autocorrelator
nounEtymology From auto- + correlator.
1
Business, Electrical engineering, Electricity, Electromagnetism, Electronics, Energy, Engineering, Natural sciences, Physical sciences, Physics A device that modifies a signal with a delayed copy of itself in order to detect any periodic signal hidden in the noise
2
Business, Electrical engineering, Electricity, Electromagnetism, Electronics, Energy, Engineering, Natural sciences, Physical sciences, Physics A device that uses interferometry to detect autocorrelation of optical beams