有线电视网络课程设计---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]刘剑波.有线电视网络.中国广播电视出版社.2003.1[2]赵坚勇.数字电视技术（第二版）.西安电子科技大学出版社.2011.4[3]黄宪伟.有线电视系统设计维护与故障检修.人民邮电出版社.2009.11[4]杜庆波.光纤通信技术与设备（第二版）.西安电子科技大学出版社.2012[5]孙强.光纤通信系统及网络.科学出版社.2011.5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1HFC光链路系统·······················································11.1概述·······························································11.2组成·······························································11.2.1光纤·····························································11.2.2同轴电缆·························································11.2.3用户分配网························································12楼陈区域光纤网络设计·················································22.1楼陈区域设计方案····················································22.2设计原理及依据·····················································33技术要求······························································64系统指标分配与计算····················································74.1光纤损耗····························································74.2分光比······························································74.3链路损耗····························································84.4光发射机功率确定····················································85光发射机及光接收机的选型··············································95.1光发射机的选型······················································95.2光接收机的选型························