?? ex030800.m
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x = rand(1,11); n = 0:10;k = 0:500; w = (pi/500)*k;X = x * (exp(-j*pi/500)).^(n'*k); % DTFT of x% signal shifted by two samplesy = x; m = n+2;Y = y * (exp(-j*pi/500)).^(m'*k); % DTFT of y% verificationY_check = (exp(-j*2).^w).*X; % multiplication by exp(-j2w)error = max(abs(Y-Y_check)) % Difference?? 快捷鍵說明
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