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cross-correlation function

   Also found in: Acronyms 0.01 sec.
cross-correlation function [′krȯs kär·ə′lā·shən ‚fəŋk·shən]
(communications)
A function, φ12(τ), where τ is a time-delay parameter, equal to the limit, asTapproaches infinity, of the reciprocal of 2Ttimes the integral overtfrom -TtoToff1(t)f2(t - τ), wheref1andf2are functions of time, such as the input and output of a communication system.


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More recently, another body in the literature has emerged that concentrates on analysing the cross-correlation function between trade balance and terms of trade.
If fertilisation is not an instantaneous act but continuous influx during decades like in the North-Eastern Estonia, the response time can be estimated from the cross-correlation function, a common method to detect statistically the delayed impacts.
 
 
 
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