function?[S_add_noise]?=?AWGN（Ssigma）;
%?the?INput?parameters:?Ssigma:?indicate?the?SNR
%?the?OUTput?parameters:?S_add_noise

noise=sqrt（sigma）.*randn（size（S））;
S_add_noise?=?S+noise;

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----

?????文件??????67420??2009-12-22?21:08??SymofTurboQPSK\all.fig

?????文件????????128??2009-12-22?21:11??SymofTurboQPSK\all.mat

?????文件??????22893??2009-12-21?22:53??SymofTurboQPSK\allaboutAWGN.fig

?????文件??????21137??2009-12-22?20:59??SymofTurboQPSK\allaboutfading.fig

?????文件??????24139??2009-12-22?22:17??SymofTurboQPSK\ALLof.fig

?????文件????????194??2009-12-21?18:40??SymofTurboQPSK\AWGN.m

?????文件???????1515??2009-12-21?20:20??SymofTurboQPSK\awgnonlysim.mat

?????文件???????5182??2009-12-21?22:54??SymofTurboQPSK\awgntubosim.mat

?????文件????????280??2009-12-19?15:16??SymofTurboQPSK\bin_state.m

?????文件???????7408??2009-12-22?21:44??SymofTurboQPSK\data.fig

?????文件??????25260??2009-12-29?21:16??SymofTurboQPSK\data8.fig

?????文件???????1025??2009-12-19?13:43??SymofTurboQPSK\demod_QPSK.m

?????文件???????1050??2009-12-19?15:05??SymofTurboQPSK\demultiplex.m

?????文件???????1623??2009-12-29?22:22??SymofTurboQPSK\encoderm.m

?????文件????????500??2009-12-19?14:43??SymofTurboQPSK\encode_bit.m

?????文件???????1614??2009-12-22?20:35??SymofTurboQPSK\fadingonlyqpsk.mat

?????文件???????5201??2009-12-22?21:09??SymofTurboQPSK\fadingturbosim.mat

?????文件??????81652??2010-01-06?16:07??SymofTurboQPSK\gsdisp.fig

?????文件????????165??2009-12-19?15:16??SymofTurboQPSK\int_state.m

?????文件???????8069??2009-12-22?21:49??SymofTurboQPSK\main.m

?????文件???????2691??2009-12-22?19:24??SymofTurboQPSK\mod_demod_QPSK.m

?????文件??????70726??2009-12-22?21:38??SymofTurboQPSK\QPSK.fig

?????文件???????1366??2009-12-21?15:14??SymofTurboQPSK\qpsk_mod.m

?????文件????????306??2009-12-22?20:11??SymofTurboQPSK\rayliegh_val.m

?????文件???????1398??2009-12-18?22:30??SymofTurboQPSK\reshapetoNRZ.m

?????文件???????1088??2009-12-19?15:12??SymofTurboQPSK\rsc_encode.m

?????文件??????40518??2009-12-22?21:38??SymofTurboQPSK\rsv.fig

?????文件???????1605??2009-12-22?20:20??SymofTurboQPSK\single_fading.m

?????文件???????3251??2009-12-19?21:00??SymofTurboQPSK\sova.m

?????文件???????1844??2009-12-19?15:19??SymofTurboQPSK\trellis.m

............此處省略6個文件信息