Chapter 10. Fourier Analysis of Discrete-Time Signals and Systems
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10.1. Introduction

In this chapter we will consider the Fourier representation of discrete-time signals and systems. Similar to the connection between the Laplace and the Fourier transforms of continuous-time signals and systems, if the region of convergence of the Z-transform of a signal or of the transfer function of a discrete system includes the unit circle, then the discrete-time Fourier transform ...

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