本书是对2004年版《信息与通信工程专业科技英语》的全面改编，扩大了适用范围，充实了电子科学与技术、计算机技术和应用等方面的内容；加强了反映信息和电子学科新技术的课文；提供了不同难度的课文，适当增加了阅读材料以适应更广泛的要求，便于学生扩大阅读量。

本书选材兼顾经典题材和新兴技术，在编写中力求改革创新，摈弃从语法到语法、死记硬背的陈旧教学方法，强调大量实践，注重培养学生以较高准确性和足够的速度阅读专业资料和文献的能力，兼顾一定的专业英语表达能力。

全书共20单元，各单元包括课文、词汇、难点注释、课外阅读资料、习题。课文内容涉及电子技术、通信工程、信息处理、计算机应用等领域的基础知识和新技术进展，每一单元包括2～3篇科技文章或技术资料，注意较广的科技英语基本词汇和不同的语言难度。对部分科技术语和重要概念提供简要的英文辅助资料，以便于理解课文，并在学习科技英语的同时扩大专业知识面。书后附有关于科技英语阅读、写作、克服中式英语等问题的指南和讨论。

本教材可供高等院校信息科学、通信工程、电子技术、计算机应用等专业的本科生和研究生学习专业英语之用，亦可供广大英语学习爱好者参考。

Preface

Unit 1 Electronics: Analog and Digital

      Text

    Part I: Ideal Operational Amplifiers and Practical Limitations

    Part II: Data Registers and Counters

    Part III: Nature of Phase Lock

 New Words

 Notes on the Text

 Technical Tips

 Supplementary Readings: Bridging the Gap between the Analog and Digital Worlds

 Exercises

Unit 2 Integrated Circuits

     Text

   Part I: The Integrated Circuit

   Part II: Application Specific Integrated Circuit

New Words

Notes on the Text

Technical Tips

Supplementary Readings

   1. Integrated Circuits: the Past and the Future

   2. A Top-Down Approach to IC Design

Exercises 

Unit 3 EM Fields, Antenna and Microwaves

     Text

   Part I: Electromagnetic Field

   Part II: Microstrip Antenna

   Part III: Microwaves

New Words

Notes on the Text

Technical Tips

Supplementary Readings: What Are Microwaves?

Exercises

Unit 4 Communication and Information Theory

     Text

   Part I: Telecommunication

   Part II: Data Transmission

   Part III: Information Theory

New Words

Notes on the Text

Technical Tips

Supplementary Readings

    1. Telephone

    2. Radio and Television

    3. The Internet

Exercises

Unit 5 Multiple Access Techniques

     Text

    Part I: Multiple Access Techniques: FDMA, TDMA and CDMA

    Part II: Orthogonal Frequency Division Multiplexing

 New Words

 Notes on the Text

 Technical Tips

 Supplementary Readings: Wavelength-Division Multiplexing

 Exercises

Unit 6 Mobile Communications

     Text

    Part I: Mobile Communications

    Part II: Third Generation Wireless Networks

 New Words

 Notes on the Text

 Technical Tips

 Supplementary Readings: Beyond 3G

 Exercises

Unit 7 Satellite Communications

     Text

    Part I: Applications of Communications Satellite

    Part II: Satellite Intemet Access

 New Words

 Notes on the Text

 Technical Tips

 Supplementary Readings: History of Communications Satellite

 Exercises

Unit 8 Optical Communications

     Text

    Part I: Electromagnetic Spectrum

    Part II: Optical Fiber

 New Words

 Notes on the Text

 Technical Tips

 Supplementary Readings: Optical Systems

 Exercises

Unit 9 Digital Signals and Signal Processing

     Text

    Part I: Digital Signal Processing

    Part II: General Concepts of Digital Signal Processing

New Words

Notes on the Text

Technical Tips 

Supplementary Readings: Designing Digital Filters

Exercises

Unit 10 Digital Audio Compression

     Text

   Part I: MPEG Audio Layer 3

   Part II: Digital Audio Compression Standard AC3

New Words

Notes on the Text

Technical Tips

Supplementary Readings: Audio Compression Algorithm Overview

Exercises

Unit 11 Digital Image Processing

     Text

   Part I: Two-Dimensional Digital Images

   Part II: Digital Images -- Definition and Applications

   Part III: Introduction to Image Processing

New Words

Notes on the Text

Technical Tips

Supplementary Readings

   1. Medical Image Processing

   2. Video Surveillance: Challenge and Solutions

   3. Digital Video to Come Alive

Exercises

Unit 12 Biometrics Technology

     Text

   Part I: Fingerprint Identification 

   Part II: Introduction to Speaker Identification

New Words

Notes on the Text

Technical Tips

Supplementary Readings: Biometrics Overview

Exercises

Unit 13 Information Security

     Text

   Part I: Information Security - Introduction and a Brief History

   Part II: Basic Principles of Information Security 

   Part III: Intrusion Detection System

New Words

Notes on the Text

Technical Tips

Supplementary Readings: Hidden Communication

Exercises

Unit 14 Telemedicine and Biomedical Signal Processing

     Text

    Part I: Telemedicine

    Part II: Computerized Tomographic Imaging

New Words

Notes on the Text

Technical Tips

Supplementary Readings: Biomedical Signal Processing

Exercises

Unit 15 Remote Sensing

     Text

    Part I: An Overview of Remote Sensing

    Part II: Using Remote Sensing to Monitor Global Change

 New Words

 Notes on the Text

 Technical Tips

 Supplementary Readings: The Concept of Remote Sensing

 Exercises

Unit 16 Computers: System and Programming

     Text

    Part I: Take Care of Your Computer

    Part II: Computer Buying Guide - PC vs. Macintosh

    Part III: Object-Oriented Programming Languages

 New Words

 Notes on the Text

 Technical Tips

 Supplementary Readings

    1. Parallel Processing

    2. High Performance Computers

 Exercises

Unit 17 Computers and Networks

     Text

    Part I: Evolution of Computers

    Part II: Local Area Networks

 New Words 

 Notes on the Text

 Technical Tips

 Supplementary Readings

    1. The Information Based Society

    2. Google Unveils’Universal Search

Exercises

Unit 18 Iuternet and Multimedia

     Text

   Part I: Multimedia

   Part II: Networks in Multimedia Applications

New Words 

Notes on the Text

Technical Tips

Supplementary Readings: Impacts of the Internet

Exercises

Unit 19 Artificial Intelligence

     Text

   Part I: What Is Artificial Intelligence

   Part II: Approaches of AI

New Words

Notes on the Text

Technical Tips

Supplementary Readings: History of Artificial Intelligence

Exercises

Unit 20 Human Errors and System Design

     Text

    Part I: Learning from Disasters

    Part II: The Lessons of Human Errors 

 New Words

 Notes on the Text

 Technical Tips

 Supplementary Readings: Computational Thinking

 Exercises

 Appendix I. How Should We Read English

 Appendix II. Writing Technical English

    1. Writing in Plain English

    2. Examples of Diseased English and the Cure

 Appendix III. Avoid Pidgin English

    1. Avoid Influence of Mother Tongue on Technical English Writing

    2. Examples of Chinese English in Technical Writing

  Appendix IV. How to Write Abstract

    1. Types of Abstract

    2. Length of Abstract

    3. Styles

Bibliography