目 录一、前言..........................................................................................................................................21 。 1 工程概述 ......................................................................................................................... 2 1 。 2 方案设计依据 ................................................................................................................. 2 1 。 3 系统设计总则 ................................................................................................................ 2 二、电视监控系统 .......................................................................................................................... 4 2.1 设计说明 .......................................................................................................................... 4 2.2 系统设计 .......................................................................................................................... 4 2.3 系统架构 ............................................................................................................................ 6 2 。 3 设备介绍 .......................................................................................................................... 6 三、信息发布系统 ........................................................................................................................ 20 3.1 用户需求 ........................................................................................................................ 20 3 。 2 系统设计 ...................................................................................................................... 20 3.3 显示终端部署 ................................................................................................................ 20 3 。 4 系统功能 ................................................................................................................