Matlab瀹為獙5 - 鐧惧害鏂囧簱

棣栭〉

搴撳簱AI

骞垮満

鍘嗗彶

鏀惰棌

浜戠洏

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function

 [num10signal]=call10number(phonenumber),

 

N=204;

 

n=0:N-1;

 

fs=8192;

 

F_c=[697;770;852;941]*ones(1,3);

 

F_c=F_c';F_c=F_c(:)';

 

F_r=[1209;1336;1477]*ones(1,4);

 

F_r=F_r(:)';

 

F=2*pi/fs*[F_c;F_r];

 

 

 

num10signal=[];

 

for

 i=1:1:size(phonenumber,2),

 

    signal=[];

 

     

switch

 phonenumber(1,i),

 

        

case

 {

'1'

,

'2'

,

'3'

,

'4'

,

'5'

,

'6'

,

'7'

,

'8'

,

'9'

}

 

            signal=cos(F(:,str2num(phonenumber(1,i)))*n);

 

            signal=sum(signal);

 

            signal=[signal zeros(size(signal))];

 

        

case

 

'*'