Is this included in gate syllabus??

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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

Bhertz, 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 2*B* samples/second, or anything larger. Equivalently, for a given sample rate *f*_{s}, perfect reconstruction is guaranteed possible for a bandlimit *B* < *f*_{s}/2.

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