《现代通信系统双语》由会员分享，可在线阅读，更多相关《现代通信系统双语（55页珍藏版）》请在金锄头文库上搜索。
1、Advanced Communication Systems 现代通信系统(双语),Prof. LIU Jiakang 刘家康 教授 Beijing Institute of Technology 北京理工大学 2008.9.,Course Brief 课程概要,Course Name: Advanced Communication Systems 课程名称：现代通信系统 This is a discipline course for the final-year student in Information Engineering major.这是信息工程专业大四学生的一门专业课。 Thi
2、s course will be taught in bilingual. All teaching materials, including lecture notes, homeworks, experiment, examination, will only in English.本课程是双语教学，所有教学材料(包括课件、作业、实验、考试)均用英语。,Course Purpose课程目标,To introduce the telecommunication technology介绍通信技术 To cover the history of Telecommunication覆盖通信历史 T
3、o explain the principle of data transmission 解释数据信号传输原理 To illustrate how communication networks are designed 解释通信网络是如何设计的 To describe the trend for network convergence 描述网络融合的趋势,Textbook 教材,Textbook: Tamara Dean, Guide to Telecommunication Technology, CENGAGE (previously Thomson Learning) 2003, ISB
4、N 0-619-03547-1 远程通信技术,清华大学出版社影印版，2003年,758页,78元,ISBN 7-302-07266-3 Website: http:/ Extensive Review Questions, hands-on Activities, and Case Projects in each chapter. 每章后有丰富的复习思考题和实验项目。,References 参考书,R.L.Freeman, Fundamentals of Telecommunications, Wiley, 1999 G.Kennedy, B.Davis, Electronic Commun
5、ication Systems, McGraw-Hill, 1993 Ray Blake, Electronic Communication Systems (2nd ed) 电子工业出版社，2002年 Wayne Tomasi, Electronic Communications Systems (4th ed)电子工业出版社，2002年,Course Evaluation 课程结业方式,75% Final Close-book Exam 期末闭卷考试 25% Homework, Experiment, Attendance 平时作业、实验、出勤率 All work should be wr
6、itten in ENGLISH. 所有的作业和考试必须使用英文书写提交。 Homework and Experiment report should be handed in on the Course website http:/ 作业和实验必须提交到指定的网站。,Course Website 课程的网站,Website: http:/ How to log in: Username is your student ID No. Password is initialized to your class number (such as 01510400) Find the course “
7、现代通信系统” on the site. All 60 students have been registered in the course. You should be able to see the course.,Telecommunications Overview,Chapter 1,Advanced Communication Systems 现代通信系统(双语),Objectives,In this chapter, you will learn to: Define communication and telecommunication Illustrate componen
8、ts of a communication system Understand the difference between voice, video, and data telecommunications Describe how telecommunication is used in a variety of industries Identify careers available to telecommunications professionals Identify the organizations responsible for establishing significan
9、t telecommunications standards and policies,Section 1.1 What is communication? 什么是通信？,The Romans used the Latin word communicare when they meant “to make common, to share, or to impart.” Definition of Communication Communication is the sharing of information or messages between two or more entities.
10、 通信的定义 通信是指两个或多个实体之间共享信息的过程。,Elements of a Communication System 通信系统基本组成,SIX elements: 共有六个部分 Source - the originator of the message, whether it is a person or machine. 信源 Transmitter - the equipment that modifies the message (either data or voice) into the form required for transmission. 发射机 Commun
11、ications channel - the means of carrying the signal from the source to the destination. 信道,Elements of a Communication System (cont.),Transmission media - may be physical, like a copper wire or fiber optic cable, or atmospheric, like radio waves. 传输介质 Receiver - is the device that captures the messa
12、ge from the communications channel and converts it into a form that the person or machine at the destination can understand. 接收机 Destination - the person or machine to whom the message is directed 目的端,Elements of a Communication System Diagram,Flow of Messages 信息的流向 （工作方式）,Simplex - the type of comm
13、unication in which messages flow in only one direction, from source to destination. 单工 Half-duplex communication - occurs when messages travel in both directions between the source and the destination, but in only one direction at a time. 半双工 Full-duplex communication - messages can travel over the
14、communications channel in both directions simultaneously. 全双工,Flow of Messages,Relative Number of Sources and Destinations 收发端相对数量 （通信方式）,One-to-one communication - a single source sends information to a single destination. 一对一通信 One-to-many communication - a single source simultaneously sends infor
15、mation to multiple destinations. 一对多通信 Many-to-many communication - occurs when many sources issue messages to many destinations. 多对多通信,Relative Number of Sources and Destinations,Quick Quiz,Listen to my question carefully. 1. True of False 2. Fill in the blank 3. Fill in the blank 4. Fill in the bl
16、ank,Section 1.2 What is Telecommunication? 什么是电信？,Communication that spans a distance. Voice telecommunication - using electrical signals to transmit human voice across a distance, such as telephones and radio broadcasts. Video telecommunication - the electrically-based transmission of moving pictures and sound across a distance. Data telecommunication - the use of electrical signals to exchange encoded information between comput
