%Courbe Expérimentale du filtre de la $2ème corde

%Plage de fréquence
freq = [80:2:100,101:120,122:2:156];
%on prend plus de points autour de la fréquence de coupure 

%Points expérimentaux
Gain = [31.8,33.2,36.2,40,41.6,49.8,54.6,56.6,64.2,78.4,89.6,97.6,107.2,118.8,132.4,156,176,206,245,292,366,422,440,404,350,290,244,202,177,159,140,120,96.8,84,79,68.8,63.2,58.4,54.4,50,46.8,44.4,41.6,40.8,37.6,36.2,33.4,33,32];

%Courbe + légende
plot(freq,Gain); 
title('Diagramme de Bode Expérimentale de la note A2');
xlabel('fréquence (Hertz)');ylabel('Gain (mV)');