【摘要】 分析了汶川地震救援对卫星导航定位及应急通信的需求,简要介绍了北斗卫星导航技术、功能及导航卫星特点,总结了北斗卫星导航系统在这次汶川地震中的应用情况,最后提出了建设我国北斗导航卫星系统的建议。更多还原

【Abstract】 The requirements for navigation,positioning and emergency communication for the rescue of Wenchuan earthquake are analyzed in this paper.The technology,functions and characteristics of Beidou satellite navigation system are introduced briefly.It also summarizes the typical applications of Beidou satellite navigation system in the rescue of Wenchuan earthquake.The propositions of development of Beidou satellite navigation system are given finally.更多还原