clear;
clc
data_len=100;%碼元個數
num_sample=100;%每個碼元的抽樣點數
Tb=0.01;%碼元寬度
fc=2/Tb;??%載頻
Rb=100;
fs=Rb*num_sample;?%采樣頻率
dt=1/fs;%時間分辨率
t=0:dt:data_len*Tb-dt;
data=sign（randn（1data_len））;%產生均值為0，方差為1的1*N的高斯隨機矩陣，并取它們的符號
gt=ones（1num_sample）;%一個碼元時間的抽樣點數

%MSK調制

D=[];
for?i=1:data_len
?????D=[Ddata（i）*gt];
end???

%求相位常數fai
fai=zeros（1data_len）;?????????????
fai（1）=0;%??將初始相位定為0
for?k=2:data_len?
????if（D（k）==D（k-1））
????????fai（k）=fai（k-1）;
????else
????????fai（k）=fai（k-1）+k*pi;
?????end
end
for?i=1:data_len*num_sample
????Fai（i）=fai（（（i-1）-mod（（i-1）num_sample））/num_sample+1）;
end

%求頻率
for?i=1:data_len?
????if（D（i）==1）
????????f（i）=fc+1/4/Tb;
????else?f（i）=fc-1/4/Tb;
????end
end
for?i=1:data_len*num_sample
????F（i）=f（（（i-1）-mod（（i-1）num_sample））/num_sample+1）;
end
%?W=cos（2*pi*F.*t+Fai）;????
for?i=1:data_len*num_sample
signal_out（i）=cos（2*pi*F（i）.*t（i）+Fai（i））;?%MSK表達式
end

plot（tsignal_out‘k‘）;
axis（[0?0.1?-2?2]）??%僅僅顯示十個碼元
title（‘MSK信號‘）;
grid?on




????
??

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

?????文件???????6820??2013-05-10?15:30??無用2\mskditongtiaozhijietiao.m

?????文件???????1832??2013-05-04?10:05??無用2\mskpuguji.m

?????文件???????1130??2013-04-23?23:53??mskxiangweitiaozhi.m

?????文件???????2599??2013-05-01?20:28??Untitled2.m

?????文件???????2362??2013-05-01?20:30??Untitled3.m

?????文件???????2518??2013-05-01?22:56??Untitled5.m

?????文件???????1764??2013-05-03?16:00??xiangweitiaozhiyupinpu.m

?????文件????????186??2008-05-05?17:07??1754530MSK\MSK\fftseq.m

?????文件???????5901??2008-05-06?17:25??1754530MSK\MSK\msk.asv

?????文件???????6048??2008-05-06?17:32??1754530MSK\MSK\msk.m

?????文件????????186??2007-10-16?18:31??1754530MSK\MSK\mskplot.m

?????文件????????459??2007-10-15?09:01??1754530MSK\MSK\mymsk.m

?????文件????????874??2010-05-22?21:05??1882366MSK-a-GMSK\MSK?&?GMSK\GMSK.asv

?????文件???????1640??2010-05-22?23:23??1882366MSK-a-GMSK\MSK?&?GMSK\GMSK.m

?????文件??????????0??2010-05-20?14:11??1882366MSK-a-GMSK\MSK?&?GMSK\Msk

?????文件??????????0??2010-05-21?03:09??1882366MSK-a-GMSK\MSK?&?GMSK\MSK?&?OQPSK

?????文件??????????0??2010-05-21?16:53??1882366MSK-a-GMSK\MSK?&?GMSK\MSK?and?OQPSK

?????文件???????2750??2010-05-21?17:11??1882366MSK-a-GMSK\MSK?&?GMSK\MSK?and?OQPSK.asv

?????文件???????1846??2010-05-22?20:50??1882366MSK-a-GMSK\MSK?&?GMSK\Msk.asv

?????文件???????1846??2010-05-22?20:52??1882366MSK-a-GMSK\MSK?&?GMSK\Msk.m

?????文件??????????0??2010-05-21?03:10??1882366MSK-a-GMSK\MSK?&?GMSK\MSK2

?????文件??????????0??2010-05-21?16:53??1882366MSK-a-GMSK\MSK?&?GMSK\MSK3

?????文件???????2646??2010-05-21?17:18??1882366MSK-a-GMSK\MSK?&?GMSK\MSK4.m

?????文件???????1690??2010-05-21?16:44??1882366MSK-a-GMSK\MSK?&?GMSK\OQPSK.asv

?????文件???????1648??2010-05-21?17:11??1882366MSK-a-GMSK\MSK?&?GMSK\OQPSK.m

?????文件???????1646??2010-05-23?00:57??1882366MSK-a-GMSK\MSK?&?GMSK\QPSK.asv

?????文件???????1642??2010-05-23?00:57??1882366MSK-a-GMSK\MSK?&?GMSK\QPSK.m

?????文件????????904??2008-12-20?16:02??4742255ASK-BPSK-QPSK-16QAM-64QAM-msk\ask_2.m

?????文件????????862??2008-11-05?16:13??4742255ASK-BPSK-QPSK-16QAM-64QAM-msk\ask_4.m

?????文件????????957??2008-12-20?16:03??4742255ASK-BPSK-QPSK-16QAM-64QAM-msk\fsk_2.m

............此處省略300個文件信息