* Question
| What are the importance of the sampling theorem? |
* Answer
| The importance of the sampling theorem lies in its role as a bridge between continuous-time signals and discrete-time signals.Under certain conditions, a continuous time signal can be fully recovered from its samples, which provides the idea of using a discrete time signal to represent a continuous time signal.The concept of sampling and the emergence of sampling theorems have made it possible to use discrete-time system techniques to implement continuous-time systems and process continuous-time signals. |
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