dsp ecg code.m

x=0.01:0.01:2;
default=input('Press 1 if u want default ecg signal else press 2:\n'); 
if(default==1)
      li=30/72;  % Your code doesnot read the ECE signal provided, so your code will be disqualified. 
    
      a_pwav=0.25;
      d_pwav=0.09;
      t_pwav=0.16;  
     
      a_qwav=0.025;
      d_qwav=0.066;
      t_qwav=0.166;
      
      a_qrswav=1.6;
      d_qrswav=0.11;
      
      a_swav=0.25;
      d_swav=0.066;
      t_swav=0.09;
      
      a_twav=0.35;
      d_twav=0.142;
      t_twav=0.2;
      
      a_uwav=0.035;
      d_uwav=0.0476;
      t_uwav=0.433;
else
    rate=input('\n\nenter the heart beat rate :');
    li=30/rate;
    
    %p wave specifications
    fprintf('\n\np wave specifications\n');
    d=input('Enter 1 for default specification else press 2: \n');
    if(d==1)
        a_pwav=0.25;
        d_pwav=0.09;
        t_pwav=0.16;
    else
       a_pwav=input('amplitude = ');
       d_pwav=input('duration = ');
       t_pwav=input('p-r interval = ');
       d=0;
    end    
    
    
    %q wave specifications
    fprintf('\n\nq wave specifications\n');
    d=input('Enter 1 for default specification else press 2: \n');
    if(d==1)
        a_qwav=0.025;
        d_qwav=0.066;
        t_qwav=0.166;
    else
       a_qwav=input('amplitude = ');
       d_qwav=input('duration = ');
       t_qwav=0.166;
       d=0;
    end    
    
    
    
    %qrs wave specifications
    fprintf('\n\nqrs wave specifications\n');
    d=input('Enter 1 for default specification else press 2: \n');
    if(d==1)
        a_qrswav=1.6;
        d_qrswav=0.11;
    else
       a_qrswav=input('amplitude = ');
       d_qrswav=input('duration = ');
       d=0;
    end    
    
    
    
    %s wave specifications
    fprintf('\n\ns wave specifications\n');
    d=input('Enter 1 for default specification else press 2: \n');
    if(d==1)
        a_swav=0.25;
        d_swav=0.066;
        t_swav=0.09;
    else
       a_swav=input('amplitude = ');
       d_swav=input('duration = ');
       t_swav=0.09;
       d=0;
    end    
    
    
    %t wave specifications
    fprintf('\n\nt wave specifications\n');
    d=input('Enter 1 for default specification else press 2: \n');
    if(d==1)
        a_twav=0.35;
        d_twav=0.142;
        t_twav=0.2;
    else
       a_twav=input('amplitude = ');
       d_twav=input('duration = ');
       t_twav=input('s-t interval = ');
       d=0;
    end    
    
    
    %u wave specifications
    fprintf('\n\nu wave specifications\n');
    d=input('Enter 1 for default specification else press 2: \n');
    if(d==1)
        a_uwav=0.035;
        d_uwav=0.0476;
        t_uwav=0.433;
    else
       a_uwav=input('amplitude = ');
       d_uwav=input('duration = ');
       t_uwav=0.433;
       d=0;
    end    
    
       
    
end
 pwav=p_wav(x,a_pwav,d_pwav,t_pwav,li);
 
 %qwav output
 qwav=q_wav(x,a_qwav,d_qwav,t_qwav,li);
    
 %qrswav output
 qrswav=qrs_wav(x,a_qrswav,d_qrswav,li);
 %swav output
 swav=s_wav(x,a_swav,d_swav,t_swav,li);
 
 %twav output
 twav=t_wav(x,a_twav,d_twav,t_twav,li);
 
 %uwav output
 uwav=u_wav(x,a_uwav,d_uwav,t_uwav,li);
 %ecg output
 ecg=pwav+qrswav+twav+swav+qwav+uwav;
 figure(1)
 plot(x,ecg);