本书完整地阐述了信号、系统和变换的基本理论和基本方法。同时，本书系统介绍了信号与系统相关的数学基础知识，包括傅里叶变换、傅里叶级数、拉普拉斯变换、离散时问和离散傅里叶变换以及。变换等。另外，书中给出了大量的实例、习题以及MATALAB程序，以利于教学和实践。本书适合作为电子信息科学与工程类专业本科生、研究生的教材及参考书，也可供相关技术人员参考。

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