measure the difference between two signal ?

cob
2015 7 16
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更新时间：2015 7 16
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Hi , i have two signals the first one is the reference , and the second is recorded , im trying to measure the similarities between using the xcorr function , the issue is that timing between the peeks of both signals is different , but if look on them in the time domain , its possible to find the similarities between :
so i tried to use the xcorr function , and this is the result i'v got :
are there any other matlab functions differ than XCORR ?

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Honglei Chen
Honglei Chen 2015-7-16

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For this kind of task you may want to look into dynamic time warping
https://en.wikipedia.org/wiki/Dynamic_time_warping
There are several MATLAB implementation online.
HTH

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