目 录

1 引言 ..............................................................5

1.1 目的...................................................................................................................5

1.2 范围...................................................................................................................5

2 系统功能和性能要求 ................................................5

2.1 系统的构成.......................................................................................................5

2.2 系统总体功能和性能要求...............................................................................5

2.3 视频图像信号...................................................................................................6

2.4 信号传输...........................................................................................................6

2.5 视频切换控制...................................................................................................7

2.6 显示和记录.......................................................................................................7

2.7 图像存储和回放...............................................................................................7

2.8 图像质量要求...................................................................................................8

2.9 视频智能分析...................................................................................................8

3 系统设备性能和安装要求 ............................................8

3.1 基本要求..........................................................................................................8

3.2 前端采集设备...................................................................................................8

3.3 传输设备.........................................................................................................10

3.4 视频切换控制设备.........................................................................................11

3.5 显示设备.........................................................................................................12

3.6 记录和回放设备.............................................................................................12

3.7 控制台.............................................................................................................12

4 系统安全性要求 ...................................................13

5 系统可靠性要求 ...................................................13

6 系统兼容性和可扩展性要求 .........................................13

7 系统防雷接地和供电要求 ...........................................14

8 系统运行要求 .....................................................14

名词解释...........................................................15

附 图像质量的主观评价..............................................17