Recall system from previous DT system below, • Apply DT pulse input x[n] = u[n] - u[n - 4] to the system. – Use time sequence n from 0 to 19. • Use SIMULINK to build DT system and plot, x[n] (input), y[n] (output), w. r.t. time sequence n. Recall system from previous DT system below, • Apply DT pulse input x[n] = u[n] - u[n - 4] to the system. – Use time sequence n from 0 to 19. • Use SIMULINK to build DT system and plot, x[n] (input), y[n] (output), w. r.t. time sequence n.