# NYQUIST THEOREM

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What should be the minimum & maximum sampling rate for NYQUIST THEOREM?
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Is this included in gate syllabus??

sampling  is a process of converting a signal (for example, a function of continuous time and/or space) into a numeric sequence (a function of discrete time and/or space). Shannon'sversion of the theorem states:

If a function x(t) contains no frequencies higher than B hertz, it is completely determined by giving its ordinates at a series of points spaced 1/(2B) seconds apart.

according to nyquist theorem

A sufficient sample-rate is therefore 2B samples/second, or anything larger. Equivalently, for a given sample rate fs, perfect reconstruction is guaranteed possible for a bandlimit B < fs/2.

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Is nyquist theorem there in syllabus... if yes can someone explain its purpose
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