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本文论述了综合利用ＧＩＳ和ＧＰＳ技术，研究解决了电子地图管理、三维地 图的算法模型与生成方法、搜索救援最优路径选择模型与算法等技术难题，研究结 果有利于提高飞船着陆救生的自动化指挥水平，以满足载人航天任务着陆救生的快 速救援需要。
This paper discusses the comprehensive utilization of GIS and GPS technology, and studies and solves the technical problems of electronic map management, algorithm model and generation method of 3D map, search and rescue optimal path selection model and algorithm, etc. The research results are helpful to improve the automation command of spacecraft landing lifesaving Level to meet the rapid rescue needs of manned space missions landing life-saving.