clear;
%?%%?bpsk理論曲線
%?for?i=1:1:101
%?????snr（i）=（i-1）/10;
%?????ber（i）=0.5*erfc（10^（snr（i）/20））;
%?end
%?figure;
%?semilogy（snrber）;
%?grid?on;
%?snr_test=[012345678910];
%?practical=[0.07850.05660.03730.02280.01250.00590.00248.05e-41.868e-43.25e-54.1e-6];
%?hold?on;
%?semilogy（snr_testpractical）;

%%?16QAM理論曲線
%?ber16=[0.02787132784515030.01696673436876040.009247213741474420.004390336087352110.001754150617892730.0005647061064817440.0001386586888126192.42337854663159e-052.76320800168778e-061.84185551109448e-076.25020082774196e-09];
%?snr16=[678910111213141516];???%bertool得出的數據
%?ber4=[0.002388290780932810.0007726748153784440.0001909077740759933.36272284196176e-053.87210821552205e-062.61306795357521e-079.00601035062878e-091.33293101753005e-106.81018912878076e-13];
snr_test=[67891011121314];
ber_test=[0.0276050.01670250.00915750.004440.0018455.4875e-41.4275e-42.425e-52.3e-6];
for?i=1:1:101
????snr（i）=（i+59）/10;
????Q16（i）=0.75*erfc（2*10^（snr（i）/20-0.5））;?????%16QAM
????Q4（i）=0.5*erfc（10^（snr（i）/20））;?????????????????%4QAM
????ser4（i）=1-（1-Q4（i））^2;
????ser16（i）=1-（1-Q16（i））^2;
end
figure;
semilogy（snrser16/4）;
grid?on;
hold?on;
semilogy（snr_testber_test）;

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????文件????????1287??2018-10-24?09:30??ber_theroy.m
?????文件?????????223??2018-10-11?20:06??bpsk.m
?????文件?????????169??2018-10-23?10:38??de_bpsk.m
?????文件????????1104??2018-10-24?21:32??de_QAM16.m
?????文件?????????479??2018-10-24?20:53??de_QAM_soft.m
?????文件????????1289??2018-10-23?19:01??digital_communication_bpsk.m
?????文件????????2211??2018-10-24?21:11??digital_communication_QAM.m
?????文件?????????338??2018-10-23?11:23??panjue.m
?????文件????????1121??2018-10-23?11:14??QAM16.m