有线电视网络 CATV光纤网络设计.doc

《有线电视网络课程设计》
HFC光链路常规设计
院系: 传媒技术学院
专业: 广播电视工程


2014年6月26日
课程设计任务书

学生姓名
学号
课程名称
《有线电视网络课程设计》
设计题目
楼陈区域 CATV光纤网络设计
设计目的、主要内容(参数、方法)及要求
课程设计的目的在于培养学生运用相关课程中所学到的理论知识,解决实际问题的能力,培养学生查阅资料文献的能力,培养学生使用相关软件的能力,培养学生动手的能力,培养学生规范撰写相关文档的能力等。
给定楼陈区域的光纤路由图,给定相关的技术条件,做一个小型的CATV光链路常规设计。
工作量
2周时间,每天3学时,共计42学时
进度安排
两周时间,每天4个小时。
第一周:
第一天:实地考察
第二天:构思系统框架
第三天和第四天:查找相关资料,做笔记。
第五天:开始设计
第六天、第七天:查资料、做笔记,修改设计。
第二周:
第一天——第三天:写设计报告
第四天:完成
第五天——第七天:修改、查资料、修改,完成。
主要参考资料
[1]
[2](第二版).
[3]
[4](第二版).
[5]
指导教师签字
教研室主任签字

楼陈区域CATV光纤网络设计:8个光节点
摘要
近年来,“天上卫星传送,地上有线覆盖”的星网结合模式,不仅是21世纪实现广播电视覆盖的最佳方式,也将成未来信息网络的基础构架。这样,立足于现有的有线电视HFC网络,融入现代通信技术、宽带网络技术和多媒体技术,我们便可以打破传统的行业界限,有效地实现“三网融合”,建立起一个宽带高速的公用信息网络体系。本次课程设计主要设计的是简单的光纤干路部分,通过光发射机发射光信号,经过光分光器分路后送到各个光节点。
关键词:HFC、光纤网络、光分路器、光节点
目录
1 HFC光链路系统·······················································1
概述·······························································1
组成·······························································1
光纤·····························································1
同轴电缆·························································1
························································1
2 楼陈区域光纤网络设计·················································2
楼陈区域设计方案····················································2
设计原理及依据·····················································3
3 技术要求······························································6
4 系统指标分配与计算····················································7
····························································7
分光比······························································7
····························································8
光发射机功率确定····················································8
5光发射机及光接收机的选型············