autocorrelations

/AO1 T OW1 S R AH0 L EY1 SH AH0 N Z/
noun
  1. 1

    The cross-correlation of a signal with itself: the correlation between values of a signal in successive time periods.

Source: https://en.wiktionary.org/wiki/autocorrelation, https://en.wiktionary.org/wiki/autocorrelations