### This page provides all possible meanings and translations of the word **nyquist frequency**

### Princeton's WordNet

Nyquist frequency(noun)

(telecommunication) twice the maximum frequency occurring in the transmitted signal

### Freebase

Nyquist frequency

The Nyquist frequency, named after the Swedish-American engineer Harry Nyquist, is ½ of the sampling rate of a discrete signal processing system. It is sometimes known as the folding frequency of a sampling system. An example of folding is depicted in Figure 1, where fs is the sampling rate and 0.5 fs is the corresponding Nyquist frequency. The black dot plotted at 0.6 fs represents the amplitude and frequency of a sinusoidal function whose frequency is 60% of the sample-rate. The other three dots indicate the frequencies and amplitudes of three other sinusoids that would produce the same set of samples as the actual sinusoid that was sampled. The symmetry about 0.5 fs is referred to as folding. The Nyquist frequency should not be confused with the Nyquist rate, which is the minimum sampling rate that satisfies the Nyquist sampling criterion for a given signal or family of signals. The Nyquist rate is twice the maximum component frequency of the function being sampled. For example, the Nyquist rate for the sinusoid at 0.6 fs is 1.2 fs, which means that at the fs rate, it is being undersampled. Thus, Nyquist rate is a property of a continuous-time signal, whereas Nyquist frequency is a property of a discrete-time system.

### Numerology

Chaldean Numerology

The numerical value of nyquist frequency in Chaldean Numerology is:

**3**Pythagorean Numerology

The numerical value of nyquist frequency in Pythagorean Numerology is:

**5**

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"nyquist frequency." *Definitions.net.* STANDS4 LLC, 2016. Web. 26 Sep. 2016. <http://www.definitions.net/definition/nyquist frequency>.