The Nyquist criterion states that the sampling frequency of a band limited analog waveform must be at least ______ component to properly reconstruct the signal.(a) half the maximum frequency(b) twice the maximum frequency(c) half the minimum frequency(d) twice the minimum frequencyI had been asked this question in an online interview.Query is from RF and IF Processing Tradeoffs topic in division Technology Tradeoffs in Software Defined Radio of Cognitive Radio

The Nyquist criterion states that the sampling frequency of a band lim

1.	The Nyquist criterion states that the sampling frequency of a band limited analog waveform must be at least ______ component to properly reconstruct the signal.(a) half the maximum frequency(b) twice the maximum frequency(c) half the minimum frequency(d) twice the minimum frequencyI had been asked this question in an online interview.Query is from RF and IF Processing Tradeoffs topic in division Technology Tradeoffs in Software Defined Radio of Cognitive Radio
Answer» Right option is (b) twice the maximum frequency The best explanation: The Nyquist CRITERION states that the sampling frequency of a BAND limited ANALOG waveform must be at least twice the maximum frequency component to properly reconstruct the SIGNAL. Aliasing can be overcome by meeting Nyquist criterion and USING filters.

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