find delay between two curves

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george
george 2016-7-8
评论： Angelavtc 2020-10-22
Hi there,
I need to find the delay of two curves. These two curves are very similar (see attached). I thought the matlabe finddelay function should work But the function always give a zero delay between the two curves. What is wrong? I also tried the xcorr function to find the delay, it also gives a zero delay? Any thought? Thanks, George

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Angelavtc
Angelavtc 2020-10-22
It is because your graph is not shifted but it has a different scale with respect to the independent variable, thats why you find no delay and an xcorr of zero.

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