《通信原理》课程教学资源（PPT课件讲稿，英文版）Chapter One Introduction

Digital and Analog s Communication System

1 Digital and Analog Communication System

Chapter One References 1.《现代通信原理》曹志刚 清华大学出版社 2.《通信原理》 樊昌信 国防工业出版社

2 References 1.《现代通信原理》 曹志刚 清华大学出版社 2. 《通信原理》 樊昌信 国防工业出版社 Chapter One

Chapter One Introduction Why Information Age Information Superhighway

3 Introduction Chapter One Why? Information Age Information Superhighway

Chapter One Application military application common application;

4 Application military application; common application; Chapter One

1introduction What is a communication system? Communication systems is used to transmit information

5 What is a communication system? Communication systems is used to transmit information. 1.1 Introduction

1introduction s Key conceptions or words () Information; (2)Message; 3 Signal (4) Waveforms

6 Key conceptions or words (1) Information; (2) Message; (3) Signal; (4) Waveforms 1.1 Introduction

1.1 ntroduction I. 1 Jimes C Maxwell(1864) 2 Heinrich hertz (1887) e 3 Claude E. Shannon (1948) 4. Winner

7 1 Jimes C.Maxwell（1864） 2 Heinrich Hertz （1887） 3 Claude E.Shannon (1948) 4.Winner 1.1 Introduction

1.1 ntroduction Perspective of communication W Ire optic-fiber and networks wireless 1G->2G->3G->B3G WLAN: MIMO and mIMo-oFdm UWB, optic -wireless communication

8 Perspective of communication Wire optic-fiber and networks wireless 1G->2G->3G->B3G WLAN; MIMO and MIMO-OFDM, UWB, optic –wireless communication 1.1 Introduction

1. 1Introduction What must be considered when you design a communication system? 1. Selection of the information-bearing waveform 2. Bandwidth and power of the waveform 3. Effect of system noise on the received information 4 Cost of the system

9 What must be considered when you design a communication system? 1. Selection of the information-bearing waveform 2. Bandwidth and power of the waveform 3. Effect of system noise on the received information 4. Cost of the system 1.1 Introduction

s 1.2 Digital and Analog source and system The generation of communication system nformation Signal Carrier input m(t processing circuits channel ransmitter noise Information Signal Carrier output pl processing g circuits Receiver 10

10 1.2 Digital and Analog source and system • The generation of communication system Transmitter Information input m(t) Signal processing channel Signal processing Carrier circuits Receiver noise Carrier circuits Information output