PREFACE 1 INTRODUCTION 1.1 Modeling 1.2 Continuous-Time Physical Systems Electric Circuits Operational Amplifier Circuits Simple Pendulum DC Power Supplies Analogous Systems 1.3 Samplers and Discrete-Time Physical Systems Analog-to-Digital Converter Numerical Integration Picture in a Picture Compact Disks Sampling in Telephone Systems Data-Acquisition System 1.4 MATLAB and SIMULINK …… 2 CONTINUOUS-TIME SIGNALS AND SYSTEMS 3 CONTINUOUS-TIME LINEAR TIME-INVARIANT SYSTEMS 4 FOURIER SERIES 5 THE FOURIER TRANSFORM 6 APPLICATION OF THE FOURIER TRANSFORM 7 THE LAPLACE TRANSFORM 8 STATE WARIABLES FOR CONTINUOUS-TIME SYSTEMS 9 DISCRETE-TIME SIGNALS AND SYSTEMS 10 DISCRETE-TIME LINEAR TIME-INVARIANT SYSTEMS 11 THE z-TRANSFORM 12 FOURIER TRANSFORMS OF DISCRETE-TIME SIGNALS 13 STATE VARIABLES FOR DISCRETE-TIME SYSTEMS APPENDICES