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Signals and Systems by Oktay Alkin

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Chapter 1

Signal Representation and Modeling

Chapter Objectives

  • Understand the concept of a signal and how to work with mathematical models of signals.
  • Discuss fundamental signal types and signal operations used in the study of signals and systems. Experiment with methods of simulating continuous- and discrete-time signals with MATLAB.
  • Learn various ways of classifying signals and discuss symmetry properties.
  • Explore characteristics of sinusoidal signals. Learn phasor representation of sinusoidal signals, and how phasors help with analysis.
  • Understand the decomposition of signals using unit-impulse functions of appropriate type.
  • Learn energy and power definitions.

1.1 Introduction

Signals are part of our daily lives. We work with a wide variety ...

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