Design and Implementation of Xinjiang Astronomical Observatory Astronomical Data Transmission Visualization System

Design and Implementation of Xinjiang Astronomical Observatory Astronomical Data Transmission Visualization System
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新疆天文台天文数据传输可视化系统的设计与实现

DOI:
10.1155/2019/8741027
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发表时间:
2019-04
影响因子:
1.4
通讯作者:
Huijuan Li
Huijuan Li
中科院分区:
物理与天体物理4区
文献类型:
--
作者:
Xinchen Ye;Hailong Zhang;Yan Zhu;Jie Wang;Tohtonur Ergesh;Huijuan Li

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随着天文观测技术的发展,天文设备产生的数据比以往任何时候都多。天文望远镜通常远离城市,因此望远镜与数据中心之间的远距离数据传输面临巨大挑战。建立了四层结构的天文数据传输可视化系统,对数据传输进行管理。该可视化系统采用四层结构:硬件层、系统层、中间层和可视化层。系统功能包括数据自动传输、传输过程日志记录、传输状态动态网页显示等。此外,中间层还包括一个报警子系统,可以自动向管理员发送系统异常信息.设计了相应的机制,保证系统的高稳定性,并通过自适应算法在网络不稳定时控制数据传输。经测试,该可视化系统能够在无人值守的情况下长时间稳定运行。该系统还为天文观测基地向数据中心自动传输数据提供了解决方案。
With the development of astronomical observation technology, astronomical devices produce more data than ever. Astronomical telescopes are usually far away from city, so the long-distance data transmission between telescope and data center faces great challenges. Visualization system of astronomical data transmission with four-layer structure was built to manage data transmission. Tis visualization system has a four-layer structure: hardware layer, system layer, middle layer, and visualization layer. System function includes automatic data transmission, log recording of transmission process, and display of the transmission status in dynamic web pages. Besides, the middle layer contains an alarm subsystem that can automatically send system exceptions to administrator. We also design corresponding mechanisms to ensure the high stability of the system and to control the data transmission when the network is unstable through adaptive algorithms. In test, this visualization system can run stably for a long time in unmanned manner. Tis system also provides a solution for the astronomical observation bases to automatically transmit data to the data center.
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