CN104038302B - 适用于dwdm光传输系统的超精密时间频率传递方法 - Google Patents
适用于dwdm光传输系统的超精密时间频率传递方法 Download PDFInfo
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Abstract
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光缆距离 | 500km | 1000km | 2000km | 4000km |
标称时延 | 2.5ms | 5.0ms | 10.0ms | 20.0ms |
标称时码 | 400PPS | 200PPS | 100PPS | 50PPS |
λ(nm) | 100km时延值(ns) |
1300.00 | 489540.95 |
1527.22 | 489724.68 |
1530.22 | 489730.11 |
1550.00 | 489761.00 |
1550.12 | 489761.29 |
1550.52 | 489761.95 |
1598.04 | 489847.50 |
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CN104038302A CN104038302A (zh) | 2014-09-10 |
CN104038302B true CN104038302B (zh) | 2016-09-21 |
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Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
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CN106034003B (zh) * | 2015-03-10 | 2019-05-17 | 四川泰富地面北斗科技股份有限公司 | 基于双纤传递超精密时间频率信号的方法 |
EP3264639B1 (en) | 2015-03-19 | 2019-05-08 | Huawei Technologies Co., Ltd. | Optical signal frequency calibration method and device |
CN104993896A (zh) * | 2015-05-14 | 2015-10-21 | 四川泰富地面北斗科技股份有限公司 | 一种由专用光路由组成的授时系统及其实现方法 |
CN104954093B (zh) * | 2015-06-29 | 2017-07-04 | 北京无线电计量测试研究所 | 一种基于光纤的高精度远程时间传递系统及方法 |
CN106330374B (zh) * | 2016-08-19 | 2019-08-02 | 四川泰富地面北斗科技股份有限公司 | 统一时间频率基准的光纤支撑网络 |
EP4336771A3 (en) * | 2016-08-30 | 2024-06-12 | Finisar Corporation | Bi-directional transceiver with time synchronization |
CN106612151A (zh) * | 2016-12-12 | 2017-05-03 | 武汉滨湖电子有限责任公司 | 一种多通道dds间同步输出设备及同步方法 |
CN108768506B (zh) * | 2018-04-08 | 2021-06-01 | 四川泰富地面北斗科技股份有限公司 | 一种基于共同门限的多元多频共视比对授时方法 |
CN109302258B (zh) * | 2018-12-13 | 2021-06-01 | 中国科学院国家授时中心 | 一种光纤时间传递中时延偏差的自动补偿装置及方法 |
CN109799580B (zh) * | 2019-01-11 | 2020-08-04 | 中国科学院上海光学精密机械研究所 | 用于单纤双向传递的双倍延时线 |
CN113252088B (zh) * | 2021-05-18 | 2022-09-13 | 电子科技大学 | 一种多波长的分布式光纤传感系统及方法 |
Citations (5)
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CN101902292A (zh) * | 2009-12-30 | 2010-12-01 | 西安大唐电信有限公司 | 一种基于光传输网络的utc高精度时间同步方法 |
CN101977105A (zh) * | 2010-11-11 | 2011-02-16 | 西安大唐电信有限公司 | 一种时间延迟不对称差值自动均衡锁相补偿方法 |
CN102916743A (zh) * | 2012-08-01 | 2013-02-06 | 大唐电信(成都)信息技术有限公司 | 一种时间延迟不对称差值精准测量的方法 |
CN103441795A (zh) * | 2013-08-29 | 2013-12-11 | 成都泰富通信有限公司 | 一种光通信网络中光纤传输时延的在线监测方法 |
CN103546224A (zh) * | 2013-10-11 | 2014-01-29 | 成都泰富通信有限公司 | 单纤特高精度时间传递方法 |
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CN101977105A (zh) * | 2010-11-11 | 2011-02-16 | 西安大唐电信有限公司 | 一种时间延迟不对称差值自动均衡锁相补偿方法 |
CN102916743A (zh) * | 2012-08-01 | 2013-02-06 | 大唐电信(成都)信息技术有限公司 | 一种时间延迟不对称差值精准测量的方法 |
CN103441795A (zh) * | 2013-08-29 | 2013-12-11 | 成都泰富通信有限公司 | 一种光通信网络中光纤传输时延的在线监测方法 |
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