本书内容涵盖电子、通信、电信及计算机等相关专业方向，具有较强的先进性和实用性。本书内容分为两部分，共18个单元。专业阅读部分包括14个单元：电路原理、嵌入式系统、集成电路、信号与系统、数字信号处理、数字图像处理、通信原理、移动通信、光通信、电信网络、电磁学、微波通信、计算科学基础、新技术趋势。实践指导部分包括4个单元：专业学习方法、研究方法、求职指导及沟通技巧。本书提供配套的电子课件PPT、词汇表、习题参考答案、教学大纲、教学指南等。本书可作为电子工程、通信工程、电信工程等专业大学本（专）科生的科技英语和专业英语课程教学用书，也可供相关领域的工程技术人员学习参考。

PartⅠ Academic Reading
Unit 1 Electric Circuits
1.1 Circuit Elements
1.2 Basic Laws
1.2.1 Ohm’s Law
1.2.2 Kirchhoff’s Laws
1.3 Circuit Analysis
1.3.1 Nodal Analysis
1.3.2 Mesh Analysis
Exercises
Unit 2 Embedded Systems
2.1 Introduction to Embedded Systems
2.1.1 Early Forms of Embedded Systems
2.1.2 Birth and Evolution of Modern Embedded Systems
2.1.3 Contemporary Embedded Systems
2.2 Structure of an Embedded System
2.2.1 Hardware Components
2.2.2 Software Components
2.3 Microprocessors Versus Microcontrollers
2.3.1 Microprocessor Units
2.3.2 Microcontroller Units
2.3.3 RISC Versus CISC and RISC Architectures
2.3.4 Programmer and Hardware Models
Exercises
Unit 3 Integrated Circuits
3.1 Introduction
3.2 PN Junction and Diode
3.3 Transistor
3.3.1 BJT
3.3.2 FET
3.4 FPGA
3.4.1 FPGA Versus Microcontroller
3.4.2 What Is a Programmable Gate Array
3.4.3 How Do You Program an FPGA
Exercises
Unit 4 Signals and Systems
4.1 Introduction to Signals
4.2 Frequency Response of LTI Systems
4.3 Sampling Theorem
Exercises
Unit 5 Digital Signal Processing
5.1 Introduction to Digital Signal Processing
5.2 Structures for Discrete-Time Systems
5.3 Filter Design Techniques
Exercises
Unit 6 Digital Image Processing
6.1 Components of an Image Processing System
6.2 Examples of Fields That Use Digital Image Processing
6.3 Introduction to Pattern Recognition
Exercises
Unit 7 Principles of Communications
7.1 Electrical Communication Systems
7.2 Modulation and Multiplexing
7.2.1 Baseband Transmission
7.2.2 Broadband Transmission
7.2.3 Multiplexing
7.3 Digital Communication Techniques
7.3.1 Data Conversion
7.3.2 Elements of a Digital Communication System
Exercises
Unit 8 Mobile Communication
8.1 From 1G to 5G
8.1.1 A Brief History of Wireless Technologies
8.1.2 1G — First Generation Mobile Communication System
8.1.3 2G — Second Generation Mobile Communication System
8.1.4 3G — Third Generation Mobile Communication System
8.1.5 4G — Fourth Generation Mobile Communication System
8.1.6 5G — Fifth Generation Mobile Communication System
8.1.7 Summary
8.2 Mobile Networks
8.2.1 Main Components
8.2.2 Radio Access Network
8.2.3 Mobile Core
Exercises
Unit 9 Optical Communication
9.1 Optical Communication Systems
9.1.1 Light Wave Communication in Free Space
9.1.2 Fiber-Optic Communication System
9.1.3 Applications of Fiber Optics
9.2 Passive Optical Networks
9.2.1 The PON Concept
9.2.2 PON Technologies
Exercises
Unit 10 Telecommunication Networks
10.1 A Telephone Network
10.1.1 Basic Telephony
10.1.2 Telephone System
10.2 Internet Telephony
10.2.1 VoIP Fundamentals
10.2.2 Internet Phone Systems
Exercises
Unit 11 Electromagnetics
11.1 Introduction of Electromagnetics
11.1.1 Importance of Electromagnetics
11.1.2 A Brief History of Electromagnetics
11.1.3 Applications of Electromagnetism
11.2 Engineering Electromagnetics and Waves
11.2.1 Lumped Versus Distributed Electrical Circuits
11.2.2 Electromagnetic Components
11.2.3 Maxwell’s Equations and Electromagnetic Waves
Exercises
Unit 12 Microwave Communication
12.1 Microwave Concepts
12.1.1 Microwave Frequencies and Bands
12.1.2 Benefits of Microwaves
12.1.3 Disadvantages of Microwaves
12.2 Microwave Communication Systems
12.2.1 Transmitters
12.2.2 Receivers
12.2.3 Transmission Lines
12.2.4 A