From eff6c9d24eab1172060901f9a8d61f98ac5204f4 Mon Sep 17 00:00:00 2001
From: rainydaysavings <eliseuamaro@protonmail.com>
Date: Thu, 12 Nov 2020 14:46:51 +0000
Subject: [PATCH] [2] Ex1 and 2 terminated.

---
 TP2/DiogoEliseu_TP2_1.m | 12 ++++++++++++
 TP2/DiogoEliseu_TP2_2.m | 19 +++++++++++++++++++
 2 files changed, 31 insertions(+)
 create mode 100644 TP2/DiogoEliseu_TP2_1.m
 create mode 100644 TP2/DiogoEliseu_TP2_2.m

diff --git a/TP2/DiogoEliseu_TP2_1.m b/TP2/DiogoEliseu_TP2_1.m
new file mode 100644
index 0000000..22bdeb5
--- /dev/null
+++ b/TP2/DiogoEliseu_TP2_1.m
@@ -0,0 +1,12 @@
+%% Exercício 1
+
+p = [1.8, 0.5, -0.3];
+d = [1, 0.5];
+w = 0:(4*pi/1023):2*pi;
+y2a = freqz(p, d, w);
+X = freqz(p, d, w);
+
+subplot(2,1,1),plot(w, abs(X))
+xlabel('w'),title('Magnitude')
+subplot(2,1,2),plot(w, angle(X))
+xlabel('w'),title('Phase')
\ No newline at end of file
diff --git a/TP2/DiogoEliseu_TP2_2.m b/TP2/DiogoEliseu_TP2_2.m
new file mode 100644
index 0000000..352a413
--- /dev/null
+++ b/TP2/DiogoEliseu_TP2_2.m
@@ -0,0 +1,19 @@
+%% Exercício 2
+
+w1 = (0:15) * 2 * pi / 16;
+w2 = (0:1023) * 2 * pi / 1024;
+x1 = ones(1,16);
+x2 = cos(3 * pi * (0:15) / 8);
+
+DFT1 = fft(x1);
+DTFT1 = fft(x1, 1024);
+
+DFT2 = fft(x2);
+DTFT2 = fft(x2, 1024);
+
+subplot(2,1,1)
+plot(w1, abs(DFT1), w2, abs(DTFT1))
+xlabel('cenas'), ylabel('Modulo'), title('DFT / DTFT de x1')
+subplot(2,1,2)
+plot(w1, abs(DFT2), w2, abs(DTFT2))
+xlabel('cenas'), ylabel('Modulo'), title('DFT / DTFT de x2')
\ No newline at end of file