?? isi.m
字號:
function [signal_out] = isi(signal_in,delay_1,delay_2)
if delay_1 > delay_2
temp = delay_1;
delay_1 = delay_2;
delay_2 = temp;
end
if delay_1 == 0 & delay_2 == 0
signal_out = signal_in;
return
end
signal_1 = signal_in;
len = length(signal_in);
new_len = len + delay_2;
signal_1(new_len) = 0;
signal_2 = zeros(1,new_len);
signal_3 = zeros(1,new_len);
signal_2(delay_1 + 1:delay_1 + len) = signal_in;
signal_3(delay_2 + 1:delay_2 + len) = signal_in;
%for k = 1:len,
%signal_2(k + delay_1) = signal_1(k);
%signal_3(k + delay_2) = signal_1(k);
%end
signal_out = signal_1 + signal_2 + signal_3;
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