| 基于OTDM的铁路区间光纤通信系统复用电路设计 |
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| 引用本文： | 胡祖翰,罗斌,黄池翔,张志强,唐金成,潘炜.基于OTDM的铁路区间光纤通信系统复用电路设计[J].铁路计算机应用,2012,21(1):43-45. |
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| 作者姓名： | 胡祖翰 罗斌 黄池翔 张志强 唐金成 潘炜 |
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| 作者单位： | 西南交通大学 信息科学与技术学院,成都,610031%中铁八局电务工程有限公司 成都 610031 |
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| 摘 要： | 根据铁路区间通信的需求,本文提出一种基于OTDM(光时分复用)技术的铁路区间光纤通信系统的复用与解复用电路设计方案.对车站发送的同步码进行检测,根据检测结果实现各个无源光接口之间的时钟同步,实现了数据的复用与解复用,不同码率间的转换.试验结果表明设计具有可行性,可提供2M和64 k两种数据接口.
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| 关 键 词： | 区间通信 光时分复用 码率转换 |
| 收稿时间： | 2012-01-15 |
Multiplexing circuits design in Railway Section Optical Fiber Communication System based on OTDM |
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| HU Zu-han
,
LUO Bin
,
HUANG Chi-xiang
,
ZHANG Zhi-qiang
,
TANG Jin-cheng
,
PAN Wei.Multiplexing circuits design in Railway Section Optical Fiber Communication System based on OTDM[J].Railway Computer Application,2012,21(1):43-45. |
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| Authors: | HU Zu-han LUO Bin HUANG Chi-xiang ZHANG Zhi-qiang TANG Jin-cheng PAN Wei |
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| Institution: | 1.School of Information Science and Technology,Southwest Jiaotong University, Chengdu 610031,China; 2.China Railway 8th Group Electric Engineering Co.,Ltd,Chengdu 610031,China) |
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| Abstract: | In accordance with the demand of the railway section communication,the paper proposed a new data multiplexing/demultiplexing circuit design based on OTDM.The design solved the clock synchronization between multi passive optical interfaces via checking the synchronous code from the station,implemented the data multiplexing/demultiplexing and the conversion between different code rates.The results showed that the design was feasible,could provide both data interfaces 2 M and 64 k. |
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| Keywords: | section communication OTDM code rate conversion |
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