... of y2 y = y1 +y2 % function [y, ny] = conv_m(x,nx,h,nh) % [y, ny] = conv_m(x,nx,h,nh) % [y, ny] = convolution result % [x,nx] = first signal % [h,nh] = second signal nyb = nx(1)+nh(1); nye ... rời rạc bậc 2 sys 1 : y 1[n] + 0. 9y 1[n-1] + 0. 8y 1[n-2] = 0.3x[n] - 0.3x[n-1] + 0.4x[n-2] sys 2 : y 2[n] + 0. 7y 2[n-1] + 0.8 5y 2[n-2] = 0. 2y 1[n] - 0. 5y 1[n-1] + 0. 3y 1[n-2] Chương ... Department – University of Information Tẹchnology stem(n ,y) ; ylabel('Amplitude'); title('Output y[ n]'); grid; subplot(3,1,2) stem(n,yd(1:41)); ylabel('Amplitude');...