The solution of Fundamentals_Of_Statistical_Signal_Processing)
- 2010-09-03 16:27:27下载
- 积分:1
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acou
交错网格声波方程正演模拟,交错网格有限差分地震波场计算,二维的声波正演,利用空间10阶,时间2阶。(The CalCulation of the SeismiC Wave一 fieldwith Staggered-grid Finite difference Sheme)
- 2014-01-09 08:44:16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
- 积分:1