autocorrelator

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English

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Etymology

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From auto- +‎ correlator.

Noun

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English Wikipedia has an article on:
Wikipedia

autocorrelator (plural autocorrelators)

  1. (electronics) A device that modifies a signal with a delayed copy of itself in order to detect any periodic signal hidden in the noise
  2. (electronics) A device that uses interferometry to detect autocorrelation of optical beams
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