forked from acco/chti23
30 lines
No EOL
474 B
Matlab
30 lines
No EOL
474 B
Matlab
close all;
|
|
clear all;
|
|
Fsin = 14; % pour une fréquence de 4Hz
|
|
T = (1/Fsin);%0.25
|
|
M=32;
|
|
Te = T/M;
|
|
Tsim = T-Te;
|
|
|
|
|
|
Res=sim('SimuliDFT');
|
|
|
|
%Res.Sinus_Continu=Res.Sinus_Continu/100
|
|
|
|
X1=linspace(0,Tsim,M);
|
|
figure
|
|
plot(Res.temps,Res.Sinus_Continu);
|
|
hold on; % permet de superposer la courbe à suivre
|
|
plot(X1,Res.Sinus_Echanti, 'o');
|
|
|
|
echantFft = fft(Res.Sinus_Echanti,M);
|
|
|
|
X2=linspace(0,M-1,M);
|
|
|
|
%figure
|
|
%plot(X2,abs(echantFft)/M,'o');
|
|
|
|
X3=X2/T;
|
|
|
|
figure
|
|
stem(X3,abs(echantFft)/M); |