遥感卫星数据编目存档系统的研制

遥感卫星数据编目存档系统是卫星数据编目浏览的信息支撑中心。本文介绍了遥感卫星编目数据的特点,分析了编目存档系统的现状和存在的问题,论述了对编目存档系统进行研究的必要性,最后根据地理信息系统和计算机技术的发展状况提出了实现新型编目存档系统的几个要点。

Data Catalogue and Archive System of Remote Sensing Satellite

The Catalogue and Archive System, a basic work and important research task, is crucial for searching and browsing data in the remote sensing satellite application. In the first part of this paper, the characteristics of remote sensing satellite data catalogue are introduced. Then the actual status and remaining problems in some Catalogue and Archive Systems are analyzed. And the reasons why the operation is not efficient enough in these systems are pointed out. After discussion on the topic of the necessity of researching Catalogue and Archive System, several critical outlines of implementing a new type of Catalogue and Archive System, which are based on the new development of GIS and computer technology and being achieved by China Remote Sensing Satellite Ground Station, are described. These outlines include: (1) Integration oriented storage method is adopted for remote sensing satellite data archiving in order to maintain its integrity and consistency. (2) Time-dividing storage method is used for system's high availability, high performance and easy maintainability, which are very important to mass storage system. (3) Hybrid storage mode is introduced in integration oriented storage method for spatial data management and application. (4) Based on consideration of the characteristics of remote sensing satellite data catalogue, some advices on how to design the database of Catalogue and Archive System are also given.