diff --git a/signal/matlab/Intro_Elec_Analogique_AOP.pdf b/signal/matlab/Intro_Elec_Analogique_AOP.pdf
new file mode 100644
index 0000000..9d47b53
Binary files /dev/null and b/signal/matlab/Intro_Elec_Analogique_AOP.pdf differ
diff --git a/signal/matlab/L32.m b/signal/matlab/L32.m
new file mode 100644
index 0000000..417cf33
--- /dev/null
+++ b/signal/matlab/L32.m
@@ -0,0 +1,33 @@
+clc;
+clear all;
+close all;
+
+F1 = 85005.9;
+F2= 90000;
+F3 = 94986.8;
+F4 = 100000;
+F5 = 115015.9;
+F6 = 120000;
+Fe = 320000;
+F = 5000;
+
+Te = 1/Fe;
+T = 1/F ;
+M = T/Te;
+Tsim = T-Te;
+Res = sim('LG');
+
+plot(Res.Sinus_Continu);
+hold on;
+plot(Res.Sinus_Echanti,'o');
+
+%figure
+f = fft(Res.Sinus_Echanti.data, M)/M;
+%stem(linspace(0, M-1, M), abs(f),'o');
+figure
+stem(linspace(0, M-1, M) / (M*Te), abs(f),'o');
+
+figure
+bode(tf(1,[1.7483E-23 7.6663E-18 1.162E-11 3.0332E-6 1]))
+
+
diff --git a/signal/matlab/LG.slx b/signal/matlab/LG.slx
new file mode 100644
index 0000000..2a3348e
Binary files /dev/null and b/signal/matlab/LG.slx differ
diff --git a/signal/matlab/SimulDFT.slx b/signal/matlab/SimulDFT.slx
new file mode 100644
index 0000000..1687828
Binary files /dev/null and b/signal/matlab/SimulDFT.slx differ
diff --git a/signal/matlab/carre.slx b/signal/matlab/carre.slx
new file mode 100644
index 0000000..1ff6b3d
Binary files /dev/null and b/signal/matlab/carre.slx differ
diff --git a/signal/matlab/carre32.m b/signal/matlab/carre32.m
new file mode 100644
index 0000000..5f27e4c
--- /dev/null
+++ b/signal/matlab/carre32.m
@@ -0,0 +1,27 @@
+clc;
+clear all;
+close all;
+
+F1 = 85000;
+Fe = 320000;
+F = 5000;
+
+Te = 1/Fe;
+T = 1/F ;
+M = T/Te;
+Tsim = T-Te;
+Res = sim('carre');
+
+plot(Res.Carre_Continu,'b');
+hold on;
+plot(Res.Signal_Filtre,'o');
+
+%figure
+f = fft(Res.Signal_Filtre.data, M);
+%stem(linspace(0, M-1, M), abs(f),'o');
+figure
+stem(linspace(0, M-1, M) / (M*Te), abs(f),'o');
+
+figure
+bode(tf(1,[1.7483E-23 7.6663E-18 1.162E-11 3.0332E-6 1]))
+
diff --git a/signal/matlab/scriptDFT.m b/signal/matlab/scriptDFT.m
index 3f15a93..ae2c401 100644
--- a/signal/matlab/scriptDFT.m
+++ b/signal/matlab/scriptDFT.m
@@ -1,31 +1,33 @@
+clc;
 clear all;
 close all;
 
-%% Paramètres
-T = 0.25;               % Fenêtre d'observation
-M=32;                   % Nombre d'échantillons dans la fenêtre
-
-
-%% Paramètres déduits
-Te = T/M;               % Période d'échantillonnage
-Tsim = T-Te;            % Instant final de simulation
-Fsin = 4 ;
-%% Calculs préliminaires 
-
-
-%% Lancement de simulink
-out=sim("simDFT")
-
-%% Visualisations temporelle
-plot(out.sin_continu,'.-');
-hold on;
-plot(out.sin_echanti,'o');
-grid on;
-
-%% Calcul DFT
-
-
-%% visualisation DFT
-figure();
+T = 1/5000;
+M = 64;
+Te = T/M;
+Tsim = T-Te;
+Fe = 1/Te;
+
+%%Fsin = 4;
+%%Fsin = 60;
+%%Fsin = 64; shannon < Fe/2
+%%Fsin = 100;
+Fsin=85000;
+Res = sim('SimulDFT');
+
+plot(Res.Sinus_Continu);
+hold on; % permet de superposer la courbe à suivre
+plot(Res.Sinus_Echanti,'o');
+
+%figure
+f = fft(Res.Sinus_Echanti.data, M)/M;
+%stem(linspace(0, M-1, M), abs(f),'o');
+figure
+stem(linspace(0, M-1, M) / (M*Te), abs(f),'o');
+
+%%figure
+%%plot(linspace(0, M-1, M) / (M*Te/100), abs(fft(Res.Sinus_Continu.data, M)/M));
+%%hold on;
+%%plot(linspace(0, M-1, M) / (M*Te), abs(fft(Res.Sinus_Echanti.data, M)/M),'o');