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亚星游戏官网-yaxin222  下士

注册:2009-4-7
发表于 2011-9-7 11:02:08 |显示全部楼层
第一章 系统概述...................................................................................................................1
1.1 概述...........................................................................................................................1
1.2 工作原理概况...........................................................................................................1
1.3 技术特点...................................................................................................................2
1.4 直放站外形图...........................................................................................................2
1.5 直放站接口...............................................................................................................3
1.5.1 直放站近端机外部接口........................................................................................4
1.5.2 直放站远端机外部接口........................................................................................5
1.5.3 直放站内部接口....................................................................................................5
第二章 系统构成...................................................................................................................7
2.1 上行低噪放单元.......................................................................................................7
2.2 上行放大器、下行放大器.......................................................................................7
2.3 下行功放单元...........................................................................................................7
2.4 近端机光模块、远端机光模块...............................................................................7
2.5 波分复用器...............................................................................................................7
2.6 双工器.......................................................................................................................7
2.7 Modem 天线.............................................................................................................7
2.8 无线Modem.............................................................................................................8
2.9 主控制单元...............................................................................................................8
2.10 交流停电检测单元ACD .........................................................................................8
第三章 系统调测...................................................................................................................9
3.1 调测工具及仪表.......................................................................................................9
3.2 测量天馈系统的驻波比.........................................................................................10
3.3 测量供电系统并检查供电连接情况.....................................................................10
3.4 参数调试.................................................................................................................10
3.5 远程监控调测.........................................................................................................10
3.6 工程安装记录.........................................................................................................11
附录A:CDMA800 系列光纤宽带直放站随机配置.......................................................................12
附录B:CDMA800 频率和信道号对照表.......................................................................................12

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