激光与光电子学进展, 2019, 56 (1): 011204, 网络出版: 2019-08-01 复制并引用该论文  本文已被引 4 次  被引通知

图 & 表

图 1. 光纤时间传递设备原理框图

Fig. 1. Block diagram of fiber-time-frequency transfer device

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图 2. 光纤时间传递装置链路时间同步精度测试(1PPS信号)

Fig. 2. Accuracy test of time synchronization between local and remote terminals in fiber-time-frequency transfer device (1PPS signal)

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图 3. 光纤时间频率传递装置。(a)远端信号接收端;(b)本地信号发射端

Fig. 3. Fiber-time-frequency transfer device. (a) Remote signal receiving terminal; (b) local signal transmitting terminal

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图 4. 1.56 m/60 cm双望远镜系统对固定在1.56 m望远镜上靶目标激光测量

Fig. 4. Laser ranging to ground targets installed at 1.56 m telescope by 1.56 m/60 cm dual-receiving telescope system

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图 5. 1.56 m望远镜测量Glonass128卫星距离残差图。(a) 10 MHz信号相同源的残差图;(b) 10 MHz信号不同源的残差图;(c) 10 MHz信号相同源的残差图

Fig. 5. Range residual from Glonass128 satellite measured by 1.56 m telescope. (a) Range residual when using 10 MHz signal from the same source; (b) range residual when using 10 MHz signal from the different source; (c) range residual when using 10 MHz signal from the same source

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图 6. 1.56 m望远镜实时测量北斗IGSO5(Compassi5)卫星距离残差结果

Fig. 6. Range residual from Beidou IGSO5 (Compassi5) satellite measured by 1.56 m telescope

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图 7. 1.56 m望远镜对(a) Lageos2和(b)北斗IGSO3卫星测量距离误差

Fig. 7. Range errors from (a) Lageos2 and (b) Beidou IGSO3 satellites measured by 1.56 m telescope

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表 11.56 m和60 cm口径望远镜系统的主要参数

Table1. Specifications of 1.56 m and 60 cm optical telescopes

Item 1.56 m telescope 60 cm telescope Receiving telescope R-C system R-C system Tracking mount Equatorial Altazimuth Focus length /m 15.6 5.2 Diameter of secondary mirror /m 0.5 0.2 Efficiency of receiving optical system(@532 nm) /% 50 60 Efficiency of laser detector(@532 nm) /% C-SPAD,20 C-SPAD,20 FOV of detection /(″) 45 135 Tracking precision (RMS) /(″) 2 1 Timing system A033 event timer A033 event timer Time and frequency source End run Symmetricom @XLi Efficiency of laser transmitting system(@532 nm) /% none 65 Laser system(@1 kHz) /W none 1 Diameter of laser transmitting telescope /cm none 21 Divergence of laser signal /(″) none 8-10

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张海峰, 邓华荣, 龙明亮, 程志恩, 张忠萍, 赵罡, 王家亮. 基于光纤时间频率传递的多望远镜激光测距时间同步研究[J]. 激光与光电子学进展, 2019, 56(1): 011204. Haifeng Zhang, Huarong Deng, Mingliang Long, Zhien Cheng, Zhongping Zhang, Gang Zhao, Jialiang Wang. Time Synchronization in Laser Ranging with Multi-Receiving Telescopes Based on Fiber-Time-Frequency Transfer[J]. Laser & Optoelectronics Progress, 2019, 56(1): 011204.