3.1 逻辑代数及运算规则 3.4 多输出函数的化简 3.2 逻辑函数的表示法及化简举例 3.3 卡诺图

2.1 基本逻辑关系及复合逻辑关系 2.2 TTL与非门 2.3 其它类型的TTL门电路

1.1 数字电路的基础知识 1.1.2 数制 1.1.1 数字信号和模拟信号 1.1.3 二进制代码

9.1 The Laplace Transform 1. The relationship 2. Region of Convergence（收敛域）

Chapter 8 Communication Systems Modulation : The general process of embedding an information -bearing signal into a second signal. Demodulation : Extracting the information-bearing signal. Modulation : Amplitude Modulation (AM) Frequency Modulation (FM) Phase Modulation (PM) Modulating

Let be a band-limited signal with then is uniquely determined by its samples if where

6.1 The Magnitude-Phase Representation （ 幅度-相位） of the Fourier Transform

4.1 Representation of Aperiodic Signals :The Continuous-Time Fourier Transform

1. Continuous-time system 2. Discrete-time system

2.1 Discrete-time LTI Systems : The Convolution Sum （卷积和） 2.1.1 The Representation of Discrete-Time Signals in Terms of impulses