clear?all;
close?all;

[xfs]?=?wavread（‘test.wav‘）;
t=（1:length（x））/fs;
x1?=?x./max（abs（x））;
sxx?=?floor（?x1?*?4096?）;
y?=?pcm_encode（sxx）;

Qt?=?my_qammod（y）;

Qr?=?awgn（Qt20）;

yy=?my_qamdemod（Qr）;


xx?=?pcm_decode（ymax（abs（x）））;
wavplay（yy）;
%subplot（211）
%plot（tx）;
%subplot（212）
%plot（tyy）;

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

?????文件??????25221??2008-07-06?22:53??PCM_QAM\data.mat

?????文件????????301??2008-07-06?16:34??PCM_QAM\main.m

?????文件????????527??2008-07-04?17:31??PCM_QAM\my_dec2bin.m

?????文件?????????92??2008-07-04?18:24??PCM_QAM\my_qamdemod.m

?????文件????????246??2008-07-05?15:33??PCM_QAM\my_qammod.m

?????文件????????644??2008-05-11?18:48??PCM_QAM\pcm_decode.m

?????文件???????1286??2008-05-11?18:49??PCM_QAM\pcm_encode.m

?????文件???????4532??2008-07-06?22:46??PCM_QAM\test.fig

?????文件???????8962??2008-07-06?22:52??PCM_QAM\test.m

?????文件???????2774??2008-07-06?18:23??PCM_QAM\test.wav

?????文件?????599818??2008-05-11?22:25??PCM_QAM\test1.wav

?????目錄??????????0??2009-04-23?16:34??PCM_QAM

-----------?---------??----------?-----??----

???????????????644403????????????????????12