noun
cross-correlation
Technical term in signal processing and statistics for measuring similarity between two signals as a function of a time lag.
相互相関関数を使って信号の遅延時間を推定する。
Estimate the delay time of signals using the cross-correlation function.
自己相関 (autocorrelation) measures correlation of a signal with a delayed copy of itself, while 相互相関 (cross-correlation) measures correlation between two different signals.
Compound of 相互 (mutual) and 相関 (correlation).