function?[rx]=?add_noise（snSNR）
fb=10^5;
fs=10^6;
ebn0=10^（SNR/10）;
eb=sum（sn.^2）./（length（sn）*fb）;
n0=eb/ebn0;
pn=n0*fs/2;
n=sqrt（pn）*randn（1length（sn））;
rx=sn+n;

?屬性????????????大小?????日期????時(shí)間???名稱
-----------?---------??----------?-----??----

?????文件????????175??2007-10-08?11:18??ML仿真\add_noise.m

?????文件????????642??2008-05-03?17:43??ML仿真\disper.asv

?????文件????????637??2007-10-09?16:54??ML仿真\disper.m

?????文件????????237??2007-11-30?15:51??ML仿真\gama.asv

?????文件????????237??2007-11-30?15:53??ML仿真\gama.m

?????文件???????1748??2010-10-17?21:21??ML仿真\ML.asv

?????文件???????1750??2010-10-17?21:27??ML仿真\ML.m

?????文件????????332??2007-10-09?16:50??ML仿真\mvalue.m

?????文件????????348??2007-10-08?11:18??ML仿真\QPSK.m

?????文件???????2496??2007-11-29?11:48??ML仿真\try_ml.asv

?????文件???????2496??2007-11-29?11:52??ML仿真\try_ml.m

?????目錄??????????0??2010-10-21?10:40??ML仿真

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????????????????11098????????????????????12