小区智能化系统技术方案1.智能小区视频监控系统工程设计...............................................................................................51.1概述..............................................................................................................................................51.2系统设计施工的原则..................................................................................................................61.3.闭路电视监控系统.....................................................................................................................71.4系统概述......................................................................................................................................71.5工程涉及范围..............................................................................................................................81.5.12.2.1设计依据..................................................................................................81.5.2系统目标...........................................................................................................91.5.3系统总体设计.................................................................................................131.6闭路电视监控系统解决方案.....................................................................................................141.6.1监控部分.........................................................................................................141.6.2智能小区出入口的监控.................................................................................141.6.3道路及四周围墙的监控.................................................................................151.6.4楼门出入口的监控.........................................................................................161.7系统组成....................................................................................................................................162.智能小区公共广播系统............................................................................................................182.1公共广播设计思想....................................................................................................................182.2公共广播设计原则及依据.........................................................................................................192.2.1设计原则.........................................................................................................192.2.2设计依据.........................................................................................................192.3公共广播设计要求....................................................................................................................202.3.1传输方式：.....................................................................................................202.3.2对线路衰耗要求：.........................................................................................202.3.3广播线材选用对照参考表.............................................................................222.3.4扬声器的设置.................................................................................................232.3.5广播系统的供电要求.....................................................................................242.3.6线路及管道敷设要求.................................
