From a3af51613c9d89581b2c9442fcbb133ee84c5117 Mon Sep 17 00:00:00 2001
From: YE Victor <victor.ye@imt-atlantique.net>
Date: Tue, 27 May 2025 16:28:51 +0000
Subject: [PATCH] Upload New File
---
src/SAR3Q19.m | 25 +++++++++++++++++++++++++
1 file changed, 25 insertions(+)
create mode 100644 src/SAR3Q19.m
diff --git a/src/SAR3Q19.m b/src/SAR3Q19.m
new file mode 100644
index 0000000..eb22358
--- /dev/null
+++ b/src/SAR3Q19.m
@@ -0,0 +1,25 @@
+clear; clc;
+
+Fe = 44100;
+K = 10;
+N = 10000;
+
+% Def de h_r(k)
+hr = ones(1, K) / K;
+
+% FFT de h_r
+H = fft(hr, N);
+H_mag = abs(H(1:N/2)) / max(abs(H)); % On normalise
+H_db = 20 * log10(H_mag + eps); % dB
+
+% Axe des fréquences en Hz
+f = linspace(0, Fe/2, N/2);
+
+% Affichage
+figure;
+plot(f, H_db, 'b', 'LineWidth', 1.5);
+xlabel('Fréquence (Hz)');
+ylabel('|H_r(f)| en dB');
+title('Réponse en fréquence du filtre de retour h_r(k)');
+grid on;
+ylim([-60 5]);
--
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