Nyquist theorem

(redirected from Nyquist law)
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Ny·quist the·o·rem

(nī'kvist thē'ŏ-rĕm)
That a frequency must be sampled at least twice to reproduce it reliably.
References in periodicals archive ?
The maximum sampling rate of the DAQ device should be equivalent to at least twice the highest measured frequency (Nyquist Law).