TRONIX FUNDA

Code for generation of ASK using MATLAB! x=input('input binary message sequence'); N=length(x); t=0.001:0.001:N; for i=1:1:N;    m((i-1)*1000+1:i*1000)=x(i); end c1=2*sin(2*pi*5*t);  y=m.*c1;  subplot(3,1,1);  plot(t,m);  xlabel('Time');  ylabel('Amplitude');  Title('Bit sequence');  subplot(3,1,2);  plot(t,c1);  xlabel('Time');  ylabel('Amplitude');  Title('Carrier');  subplot(3,1,3);  plot(t,y);  xlabel('Time');  ylabel('Amplitude');  Title('ASK signal'); Output:[1 1 0 1 0 1 1 0 ]         

Code for generating PSK signal using MATLAB!!! x=input('input binary message sequence'); N=length(x); x(x==0)=-1; t=0.001:0.001:N; for i=1:1:N;    m((i-1)*1000+1:i*1000)=x(i); end c1=2*sin(2*pi*5*t);  y=m.*c1;  subplot(3,1,1);  plot(t,m);  xlabel('Time');  ylabel('Amplitude');  Title('Bit sequence');  subplot(3,1,2);  plot(t,c1);  xlabel('Time');  ylabel('Amplitude');  Title('Carrier');  subplot(3,1,3);  plot(t,y);  xlabel('Time');  ylabel('Amplitude');  Title('PSK signal'); Output:Input sequence [1 1 0 1 0 1 1 0]          

Code for generating FSK signal using MATLAB! x=input('input binary message sequence'); N=length(x); t=0.001:0.001:N; for i=1:1:N;    m((i-1)*1000+1:i*1000)=x(i); end f1=10; f2=5; c1=2*sin(2*pi*f1*t);  y1=m.*c1;  for j=1:N      if x(j)==1          x(j)=0;      else          x(j)=1;      end      m1((j-1)*1000+1:j*1000)=x(j);  end  c2=2*sin(2*pi*f2*t);  y2=m1.*c2;  y=y1+y2;  subplot(3,1,1);  plot(t,m);  xlabel('Time');  ylabel('Amplitude');  Title('Bit sequence');  subplot(3,1,2);  plot(t,c1);  xlabel('Time');  ylabel('Amplitude');  Title('Carrier');  subplot(3,1,3);  plot(t,y);  xlabel('Time');  ylabel('Amplitude');  Title('Fsk signal'); Output:  Input sequence [1 0 0 1 1 1 0]        

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