omega = -5:.01:5; a = 2; x = 1./(j*omega + a); subplot(2,1,1) plot(omega, real(x), 'r-', 'linewidth', 3) xlabel('omega') ylabel('Re[X(omega)]') subplot(2,1,2) plot(omega, imag(x), 'g-', 'linewidth', 3) xlabel('omega') ylabel('Im[X(omega)]') figure(2) subplot(2,1,1) plot(omega, abs(x), 'r-', 'linewidth', 3) xlabel('omega') ylabel('|X(omega)|') subplot(2,1,2) plot(omega, angle(x), 'g-', 'linewidth', 3) xlabel('omega') ylabel('<X(omega)') |
