An Etymological Dictionary of Astronomy and Astrophysics
English-French-Persian

In radio astronomy, a spectrograph which correlates the signal with itself with various time delays, and extracts the frequency spectrum of the signal. → correlator.

Autocorrelator, agent n. from → autocorrelate + → -or.

Xod-hambâzângar, agent n. from xod-, → auto-, + hambâzângar, → correlator.

An instrument used to test lenses by utilizing the → optical transfer function. It consists of a HeNe laser, a beamsplitter and two mirrors.

→ optical; → autocorrelator.