%+----------------------------------------------------------------+
%|????????????????????????????????????????????????????????????????|
%|??Name:?AWGN_noise.m????????????????????????????????????????????|
%|??Author:?James?Shen????????????????????????????????????????????|
%|??Description:?Takes?a?signal?and?a?SNR?to?output?a?noise???????|
%|??sequence?as?a?row?vector.?????????????????????????????????????|
%|????????????????????????????????????????????????????????????????|
%+----------------------------------------------------------------+

function[noise]?=?AWGN_noise（input?SNR）;

%?SNR?=?10*log10（var（input）/var（noise））

noise?=?crand（1?length（input））*（?var（input）/（10^（SNR/10））?）;

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????文件?????????703??2003-10-30?22:33??AWGN_noise.m
?????文件????????1033??2003-11-03?15:05??channel.m
?????文件?????????897??2003-11-02?01:36??closest.m
?????文件????????3886??2003-11-02?01:38??ofdm_basic.m
?????文件????????7891??2003-11-03?14:51??ofdm_Hilbert.m
?????文件????????8347??2003-11-03?14:53??ofdm_LPF.m
?????文件????????2702??2003-11-03?15:19??ofdm_multisymbol.m
?????文件????????2666??2003-11-03?15:10??ofdm_multisymbol_LMMSE.m
?????文件????????2702??2003-11-03?15:12??ofdm_multisymbol_ZF.m
?????文件????????3325??2003-11-03?15:22??ofdm_rlsvslms.m
?????文件????????1680??2003-11-02?01:36??qamdemod.m
?????文件????????1428??2003-11-02?01:38??qammod.m
?????文件????????3131??2003-11-03?15:13??receiver_lmmse.m
?????文件????????3826??2003-11-03?15:18??receiver_rls.m
?????文件????????3081??2003-11-03?15:12??receiver_zf.m
?????文件????????2338??2003-11-03?15:04??transmitter.m