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Explain Sampling theorem.

written 5.4 years ago by | modified 2.8 years ago by |

In the communication system, the s/g to be transmitted is digitized during the digitization process the s/g need to be sampled first.

This sampling is to be done in a specified rate range such that the recovery is faithful.

This rate is governed by Nquistâ€™s criteria which gives rise to sampling theorem which states that,

For faithful reconstruction at the receiver, the signal should be sampled at the transmitter at-least at twice the rate of maximum frequency.

$fs \geq 2fm$

Where,

**Fs** = sampling frequency.

**Fm** = maximum frequency component.

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