计算机网络发展英语论文,COMPUTER_-NETWORK_计算机网络(英语论文).doc

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计算机网络 (双语)论文 作 者：

学 号：

院 系： 自动化工程学院

专 业： 测控技术与仪器082

题 目： COMPUTER NETWORK 指导者： 评阅者： Catalogue

Preface………………………………………………………3

Basics…………………………………………………………5

Ultra-High-frequency communication ≥100 MHz …………………5

Home networking LAN …………………………………………………6

Internet access broadband over powerlines ……………………8

Medium frequency kHz ………………………………………………10

Low-speednarrow-band communication…………………11

High-speed narrow-band powerline communication?— distribution line carrier……………………………………………………………13

Transmitting radio programs…………………………………………14

Utility applications…………………………………………………15

Low frequency kHz …………………………………………………16

Broadband over power line BPL ……………………………………17

'notching out' and dynamic adaptation to contention………………………………………………………………18

Interference issue remains a challenge to PLC systems………19

Automotive uses…………………………………………………………21

Failure Scenarios………………………………………………………21

IEEE P1901, ITU G.hn home grids……………………………………22

Standards organizations………………………………………………24

Small and medium-sized enterprise office LAN construction scheme……………………………………………25

Personal feeling…………………………………………30

Reference directory……………………………………………32 Preface

This article is now in its fourth edition. Each edition has corresponded to a different phase in the way computer networks were used. When the first edition appeared in 1980, networks were an academic curiosity. When the second edition appeared in 1988, networks were used by universities and large businesses. When the third edition appeared in 1996, computer networks, especially the Internet, had become a daily reality for millions of people. The new item in the fourth edition is the rapid growth of wireless networking in many forms. The networking picture has changed radically since the third edition. In the mid-1990s, numerous kinds of LANs and WANs existed, along with multiple protocol stacks. By 2003, the only wired LAN in widespread use was Ethernet, and virtually all WANs were on the Internet.

Accordingly

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