| 量子导航定位系统中的捕获和粗跟踪技术 |
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| 引用本文： | 丛爽,汪海伦,邹紫盛,尚伟伟,隋岩.量子导航定位系统中的捕获和粗跟踪技术[J].空间控制技术与应用,2017,43(1):1-10. |
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| 作者姓名： | 丛爽 汪海伦 邹紫盛 尚伟伟 隋岩 |
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| 作者单位： | 中国科学技术大学自动化系，合肥 230027;中国科学技术大学自动化系，合肥 230027;中国科学技术大学自动化系，合肥 230027;中国科学技术大学自动化系，合肥 230027;北京卫星信息工程研究所，天地一体化信息技术国家重点实验室 |
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| 基金项目： | 国家自然科学基金资助项目(61573330）和天地一体化信息技术国家重点实验室开放基金资助项目（2015_SGIIT_KFJJ_DH_04） |
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| 摘 要： | 量子导航定位系统需要借助于空间量子卫星信息通信系统来进行信号的捕获、跟踪和对准(acquisition,tracking and pointing,ATP).ATP系统是空间量子卫星信息通信的重要组成部分,涉及到量子通信链路的建立以及中断通信链路的恢复;粗跟踪和精跟踪的相互配合,可以确保通信双方处于通信状态,达到期望的信号跟踪性能.本文详细阐述用于量子导航定位系统的空间量子卫星通信的捕获阶段和粗跟踪的相关技术,重点分析捕获阶段中的初始指向技术、扫描技术、捕获阶段的精度及其性能,以及粗跟踪阶段的精度及其性能指标等关键技术.
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| 关 键 词： | 捕获 粗跟踪 量子导航 扫描 |
Techniques of Acquisition and Coarse Tracking in the
Quantum Navigation and Positioning System |
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| CONG Shuang,WANG Hailun,ZOU Zisheng,SHANG Weiwei and SUI Yan.Techniques of Acquisition and Coarse Tracking in the
Quantum Navigation and Positioning System[J].Aerospace Contrd and Application,2017,43(1):1-10. |
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| Authors: | CONG Shuang WANG Hailun ZOU Zisheng SHANG Weiwei and SUI Yan |
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| Institution: | Department of Automation, University of Science and Technology of China, Hefei, 230027,China;Department of Automation, University of Science and Technology of China, Hefei, 230027,China;Department of Automation, University of Science and Technology of China, Hefei, 230027,China;Department of Automation, University of Science and Technology of China, Hefei, 230027,China;Beijing Institute of Satellite Information Engineering, State Key Laboratory of
Space Ground Integrated Information Technology Beijing 100086 |
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| Abstract: | Quantum navigation and positioning systems require a quantum satellite information communication system for signal acquisition, tracking, and pointing (ATP). The ATP system is important for quantum satellite information communication, which involves establishing a quantum communication link and resuming it. Cooperation between coarse and fine tracking can ensure that communication between the two parties attains the desired signal tracking performance. In this paper, we describe in detail the acquisition phase and the coarse tracing technique of quantum satellite communication for quantum navigation systems. The initial pointing technique, scanning technique, precision and performance of the capture phase are analyzed. Stage precision, its performance index, and other key technologies are also discussed. |
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| Keywords: | acquisition coarse tracking quantum navigation scanning |
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