From cb3fe7eda0a1a2616004baf1430255e223fe4f38 Mon Sep 17 00:00:00 2001
From: YE Victor <victor.ye@imt-atlantique.net>
Date: Tue, 27 May 2025 16:20:23 +0000
Subject: [PATCH] Upload New File

---
 SAR3Q4.m | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)
 create mode 100644 SAR3Q4.m

diff --git a/SAR3Q4.m b/SAR3Q4.m
new file mode 100644
index 0000000..56501dc
--- /dev/null
+++ b/SAR3Q4.m
@@ -0,0 +1,19 @@
+load('signal_excitation.mat');  % xe1, xe2, Fe
+x = xe1;                         % On choisit xe1
+x = x ;             % Normalisation
+
+load('empreinte_ac');            % fe
+
+ys = simule_piece(x, fe);        % Convolution avec la vraie empreinte
+
+% Corrélation
+[h_est, lags] = xcorr(ys, x, 'none');
+t = lags / fe; 
+
+% Affichage amplitude réelle
+figure;
+plot(t, h_est);
+xlabel('Temps (s)');
+ylabel('Amplitude (V²)');
+title('Réponse impulsionnelle estimée de la pièce (non normalisée)');
+grid on;
-- 
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