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lab7
说明: 计算方法的上机编程题,计算方法的上机编程题。计算方法的上机编程题(Method of calculation-on programming problems, the calculation-on programming problems. Programming-on method of calculation problems)
- 2010-03-24 23:09:20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
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F16_dyn
F16开环动力学系统模型。输入为油门及三个舵面控制,以及系统低阶、高阶选择器。输出为飞机飞行状态以及油门大小。采用Quaternion四元素法,可以有效避免俯仰角theta达到90°时数学奇异现象。(F16 open-loop dynamic system model. Throttle input and three rudder control, and system low, high selector. Output is the size of aircraft status, and throttle. Quaternion method using the four elements, can effectively avoid the pitch angle theta to 90 °, mathematics strange phenomenon.)
- 2011-09-30 11:04:51下载
- 积分:1
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material-de-comp[1].-grafica
Books of Graphics Computers
- 2014-11-15 03:22:43下载
- 积分:1
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EmbeddingDimension_Cao
混沌时间序列求嵌入维(embedding dimension)Cao方法(Chaotic time series seeking embedding dimension (embedding dimension) Cao method)
- 2015-03-18 16:38:22下载
- 积分:1
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MATLAB
简单的MATLAB拉普拉斯变换,单位阶跃响应的程序(Simple MATLAB Laplace transform of unit step response procedures)
- 2012-06-05 10:28:18下载
- 积分:1
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Partial-Differential-equation
偏微分方程_编程 Routines in C, C++,
Fortran, Java® , Maple® , and MATLAB(Ordinary and Partial Differential
Equation Routines in C, C++,
Fortran, Java® , Maple® , and MATLAB)
- 2014-11-07 09:14:16下载
- 积分:1
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MATLAB
Normalized Cut Image Segmentation Code (Normalized Cut Image Segmentation Code)
- 2008-05-05 11:10:38下载
- 积分:1
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1144
色散介质的FDTD仿真计算,一维辅助微分方法(FDTD )
- 2015-04-11 16:23:22下载
- 积分:1
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seismic-plot
地震剖面图的显示程序,使用matlab编写
!(Seismic profile display program, the use of matlab
!)
- 2013-01-10 09:50:46下载
- 积分:1