different between optical vs autocorrelator

English

Etymology

optic +? -al

Pronunciation

• (Received Pronunciation) IPA^(key): /??pt?k?l/
• (General American) IPA^(key): /??pt?k?l/

Adjective

optical (comparative more optical, superlative most optical)

1. Of, or relating to sight; visual.

   Strabismus is an optical defect.

   (Can we add an example for this sense?)

2. Designed to assist or enhance sight

   A microscope is an optical instrument.

3. Of, or relating to optics.

   Refraction is an optical effect.

4. Of, or relating to visible light.

   Optical telescopes don't work when it is cloudy.

5. Incorporating light-sensitive devices.

   An optical switch opens the door automatically.

Derived terms

Translations

Anagrams

• Capitol, capitol, coalpit, lipcoat, pit coal, topical

English

Etymology

auto- +? correlator

Noun

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