?? program_02_7.m
字號:
% Program 2_7
% Computation of cross-correlation sequence
%
colordef black;
x = input('Type in the reference sequence = ');
y = input('Type in the second sequence = ');
% Compute the correlation sequence
n1 = length(y)-1; n2 = length(x)-1;
r = conv(x,fliplr(y));
k = (-n1):n2';
stem(k,r,'g');
xlabel('Lag index'); ylabel('Amplitude');
v = axis;
axis([-n1 n2 v(3:end)]);
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