5th semester files

5th-Semester-Fall-2023/Signals-and-Systems/Labs/Lab-02/Lab2.m

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+% Signal Generation 1
+% t = (-25:0.01:25)';
+% y = ustep(t,20) - ustep(t,-20);
+
+% Signal Generation 2
+% t = (0:0.01:30)';
+% y = squarewave(t, 10);
+
+% Signal Generation 3
+% t = (0:0.0002:0.3)';
+% y = 2*sin(250*pi*t - pi/5);
+
+% Chirps
+%t = (0:0.05:40)';
+%A = 1;
+%omega0 = 2;
+
+% Chirps 1
+% s = t.*t./4;
+
+% Chirps 2
+% s = -2*sin(t);
+
+% y = A*cos(omega0 * t + s);
+
+% Chirps 3
+
+% Beating/Pulsation
+t = (0:0.1:200)';
+NP = 51;
+dh = 2/NP;
+f = (159:dh:161)';
+A = 10;
+sum = zeros(length(t));
+for i = 0:NP
+  sum = sum + 10*cos(2*pi*f(1)*t);
+end
+y = sum;
+
+% Common
+plot(t, y, "linewidth",5);