Definition of Nyquist criterion in English:

Nyquist criterion

Line breaks: Ny|quist cri|ter¦ion
Pronunciation: /ˈnʌɪkwɪst
 
/

noun

Electronics
A criterion for determining the stability or instability of a feedback system.
More example sentences
  • Assuming we're dealing with low pass signals - signals where the bandwidth of interest goes from 0 to f MAX, the Nyquist criterion states that our sampling frequency needs to be at least 2 * f MAX.
  • Thus, applying the Nyquist criterion, the resolution of 512 pixel/line images larger than 32 m is limited by sampling frequency, whereas images smaller than 32 m are limited by other aspects of the image acquisition.
  • The Nyquist criterion must still be satisfied with respect to the new lower sampling frequency in order to avoid aliasing.

Origin

1930s: named after Harry Nyquist (1889–1976), Swedish-born American engineer.

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