Loading .gitignore +1 −1 Original line number Diff line number Diff line .vscode/* LAB3/~$b3+袁通+代育津+11810818+11910114.docx .DS_Store *.code-workspace LAB2/P2_10_f.asv 0 → 100644 +74 −0 Original line number Diff line number Diff line % Problem 2.10(f) load inputs/lineup.mat % For y1 ---------------------------------------- ryy1 = conv(y, flip(y)); nryy1 = -(length(y)-1):(length(y)-1); figure; plot(nryy1, ryy1); title('y[n]*y[-n]'); saveas(gcf, "plots/P2_10_f_out1_1.png"); close; %! Here N is equal to the distance of tow peak. % N: 1000 % Peak 1: 9967 % Peak 2: 3957 % alpha: 0.4938 N = 1000; alpha = 0.5; yo1 = filter(1, [1 zeros(1, N-1) alpha], y); % sound(yo1, 8192); % For y2 ---------------------------------------- ryy2 = conv(y2, flip(y2)); nryy2 = -(length(y2)-1):(length(y2)-1); figure; plot(nryy2, ryy2); title('y_2[n]*y_2[-n]'); saveas(gcf, "plots/P2_10_f_out1_2.png"); close; % N: 501 % Peak 1: 13160 % Peak 2: 6938 % alpha: 0.1 Too small, the peak is fake !!!!! for alpha = [0.1 0.2 0.3 0.4 0.5 0.6 0.7] N = 500; yo2 = filter(1, [1 zeros(1, N-1) alpha], y2); sound(yo2, 8192); end N = 500; alpha = 0.2; yo2 = filter(1, [1 zeros(1, N-1) alpha], y2); sound(yo2, 8192); % For y3 ---------------------------------------- ryy3 = conv(y3, flip(y3)); nryy3 = -(length(y3)-1):(length(y3)-1); figure; plot(nryy3, ryy3); title('y_3[n]*y_3[-n]'); saveas(gcf, "plots/P2_10_f_out1_3.png"); close; % N1: 751 % alpha1: 0.4 % N2: 2252 % alpha2: 0.28 % Peak 1: 14010 % Peak 2: 4884 % Peak 3: 3597 N = 751; N1 = 2252; alpha = 0.5; alpha1 = 0.28; b = [1 zeros(1, N-1) alpha zeros(1, N1-1)] + [1 zeros(1, N1-1) alpha1 zeros(1, N-1)]; yo3 = filter(1, b, y3); sound(yo3, 8192); No newline at end of file LAB2/P2_10_f.m +13 −0 Original line number Diff line number Diff line Loading @@ -46,10 +46,17 @@ x2=(-b2+d2^0.5)/(2*a2); % N: 501 % Peak 1: 13160 % Peak 2: 6938 <<<<<<< Updated upstream % alpha: 0.7 N = 501; yo2 = filter(1, [1 zeros(1, N-1) x2], y2); ======= % alpha: 0.1 Too small, the peak is fake !!!!! N = 500; alpha = 0.1; yo2 = filter(1, [1 zeros(1, N-1) alpha], y2); >>>>>>> Stashed changes sound(yo2, 8192); % For y3 ---------------------------------------- Loading @@ -72,8 +79,14 @@ saveas(gcf, "plots/P2_10_f_out1_3.png"); N = 751; N1 = 2252; <<<<<<< Updated upstream alpha1 = 0.75; alpha2 = 0.6; b = [1 zeros(1, 750) alpha1 zeros(1, 1500) alpha2] ; ======= alpha = 0.5; alpha1 = 0.28; b = [1 zeros(1, N-1) alpha zeros(1, N1-1)] + [1 zeros(1, N1-1) alpha1 zeros(1, N-1)]; >>>>>>> Stashed changes yo3 = filter(1, b, y3); sound(yo3, 8192); No newline at end of file Loading
.gitignore +1 −1 Original line number Diff line number Diff line .vscode/* LAB3/~$b3+袁通+代育津+11810818+11910114.docx .DS_Store *.code-workspace
LAB2/P2_10_f.asv 0 → 100644 +74 −0 Original line number Diff line number Diff line % Problem 2.10(f) load inputs/lineup.mat % For y1 ---------------------------------------- ryy1 = conv(y, flip(y)); nryy1 = -(length(y)-1):(length(y)-1); figure; plot(nryy1, ryy1); title('y[n]*y[-n]'); saveas(gcf, "plots/P2_10_f_out1_1.png"); close; %! Here N is equal to the distance of tow peak. % N: 1000 % Peak 1: 9967 % Peak 2: 3957 % alpha: 0.4938 N = 1000; alpha = 0.5; yo1 = filter(1, [1 zeros(1, N-1) alpha], y); % sound(yo1, 8192); % For y2 ---------------------------------------- ryy2 = conv(y2, flip(y2)); nryy2 = -(length(y2)-1):(length(y2)-1); figure; plot(nryy2, ryy2); title('y_2[n]*y_2[-n]'); saveas(gcf, "plots/P2_10_f_out1_2.png"); close; % N: 501 % Peak 1: 13160 % Peak 2: 6938 % alpha: 0.1 Too small, the peak is fake !!!!! for alpha = [0.1 0.2 0.3 0.4 0.5 0.6 0.7] N = 500; yo2 = filter(1, [1 zeros(1, N-1) alpha], y2); sound(yo2, 8192); end N = 500; alpha = 0.2; yo2 = filter(1, [1 zeros(1, N-1) alpha], y2); sound(yo2, 8192); % For y3 ---------------------------------------- ryy3 = conv(y3, flip(y3)); nryy3 = -(length(y3)-1):(length(y3)-1); figure; plot(nryy3, ryy3); title('y_3[n]*y_3[-n]'); saveas(gcf, "plots/P2_10_f_out1_3.png"); close; % N1: 751 % alpha1: 0.4 % N2: 2252 % alpha2: 0.28 % Peak 1: 14010 % Peak 2: 4884 % Peak 3: 3597 N = 751; N1 = 2252; alpha = 0.5; alpha1 = 0.28; b = [1 zeros(1, N-1) alpha zeros(1, N1-1)] + [1 zeros(1, N1-1) alpha1 zeros(1, N-1)]; yo3 = filter(1, b, y3); sound(yo3, 8192); No newline at end of file
LAB2/P2_10_f.m +13 −0 Original line number Diff line number Diff line Loading @@ -46,10 +46,17 @@ x2=(-b2+d2^0.5)/(2*a2); % N: 501 % Peak 1: 13160 % Peak 2: 6938 <<<<<<< Updated upstream % alpha: 0.7 N = 501; yo2 = filter(1, [1 zeros(1, N-1) x2], y2); ======= % alpha: 0.1 Too small, the peak is fake !!!!! N = 500; alpha = 0.1; yo2 = filter(1, [1 zeros(1, N-1) alpha], y2); >>>>>>> Stashed changes sound(yo2, 8192); % For y3 ---------------------------------------- Loading @@ -72,8 +79,14 @@ saveas(gcf, "plots/P2_10_f_out1_3.png"); N = 751; N1 = 2252; <<<<<<< Updated upstream alpha1 = 0.75; alpha2 = 0.6; b = [1 zeros(1, 750) alpha1 zeros(1, 1500) alpha2] ; ======= alpha = 0.5; alpha1 = 0.28; b = [1 zeros(1, N-1) alpha zeros(1, N1-1)] + [1 zeros(1, N1-1) alpha1 zeros(1, N-1)]; >>>>>>> Stashed changes yo3 = filter(1, b, y3); sound(yo3, 8192); No newline at end of file
