通 信 技 术 概 论文 思 创 新 软 件 技 术 有 限 公 司目录第一章 通信与通信系统概述 ............................................................................................................ 11.1 信号与系统..........................................................................................................................21.1.1 信号 .................................................................................................................................21.1.2 系统 .................................................................................................................................31.2 通信系统的组成及工作原理................................................................................................31.2.1 信源 .................................................................................................................................41.2.2 发送变换器 ....................................................................................................... ..............41.2.3 信道 ...................................................................................................... . . . . . ................41.2.4 接收变换器 ......................................................................................................................51.2.5 通信系统 ..........................................................................................................................51.3 通信系统的分类................................................................................................... . . ...........61.3.1 按信源划分类 ........................................................................................ . . . . . . ..............61.3.2 按传输媒介分类 ..................................................................................... . . . . . . . . ..........71.3.3 按传输信号的特征分类............................................................ . . . ....
