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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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tiaopinxinhao_chansheng
利用matlab，产生具有三个频率的跳频信号(the generation of jump-frequency signal)
- 2012-05-24 09:12:55下载
- 积分：1
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MinimosCuadradosL.m
minim squares matlab numerical
- 2012-01-26 20:30:23下载
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reduce_ISI(NLMS_BLMS)
如何减少ISI？分别用NLMS,BLMS，基于符号的LMS算法完成仿真，并比较结果，包括不同信道参数w，不同数据块长度L对其的影响。(How to reduce the ISI? Respectively NLMS, BLMS, symbol-based LMS algorithm to complete the simulation, and compare the results, including different channel parameters w, different data block length L of its impact.)
- 2011-08-17 11:28:57下载
- 积分：1
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matlab
里面包含了《matlab常用算法程序集》的全部程序，很好用哦，欢迎下载！(Which contains all the procedures of matlab algorithm commonly used procedures set " Oh well, welcome to download!)
- 2012-09-14 18:57:52下载
- 积分：1
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BPFA_Denoise_04152010
非参贝叶斯字典学习用于图像去噪的matlab代码(BPFA denoising matlab code
for the paper nonparametric bayesian dictionary learning for analysis of noisy and incomplete images
download
http://www.ee.duke/~mzl/Results/BPFAImage/.)
- 2020-11-25 09:59:32下载
- 积分：1
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detection
一种matlab实现网络划分的算法，主要用于复杂网络中的社区发现(A matlab algorithm for network partition, which is mainly used for community discovery in complex networks)
- 2020-10-12 15:37:32下载
- 积分：1
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HW_2
Graphical illustration of a free falling ball describing different parameters using matlab simulation
- 2010-06-11 21:18:52下载
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Engineering-Statistics
engineering statistic
- 2011-05-10 07:30:40下载
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ai_RayCh
Rayleigh fading channel
- 2014-12-15 06:37:16下载
- 积分：1
