高精度光纖時(shí)間頻率一體化傳遞

楊文哲; 楊宏雷; 王學(xué)運(yùn); 張升康; 趙環(huán); 楊軍; 馮克明

doi:10.11999/JEIT180807

高精度光纖時(shí)間頻率一體化傳遞

doi: 10.11999/JEIT180807

楊文哲^{1, 2, 3},
楊宏雷^{1, 2, 3},
王學(xué)運(yùn)^{1, 2, 3},
張升康^{1, 2, 3, ,},
趙環(huán)^{1, 2, 3},
楊軍^{1, 2, 3},
馮克明³

1.
北京無(wú)線電計(jì)量測(cè)試研究所 ??北京 ??100854
2.
計(jì)量與校準(zhǔn)技術(shù)國(guó)家重點(diǎn)實(shí)驗(yàn)室 ??北京 ??100854
3.
中國(guó)航天科工集團(tuán)第二研究院 ??北京 ??100854

詳細(xì)信息

作者簡(jiǎn)介:
楊文哲：男，1991年生，博士生，研究方向?yàn)闀r(shí)間同步與校準(zhǔn)技術(shù)等

楊宏雷：男，1990年生，工程師，研究方向?yàn)楣忸l梳及其精密測(cè)量應(yīng)用等

王學(xué)運(yùn)：男，1982年生，高級(jí)工程師，研究方向?yàn)闀r(shí)間同步與校準(zhǔn)技術(shù)等

張升康：男，1980年生，研究員，研究方向?yàn)闀r(shí)間同步與校準(zhǔn)技術(shù)等

趙環(huán)：女，1980年生，高級(jí)工程師，研究方向?yàn)楣鈱W(xué)等

楊軍：男，1970年生，研究員，研究方向?yàn)槭貢r(shí)與時(shí)間同步技術(shù)等

馮克明：男，1966年生，研究員，研究方向?yàn)樾盘?hào)與系統(tǒng)等

通訊作者:
張升康　Shengkang.zhang@hotmail.com

中圖分類(lèi)號(hào): TN929.11
計(jì)量
- 文章訪問(wèn)數(shù): 3653
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- 被引次數(shù): 0
出版歷程
- 收稿日期: 2018-08-17
- 修回日期: 2019-01-28
- 網(wǎng)絡(luò)出版日期: 2019-02-16
- 刊出日期: 2019-07-01

High Precision Time and Frequency Integration Transfer via Optical Fiber

Wenzhe YANG^{1, 2, 3},
Honglei YANG^{1, 2, 3},
Xueyun WANG^{1, 2, 3},
Shengkang ZHANG^{1, 2, 3
, ,},
Huan ZHAO^{1, 2, 3},
Jun YANG^{1, 2, 3},
Keming FENG³

1.
Beijing Institute of Radio Metrology and Measurement, Beijing 100854, China
2.
Science and Technology on Metrology and Calibration Laboratory, Beijing 100854, China
3.
The Second Academy of China Aerospace, Beijing 100854, China

摘要

摘要: 為滿足各工程應(yīng)用領(lǐng)域?qū)τ诟呔葧r(shí)間頻率同步的需求，降低系統(tǒng)復(fù)雜度，保障大規(guī)模光纖時(shí)頻傳遞網(wǎng)絡(luò)的順利建設(shè)，該文提出基于偽碼調(diào)制技術(shù)的光纖時(shí)間頻率一體化傳遞方法，設(shè)計(jì)并搭建了光纖時(shí)間頻率一體化傳遞系統(tǒng)，完成了光纖單向和雙向時(shí)頻一體化傳遞。在單向時(shí)頻傳遞試驗(yàn)中，分析了溫度變化對(duì)于系統(tǒng)傳輸時(shí)延的影響；在雙向時(shí)頻傳遞試驗(yàn)中，實(shí)現(xiàn)了時(shí)間頻率的高精度傳遞，系統(tǒng)附加時(shí)間傳遞抖動(dòng)為0.28 ps/s, 0.82 ps/1000 s，附加頻率傳遞不穩(wěn)定度為4.94×10^–13/s, 6.39×10^–17/40000 s。試驗(yàn)結(jié)果表明，該方法實(shí)現(xiàn)了時(shí)間、頻率一體化高精度同步，且系統(tǒng)附加時(shí)間傳遞抖動(dòng)優(yōu)于目前各光纖時(shí)間同步方案。
- 光纖 /
- 時(shí)間傳遞 /
- 頻率傳遞 /
- 偽碼調(diào)制
Abstract: To satisfy the demand of the high precision time and frequency synchronization for engineering application, to reduce system complexity and ensure the construction of large-scale optical fiber network for time and frequency transmission, a method of high precision time and frequency integration transfer via optical fiber based on pseudo-code modulation is developed. The optical fiber time and frequency transfer system is designed and built. The unidirectional and bidirectional time and frequency transfer test via optical fiber are completed. In the unidirectional time-frequency transfer test, the influence of temperature change on the transmission delay of the system is analyzed. In the bidirectional time-frequency transfer test, the system additional time transfer jitter is 0.28 ps/s, 0.82 ps/1000 s, the additional frequency transfer instability is 4.94×10^–13/s, and 6.39×10^–17/40000 s. The results show that the proposed method achieves high precision time and frequency integration synchronization, and the system additional time transfer jitter is better than the current optical fiber time synchronization schemes.
- Optical fiber /
- Time transfer /
- Frequency transfer /
- Pseudo-code modulation

HTML全文

圖 1 光纖單向時(shí)間頻率一體化傳遞原理圖

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圖 2 光纖單向時(shí)間頻率一體化傳遞系統(tǒng)裝置圖

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圖 3 時(shí)延測(cè)量結(jié)果與溫度變化曲線

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圖 4 單向傳遞系統(tǒng)頻率傳遞穩(wěn)定度曲線

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圖 5 光纖雙向時(shí)間頻率一體化同步原理圖

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圖 6 光纖雙向時(shí)間頻率一體化同步試驗(yàn)系統(tǒng)裝置圖

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圖 7 光纖雙向時(shí)間同步結(jié)果

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圖 8 光纖雙向時(shí)間傳遞穩(wěn)定度結(jié)果

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圖 9 光纖雙向頻率傳遞穩(wěn)定度結(jié)果

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表 1 光纖雙向傳遞實(shí)驗(yàn)結(jié)果與國(guó)際頂尖實(shí)驗(yàn)結(jié)果比對(duì)

方案	年份	傳輸距離(km)	時(shí)間同步穩(wěn)定度結(jié)果		頻率傳遞穩(wěn)定度結(jié)果
方案	年份	傳輸距離(km)	秒穩(wěn)定度(ps/s)	長(zhǎng)期穩(wěn)定度	秒穩(wěn)定度(/s)	長(zhǎng)期穩(wěn)定度
文獻(xiàn)[23]	2014	300	40	11 ps/86400 s	—	—
文獻(xiàn)[20]	2015	120	30	0.7 ps/1000 s	—	—
文獻(xiàn)[24]	2015	短光纖(米級(jí))	0.3	20 fs/10000 s	—	—
文獻(xiàn)[16]	2010	204	—	—	6×10^–14	5×10^–17/10⁵ s
文獻(xiàn)[18]	2012	80	—	—	7×10^–15	5×10^–19/86400 s
本文	2018	100	0.28	1.19 ps/10000 s	4.94×10^–13	6.39×10^–17/40000 s

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