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In Nyquist sampling, the ____ frequency is ______to the duration of the observation interval.

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In Nyquist sampling, the ____ frequency is ______to the duration of the observation interval.

(a) maximum recoverable, proportional

(b) minimum resolvable, inversely proportional

(c) maximum recoverable, inversely proportional

(d) minimum resolvable, proportional

I had been asked this question in final exam.

My doubt is from ADC Tradeoffs in division Technology Tradeoffs in Software Defined Radio of Cognitive Radio

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Correct answer is (b) minimum resolvable, inversely proportional

To explain I would say: In Nyquist sampling, the maximum recoverable frequency is given by the expression fs/2. The minimum resolvable frequency is inversely proportional to the duration of the observation interval. The observation interval is given by the number of time domain points.

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