function?x=decision_qpsk（y）
[row?col]=size（y）;
for?i=1:1:row
????d0=abs（y（i））;
????d1=abs（y（i）-1）;
????d_1=abs（y（i）+1）;
????min_d=min（[d0?d1?d_1]）;
????if（min_d==d0）
????????x（i1）=0;
????elseif（min_d==d1）
????????x（i1）=1;
????else
????????x（i1）=-1;
????end
end
end
????
????

?屬性????????????大小?????日期????時(shí)間???名稱(chēng)
-----------?---------??----------?-----??----
?????目錄???????????0??2015-06-04?10:35??MIMO源程序\
?????文件????????2267??2015-01-17?22:48??MIMO源程序\ML.m
?????文件????????1694??2015-06-04?10:35??MIMO源程序\ML.m.baiduyun.uploading.cfg
?????文件????????2029??2015-01-17?22:48??MIMO源程序\MMSE.m
?????文件????????1694??2015-06-04?10:35??MIMO源程序\MMSE.m.baiduyun.uploading.cfg
?????文件?????????359??2015-01-17?22:48??MIMO源程序\QPSK_demod.m
?????文件????????1694??2015-06-04?10:35??MIMO源程序\QPSK_demod.m.baiduyun.uploading.cfg
?????文件?????????347??2015-01-17?22:48??MIMO源程序\QPSK_mod.m
?????文件????????1694??2015-06-04?10:35??MIMO源程序\QPSK_mod.m.baiduyun.uploading.cfg
?????文件????????2004??2015-01-17?22:48??MIMO源程序\ZF.m
?????文件????????1694??2015-06-04?10:35??MIMO源程序\ZF.m.baiduyun.uploading.cfg
?????文件?????????294??2015-01-17?22:48??MIMO源程序\decision_qpsk.m
?????文件????????1694??2015-06-04?10:35??MIMO源程序\decision_qpsk.m.baiduyun.uploading.cfg