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pcm
本文基于MATLAB/SIMULINK动态仿真环境,以实例阐述了建立脉冲编码调制通信系统仿真模型的一般方法。根据该系统的基本原理将整个模型划分为抽样﹑量化﹑编码等几个子系统,并在传输线路上加入高斯白噪声以检验该系统的传输质量和抗干扰能力。(Title Design and Simulation for PCM communication system
Abstract
)
- 2012-04-27 08:24:53下载
- 积分:1
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VB_ArcObjects(VB)
ArcObjects开发指南,实例的资源文件(ArcObjects development guidelines, examples of resource documents)
- 2007-02-11 09:32:42下载
- 积分:1
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exno
一些matlab学习中间比较常用的课后练习的源代码程序。(Some among the more common learning matlab exercises the source code program.)
- 2011-09-06 14:44:20下载
- 积分:1
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2005011502_118573_ATM_MFC
一个模仿ATM提款机的MFC程序,具有ATM的所有功能。(An imitation of the MFC process ATM teller machines, with all the features of ATM.)
- 2008-04-19 22:06:55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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boil
对于蒸发冷凝的相变UDF,给与大家参考,希望与大家多多交流(For evaporation condensation phase transition UDF, give your reference)
- 2013-12-09 23:14:08下载
- 积分:1
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programming-Windows--fifth
windows 程序设计 第五版 文字版,程序员经典丛书(Text version of the fifth edition of windows programming, programmers Classic Series)
- 2014-02-03 12:16:23下载
- 积分:1
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1234567
实现智能编辑控制控件和一个滑杆控制控件可以同步变化(Editorial control Intelligent control and a slider control can take place in parallel changes in control)
- 2008-01-24 10:49:50下载
- 积分:1
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MATLAB/Simulink搭的三相电压锁相环模块 PLL
自己用MATLAB/Simulink搭的三相电压锁相环模块,输出幅值相位和频率(Use their own MATLAB/Simulink take the three-phase voltage phase-locked loop module, the output amplitude phase and frequency)
- 2020-06-27 02:20:02下载
- 积分:1
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RWLock
说明: 读写锁:
一个简单的支持多个读,一个写控制源码(Read-write lock: the support of more than a simple read, a write control source)
- 2006-03-13 10:36:20下载
- 积分:1