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nihe1nn
网上下载的一个程序开发的示例程序,很实用(Download an example of a program development process, it is practical)
- 2011-10-11 10:50:56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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comb
这是关于没分燃烧的udf,同学们可以借鉴,利用的是二阶矩模型(this is a combustion udf,which was using the second ju model ,you can use it for referance)
- 2014-01-22 20:27:14下载
- 积分:1
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-MM-UTD-
利用PO修正MM-UTD计算机载波导缝隙天线阵的方向图(Use PO correction MM-UTD computer containing waveguide slot array antenna pattern)
- 2013-12-09 15:10:16下载
- 积分:1
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Doppler
一种MIMO体制天波雷达多普勒扩展杂波抑制方法(Doppler radar system for MIMO-day extension clutter suppression method)
- 2013-12-09 16:39:41下载
- 积分:1
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momentum
UDF添加动量源项
fluent仿真分析虚拟螺旋桨(UDF momentum)
- 2020-11-18 10:09:39下载
- 积分:1
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likelihood-DOA
信号数目估计错误的最大似然波达方向估计的性能分析(The number of signal estimation error of maximum likelihood DOA estimation performance analysis)
- 2013-12-26 12:59:21下载
- 积分:1
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strapdown
LM算法的MATLAB实现。Levenberg-Marquardt算法是最优化算法中的一种。最优化是寻找使得函数值最小的参数向量。(LM algorithm in MATLAB. Levenberg-Marquardt algorithm is an optimization algorithm. Optimization is to find the minimum value makes the function parameter vector.)
- 2013-11-09 22:28:19下载
- 积分:1
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Complex-trace-analysis
地震勘探复数道分析,利用这种方法,能方便地从地震记录中分离表示地震波动力学特征的若干参数,如瞬时振幅,瞬时相位,瞬时频率和视极性等。(The seismic exploration plural channel analysis, using this method, can be easily separated from the seismic records certain kinetic characteristics of seismic wave parameters, such as the instantaneous amplitude, instantaneous phase, instantaneous frequency and apparent polarity.)
- 2013-05-16 10:13:00下载
- 积分:1
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GUI_32
matlab初学者资料 里面有M程序的详细文件 还有编程 直接运行即可(Matlab beginners material inside have M program detailed document and programming can be run directly)
- 2012-03-30 11:22:22下载
- 积分:1