An Etymological Dictionary of Astronomy and Astrophysics

1. In radio astronomy, a process performed by an → autocorrelator.
   
2. In statistics, a linear relation between values of a random variable over time.
   
3. In electronics, a technique used to detect cyclic activity in a complex signal.

Etymology (EN): Autocorrelation, from → auto- “self” + → correlation.

Etymology (PE): Xod-hambâzâneš, from xod- “self” + hambâzâneš,
→ correlation.