光缆线路工程设计毕
业
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光缆线路工程设计
摘要
当今的通信方式是以光纤通信为主，微波、卫星通信为辅的格局。也正因如此，光纤通信的发展显得越发重要。
随着国际互连网等信息技术的普及应用，加之由于经济的快速发展，人们对通信的需求更加强烈，这要求光纤通信向着大容量，高速率，远距离方向迅猛发展。光网络的发展又使得光缆的新结构不断涌现，新一代的全光网络要求光缆提供更宽的带宽、容纳更多的波长、传送更高的速率、便于安装维护、使用寿命更长等。由此光缆的种类也趋于多样化，对一些特殊环境更有特种光缆来满足特殊的要求。
随着中央政府加大对农村经济的扶持和投资，贵州黔西南州的经济得到快速发展，广大农民的富裕度得到迅速的提高，人们在生活、商贸、工作中对移动通信的需求越来越大，对通信质量要求也越来越高；因此贵州通信服务公司本着回报社会的态度，决定加大对农村的投入，扩大信号覆盖面，为百姓的经济发展服务，于是提出了安龙等村通二期工程。
光缆线路工程设计的研究表明，在同一地区的不同地段，对于光纤和路由的选取、敷设都是不同的，根据具体的现场情况和经济、建设要求做出正确的、合理的选择，是保证光纤通信系统长期、稳定、安全工作的前提。对于光缆的敷设也有各种具体的要求，同样保证光纤通信的正常工作。系统的调试开通与验收，后期的维护都是光缆工程必不可少的工作。
【关键词】：光缆线路，光纤，工程设计，概、预算
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ABSTRACT
Today's communication is based on optical fiber telecommunications, microwave and satellite communications supplemented pattern.For this reason, the development of optical communication is becoming more and more important.
As international Internet and other information technologies widely used, And because of the rapid economic development, for the communications needs of more intense, require fiber communication toward large-capacity, high-speed, the rapid development of long-range direction. The development of optical network cable also makes the new structure will continue to emerge. The new generation of all-optical cable network requirements for wider bandwidth to accommodate more wavelengths and higher transmission rate, ease of installation and maintenance, such as longer life expectancy.This type of cable is also tending to diversify ,for some special environment more special cable to meet special requirements.
Along with the central government to increase rural economic support and investment, the Guizhou Qianxinan’s economic have got rapid development, The wealth of the majority of farmers was rapidly increased, people in life, business, work on the Mobile Communication growing demand for quality communications are increasingly high requirements; Therefore Guizhou communications services company in return society's attitude and decided to increase their investment in rural areas and expand signal coverage, for the people in the economic development of services, and the second project about villages such as Anlong. Optical Cable Design Research shows that in the same area lots, and fiber routing selection, installation is different, according to the specific circumstances and the economy, the demand to make a correct and reasonable choice is the guarantee of optical fiber communications system long-term, stable, safe working premise. Cable installation for a variety of
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specific demands, and also assue optical fiber communications normal work. Debugging system opened and accepted later, the cable maintenance works are essential to the work.
Key words：Fiber optic cable circuit，Fiber optic，The engineering design，Budgetary Estimate and Budget.
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摘要................................................................................................................I ABSTRACT .....................................................................................................I I 绪论 (1)
1光纤通信概论 (2)
1．1光纤通信简史 (2)
1．2光纤通信的特点 (2)
1．3光纤通信发展趋势 (3)
2光纤及光纤的测量 (5)
2．1光纤的传输特性 (5)
2．1.1衰减 (5)
2．1.2色散 (5)
2．1.3偏振模色散 (6)
2．1.4光纤的非线性效应 (6)
2．2光纤类型 (6)
2．3光纤的基本参数 (7)
2．4光纤传输参数的测量 (8)
2．4．1光纤衰减特性的测量 (8)
2．4．2光纤的基带响应与带宽 (9)
2．4．3单模光纤的色散及测量 (10)
2．4．4偏振模色散测量 (11)
3光缆 (13)
3．1光缆特点 (13)
3．2光缆分类 (13)
3．3光缆技术的发展特点 (13)
4光纤通信系统 (16)
4．1光纤通信系统的基本构成 (16)
4．2系统的参考模型 (16)
4．3数字光纤通信系统的传输体制 (17)
4．4传输辅助系统 (18)
4．5系统的性能指标 (20)
4．5．1误码率 (20)
4．5．2抖动 (20)
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4．5．3可靠性 (20)
5光缆线路工程设计 (21)
5．1光缆线路设计的原则和内容 (21)
5.1.1光缆线路路由选择原理 (21)
5.1.2光缆线路敷设方式选择原理 (22)
5．1．3光缆选型 (22)
5．1．4传输设计 (23)
5．1．5缆线路的防护设计原理 (25)
5．2光缆通信项目介绍 (28)
5．2．1工程概况 (28)
5．2．2设计依据 (28)
5．2．3设计范围 (28)
5．2．4设计思路 (29)
5．2．5设计内容及分工 (29)
5．2．6主要工程量 (30)
5．2．7工程投资与技术经济指标 (30)
5．2．8光缆线路路由选定 (30)
5．3需求分析 (33)
5．3．1光缆及光缆接头盒主要技术性能要求 (33)
5．3．2钢筋混凝土电杆性能要求 (36)
5．3．3各种铁件 (36)
5．3．4杆路建筑 (36)
5．3．5光缆中继段计算 (38)
5．3．6光缆线路路由复测 (39)
5．3．7光缆预留及重迭布放长度 (40)
5．4光缆线路敷设安装 (40)
5．4．1光缆线路敷设安装要求 (40)
5．4．2架空光缆的敷设安装 (41)
5．4．3站内光缆引入安装 (42)
5．5光缆的接续 (42)
5．6光缆线路防护要求与措施 (43)
5．6．1站内光缆保护 (43)
5．6．2架空光缆保护 (43)
5．6．3光缆防雷 (43)
5．6．4防强电 (44)
5．6．5其他需要说明的有关问题 (45)
6光缆线路工程预算 (46)
6．1概述 (46)
6．2预算编制依据 (47)
6．3有关单价、费率及费用的取定 (48)
7工作总结和心得体会 (50)
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7.1工作总结 (50)
7．2心得体会 (50)
致谢 (51)
参考文献： (52)
附录：英文文献翻译 (53)
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