From bafb43e8f0651fa270c6a43a3777f140e5366c63 Mon Sep 17 00:00:00 2001
From: YE Victor <victor.ye@imt-atlantique.net>
Date: Tue, 27 May 2025 16:17:22 +0000
Subject: [PATCH] Upload New File
---
src/SAR2Q1.m | 32 ++++++++++++++++++++++++++++++++
1 file changed, 32 insertions(+)
create mode 100644 src/SAR2Q1.m
diff --git a/src/SAR2Q1.m b/src/SAR2Q1.m
new file mode 100644
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+++ b/src/SAR2Q1.m
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+% Paramètres
+T = 1; % période du signal (s)
+Fe = 1000; % fréquence d'échantillonnage (Hz)
+Te = 1/Fe;
+t = 0:Te:5*T-Te; % 5 périodes
+N = length(t);
+
+% Signal carré
+carre = square(2*pi*t/T); % amplitude ±1
+
+% Signal dent de scie
+scie = sawtooth(2*pi*t/T); % amplitude ±1
+
+%FFT et centrage
+Carre_FFT = fftshift(fft(carre));
+Scie_FFT = fftshift(fft(scie));
+f = (-N/2:N/2-1)*(Fe/N);
+
+% On met l'amplitudes en dB
+Carre_dB = 20*log10(abs(Carre_FFT)/N + eps);
+Scie_dB = 20*log10(abs(Scie_FFT)/N + eps);
+
+% Affichage du spectre du signal carré
+figure;
+plot(f, Carre_dB);
+title('Spectre du signal carré'); xlabel('Fréquence (Hz)'); ylabel('Amplitude (dB)'); grid on;
+
+%Affichage du spectre du signal dent de scie
+figure;
+plot(f, Scie_dB);
+title('Spectre du signal dent de scie'); xlabel('Fréquence (Hz)'); ylabel('Amplitude (dB)');
+grid on;
\ No newline at end of file
--
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