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Nyquist criterion Syllabification: Ny·quist cri·te·ri·on
Pronunciation: /ˈnīkwist krīˌtirēən/

Definition of Nyquist criterion in English:


A criterion for determining the stability or instability of a feedback system.
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.


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

Definition of Nyquist criterion in:
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