Nyquist frequency


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Related to Nyquist frequency: Nyquist Theorem, Nyquist limit

Nyquist frequency

(DSP)
The highest frequency that can be represented in a digital signal of a specified sampling frequency. It is equal to one-half of the sampling rate.

See Nyquist Theorem.
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log of unity, as the occupied bandwidth of the signal, set by the anti-aliasing filter, is the same as the Nyquist frequency fs/2.
It was shown that to have a good detection, it is recommended to select a PRF greater than or equal to the Nyquist frequency to avoid Doppler ambiguities and take (d = [lambda]/2) to avoid the range ambiguities.
Values above 70% of the Nyquist frequency are desirable.
The encode operation indicated in the first block is a conversion from binary into the quaternary choice of one of four symbol voltage levels to be assigned to a bandlimited Nyquist frequency modulating pulse.
The ratio between cutoff frequency and the Nyquist frequency is 1:10 for F1 and 1:20 for F2.
Figure 2 shows the frequency domain view of a sampled signal after analog reconstruction that illustrates the mirroring effect across integer multiples of the Nyquist frequency.
speed, high dynamic range DAC which permits multicarrier signal generation up to the desired Nyquist frequency.
Thus, the filter automatically adjusts to follow the Nyquist frequency.
Figure 1 summarizes the typical power and SNR at Nyquist frequency for currently available 5V and 3V 14-bit ADCs.
Both devices provide multi-carrier capability up to the Nyquist frequency in baseband mode and use the mix-mode function to generate RF signals in the second and third Nyquist zones.
8 GSPS permitting multicarrier generation up to the Nyquist frequency.
Undersampling is a term that explains the function of samplers relative to the Nyquist frequency Fs/2.