培训教材通信工程安装工兖矿集团信息中心2009 年 7 月目 录第 1 章 通信基础知识............................................................................................................................21.1 通信系统概念以及通信网构成.................................................................................................21.1.1 通信系统概念.....................................................................................................................21.1.2 通信网构成.........................................................................................................................31.2 通信线路的发展过程.................................................................................................................41.2.1 通信线路简史.....................................................................................................................41.2.2 我国通信线路的发展.........................................................................................................51.2.3 通信电缆的发展.................................................................................................................51.3 模拟信号与数字信号.................................................................................................................61.3.1 基本概念.............................................................................................................................61.3.2 通信的数字化.....................................................................................................................7第 2 章 通信电缆线路............................................................................................................................92.1 通信电缆分类以及用途.............................................................................................................92.1.1 全塑电缆的概念.................................................................................................................92.1.2 全塑...
