SVOM数据档案库软件原型系统的设计与实现  

Design and Implementation of a Prototype of the SVOM Science-Data Archive System

作　　者：王玉涵[1,2] 黄茂海[1] 刘飞飞[1] 

机构地区：[1]中国科学院国家天文台,北京100012 [2]中国科学院大学,北京100049

出　　处：《天文研究与技术》2015年第3期331-341,共11页Astronomical Research & Technology

基　　金：国家自然科学基金(U1231115)资助

摘　　要：作为中法天文卫星(Space multi-band Variable Object Monitor,SVOM)中方科学中心的重要组成部分,中法天文卫星数据档案库承担了中方科学数据产品本地存储和管理的任务,提供统一的数据产品管理平台,实现中法天文卫星科学数据产品的归档、检索、检出、维护与管理等功能。作为中法天文卫星科学中心预研的一部分,对中法天文卫星数据档案库原型系统进行了需求分析、系统设计,实现能够运行的原型系统,以演示中法天文卫星数据档案库的基本功能和工作流程,验证设计方案的可行性。档案库原型系统具有开放性和低耦合的特点,能够适应中法天文卫星中方数据产品结构的不断变化,在项目早期即可投入试用并不断完善,满足中法天文卫星的任务需求。The SVOM Science-data Archive （SSA） is part of the Chinese Science Center （CSC） of the SVOM Satellite Ground Segment. The SSA system is to store and manage data from the SVOM in the CSC. The SSA serves as a unified platform for SVOM data management, and it incorporates functions such as those of data storage, data query, data retrieval, and data maintenance. The SSA can thus be highly helpful to researchers in data processing. As part of a preliminary study to demonstrate and validate basic functions, workflows, and feasibility of the SSA, we have designed and implemented an operational prototype of the SSA based on system-requirement analysis and system design. The prototype is of the 3-Tier C/S architecture with 3 layers being the View, Function, and Data Layers, respectively. This structure separates functions of the server end from those of the client end so as to reduce interferences between different modules, which makes it more convenient to maintain and expand the system. The system was developed using the Java as the programming language. The choice of the Java is ideal because of its cross-platform compatibility. With its open architecture and low-level couplings between subsystems, the prototype can accommodate continuously evolving data structures of products of the CSC, and it can be used in the early phase of SVOM satellite- payload development. The prototype can be improved to meet SVOM mission requirements.

关 键 词：空间天文 数据档案库 三层C/S架构 SVOM 赫歇尔 

分 类 号：TP309.06[自动化与计算机技术—计算机系统结构]