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clc;
close();
//page no 235
//prob no. 7.9
delta_f=8000; //Hz
fm=100; //Hz
B=delta_f/fm; //
disp(B,'The modulation index is');
disp('(For B>=50 , the signal is VWBFM)');
Bt=2*delta_f;
mprintf('The transmission bandwidth Bt= %i Hz ',Bt)
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