内容介绍：

信号与系统是通信和电子信息类专业的核心基础课，其中的概念和分析方法广泛应用于通信、自动控制、信号与信息处理、电路与系统等领域。
信号与系统从概念上可以区分为信号分解和系统分析两部分，但二者又是密切相关的，根据连续信号分解为不同的基本信号，对应推导出线性系统的分析方法分别为：时域分析、频域分析和复频域分析；离散信号分解和系统分析也是类似的过程。

内容截图：

PREFACE xvii
1 INTRODUCTION 1
1.1 Modeling 1
1.2 Continuous-Time Physical Systems 4
Electric Circuits, 4
Operational Amplifier Circuits, 6
Simple Pendulum, 9
DC Power Supplies, 10
Analogous Systems, 12
1.3 Samplers and Discrete-Time Physical Systems 14
Analog-to-Digital Converter, 14
Numerical Integration, 16
Picture in a Picture, 17
Compact Disks, 18
Sampling in Telephone Systems, 19
Data-Acquisition System, 21
1.4 MATLAB and SIMULINK 22
2 CONTINUOUS-TIME SIGNALS AND SYSTEMS 23
2.1 Transformations of Continuous-Time Signals 24
Time Transformations, 24
Amplitude Transformations, 30
2.2 Signal Characteristics 32
Even and Odd Signals, 32
Periodic Signals, 34

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