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Nyquist frequency

Syllabification: Ny·quist fre·quen·cy
(also Nyquist rate)

Definition of Nyquist frequency in English:

noun

Electronics
The minimum rate at which a signal can be sampled without introducing errors, which is twice the highest frequency present in the signal.
Example sentences
  • This frequency limit is known as the Nyquist frequency.
  • We used the Signal-RTS software to digitize the recorded calls (sampling rate: 12500 Hz for the túngara frogs, and 25000 Hz for the cricket frogs, higher than 1.5 times of the Nyquist frequency for all calls recorded).
  • For any outline, the total power is calculated as the sum, from 1 to n, of individual harmonic powers where n is equal to the Nyquist frequency.

Origin

1930s: see Nyquist criterion.

Definition of Nyquist frequency in:

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