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ajout matlab rapport

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Marie Brunetto 2023-03-21 16:00:50 +01:00
parent 67446395af
commit 44e7a87218
4 changed files with 100 additions and 0 deletions
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49
signal/matlab/Matlab rapport/Lasers.m Normal file
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close all;
Flasers = [85.005E3,90E3,95E3,100E3,115E3,120E3];
Fsin = Flasers;
deltaF = 5E3;
T = 1/deltaF;
Fe = 320E3;%kHz
Te = 1/Fe;
M= Fe*T;
Tsim = T-Te;
frequence = deltaF*(0:1:M-1);
Res=sim('SimuliDFT');
figure
plot(Res.temps,Res.Sinus_Continu);
hold on;
plot(Res.temps_Echanti,Res.Sinus_Echanti, 'o');
sig= Res.Sinus_Echanti;
%sig(1:20,4)=0;
echantFft = fft(sig,M);
figure
stem(frequence,abs(echantFft)/M);
%carreeee-----------------------
% figure(1)
% plot(Res.temps,Res.Carre_Continu1);
% hold on;
% plot(Res.temps,Res.Sinus_Carre_Continu);
% hold on;
% plot(Res.temps_Echanti,Res.Sinus_Carre_Echanti, 'o');
% echantFft_Carre = fft(Res.Sinus_Carre_Echanti,M);
%
%
%
% figure(2)
% stem(frequence,abs(echantFft_Carre)/M);
%
% Fp = tf(1,[1.7483*10^(-23), 7.6663*10^(-18), 1.162*10^(-11), 3.0332*10^(-6),1]);
% figure(3)
% bode(Fp);

30
signal/matlab/Matlab rapport/ScriptDFT.m Normal file
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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);

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signal/matlab/Matlab rapport/SimuliDFT.slx Normal file
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21
signal/matlab/Matlab rapport/valeurs.m Normal file
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coef11 = 8.976e-12;
coef12 = 2.783e-6;
coef21 = 1.948e-12;
coef22 = 2.502e-7;
om1 = sqrt(1/coef11);
f1 = om1/(2*pi);
m1 = coef12*om1/2;
om2 = sqrt(1/coef21);
f2 = om2/(2*pi);
m2 = coef22*om2/2;
L1 = 220e-6;
L2 = 1e-3;
C1 = 1/(om1^2*L1);
C2 = 1/(om2^2*L2);
R1 = 2*m1/(om1*C1);
R2 = 2*m2/(om2*C2);