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单词 cross-correlation function
释义 cross-correlation function
[`krȯs kär·ǝ`lā·shǝn ´fǝŋk·shǝn]
COMMUNICATIONS
A function, ϕ12(τ), where τ is a time-delay parameter, equal to the limit, as T approaches infinity, of the reciprocal of 2T times the integral over t from -T to T of f1(t )f2(t - τ), where f1 and f2 are functions of time, such as the input and output of a communication system.
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