23 lines
389 B
Matlab
23 lines
389 B
Matlab
% 4a
|
|
% % Define the signal
|
|
% n = 0:50;
|
|
% a = pi/4;
|
|
% a^2
|
|
% x = 5*cos(a^2 * n).*heaviside(n);
|
|
%
|
|
% % Plot
|
|
% stem(n, x);
|
|
% xlabel('n');
|
|
% ylabel('x(n)');
|
|
% title('Signal x(n) = 5cos(\pi^2n/16)u(n)');
|
|
% 4b
|
|
% Define the signal
|
|
A = 5;
|
|
b = (1 + 1j) / 2;
|
|
x = A * abs(b).^n .* heaviside(n);
|
|
|
|
% Plot
|
|
stem(n, x);
|
|
xlabel('n');
|
|
ylabel('x(n)');
|
|
title('Signal x(n) = 5|b|^n u(n)'); |