卫星遥感面临应用的新挑战

Challenge to Satellite Remote Sensing from the New Applications

遥感以对地观测为主体,属于空间技术应用领域的重要组成部分。20年来,我国遥感应用经历了引进消化的初级阶段,基本上形成了具有中国特色的、规模比较完整的技术体系。在国土资源、海洋环境调查、煤田与油气田勘探、黄金与多金属找矿、作物、草场长势监测与估产、冰雪水源与洪水灾情预报、大坝与电站选址论证、城市环境监测与规划管理等许多方面,取得了显著的成绩和社会经济效益。可以说,遥感应用已经由适应性实验阶段进入业务阶段。在经济建设部门建立了200多个专业性应用单位。

A relative perfect space technological stereo-system for earth observation has been established in China. Through more than ten years' efforts, the 3 Scientific Technological Experiment Satellite and meteorological satellite FY-1 have been successfully launched. Their ground receiving station of the remote sensing satellites have been also founded and hundreds of image processing systems purchased. Nevertheless, the lack of coverage all over the country and real time satellite information sources still remains as a problem since the urgent needs at present are to survey the dynamic changes of water and land resources; to timely monitor and forecast the heavy natural disasters; to meet the requests of urban planning and regional development; and to carry out international exchange and cooperation to a national extent. The author appeals for taking national remote sensing causes as a systemmatic information project to fully explore the potentialities of Chinese scientists and technicians and existing instruments, to form an operational system capable of match processing, to perform further improvements to the two application systems both of space-borne and aerial-borne, and finally to make remote sensing information service network shaped. Meanwhile, the basic studies of transmission and mechanism on remote sensing information should be strengthened to improve the utilizing efficiency.