%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
function[s]?=?ask2（dfbfcfsAc）
%clear;d=randint（1102）;fb=500;fc=2000;fs=12000;Ac=1;
N=length（d）;M=fs/fb;tb=1/fb;tc=1/fc;Nc=M*tc/tb;
for?j?=?1:N
	for?i?=?1:M
		s（（j-1）*M+i）=Ac*cos（2*pi*（i-1）/Nc）*d（j）;
????end
end
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%

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

?????文件????????373??2007-05-31?12:41??moulation?classification\moulation?classification\classification?rate?simulink\ask2.m

?????文件????????310??2007-05-31?12:39??moulation?classification\moulation?classification\classification?rate?simulink\ask4.m

?????文件????????239??2007-05-31?12:43??moulation?classification\moulation?classification\classification?rate?simulink\ask8.m

?????文件?????????50??2007-06-02?12:36??moulation?classification\moulation?classification\classification?rate?simulink\A_func.m

?????文件????????111??2007-06-02?12:36??moulation?classification\moulation?classification\classification?rate?simulink\dif.m

?????文件?????????65??2007-06-02?12:35??moulation?classification\moulation?classification\classification?rate?simulink\f0_func.m

?????文件????????461??2007-06-02?12:35??moulation?classification\moulation?classification\classification?rate?simulink\fai0_func.m

?????文件????????532??2007-06-14?10:30??moulation?classification\moulation?classification\classification?rate?simulink\fsk2.m

?????文件????????661??2007-06-01?11:23??moulation?classification\moulation?classification\classification?rate?simulink\fsk4.m

?????文件???????1011??2007-05-28?17:24??moulation?classification\moulation?classification\classification?rate?simulink\fsk8.m

?????文件?????????45??2007-10-21?09:30??moulation?classification\moulation?classification\classification?rate?simulink\intrduction.txt

?????文件???????1097??2007-06-02?12:36??moulation?classification\moulation?classification\classification?rate?simulink\judge.m

?????文件???????2667??2007-10-17?10:41??moulation?classification\moulation?classification\classification?rate?simulink\main.m

?????文件?????????81??2007-06-02?12:36??moulation?classification\moulation?classification\classification?rate?simulink\M_func.m

?????文件????????321??2007-05-31?12:50??moulation?classification\moulation?classification\classification?rate?simulink\psk2.m

?????文件????????516??2007-06-01?11:28??moulation?classification\moulation?classification\classification?rate?simulink\psk4.m

?????文件????????916??2007-05-31?12:54??moulation?classification\moulation?classification\classification?rate?simulink\psk8.m

?????文件???????1824??2007-05-31?14:12??moulation?classification\moulation?classification\classification?rate?simulink\qam16.m

?????文件?????236278??2007-10-17?11:01??moulation?classification\moulation?classification\classification?rate?simulink\right?recognition??rate.bmp

?????文件????????325??2007-10-21?09:37??moulation?classification\moulation?classification\introduction.txt

?????文件????????373??2007-05-31?12:41??moulation?classification\moulation?classification\key?feature?simulink\ask2.m

?????文件????????310??2007-05-31?12:39??moulation?classification\moulation?classification\key?feature?simulink\ask4.m

?????文件????????239??2007-05-31?12:43??moulation?classification\moulation?classification\key?feature?simulink\ask8.m

?????文件?????????50??2007-06-02?12:36??moulation?classification\moulation?classification\key?feature?simulink\A_func.m

?????文件????????111??2007-06-02?12:36??moulation?classification\moulation?classification\key?feature?simulink\dif.m

?????文件?????????65??2007-06-02?12:35??moulation?classification\moulation?classification\key?feature?simulink\f0_func.m

?????文件????????461??2007-06-02?12:35??moulation?classification\moulation?classification\key?feature?simulink\fai0_func.m

?????文件????????462??2007-05-30?18:16??moulation?classification\moulation?classification\key?feature?simulink\fig.m

?????文件????????532??2007-06-14?10:30??moulation?classification\moulation?classification\key?feature?simulink\fsk2.m

?????文件????????661??2007-06-01?11:23??moulation?classification\moulation?classification\key?feature?simulink\fsk4.m

............此處省略40個文件信息