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Signals and Systems by Oktay Alkin

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Chapter 6

Sampling and Reconstruction

Chapter Objectives

  • Understand the concept of sampling for converting a continuous-time signal to a discrete-time signal.
  • Learn how sampling affects the frequency-domain characteristics of the signal, and what precautions must be taken to ensure that the signal obtained through sampling is an accurate representation of the original.
  • Consider the issue of reconstructing an analog signal from its sampled version. Understand various interpolation methods used and the spectral relationships involved in reconstruction.
  • Discuss methods for changing the sampling rate of a discrete-time signal.

6.1 Introduction

The term sampling refers to the act of periodically measuring the amplitude of a continuous-time signal ...

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