摘要
国际卫星搜救系统为航海、航空和陆地用户提供免费的遇险报警服务.按照国际搜救卫星组织中轨道卫星搜救实施计划的最新进展,介绍了国外全球卫星导航系统(GNSS)的返向链路服务,返向链路服务将作为一项先进功能,为遇险报警人员实现报警确认、双向搜救信息交互的能力,提升遇险人员的存活信心,依据北斗卫星导航系统(BDS)特色,对BDS中轨卫星搜救系统的返向链路技术发展与建设应用进行探讨.
COSPAS-SARSAT provides free distress alert services to marine,aerospace and terrestrial users.According to the latest progress of COSPAS-SARSAT implementation plan for medium earth orbit satellite search and rescue,the return link service of other global navigation satellite systems will be introduced.The return link service will serve as an advanced function to realize alarm confirmation and two-way search and rescue information for distressed personnel,enhancing the survival confidence.Based on the characteristics of BeiDou Satellite Navigation System(BDS),the development and application of return link technology of BDS MEOSAR are discussed.
作者
高雅
何泽骅
GAO Ya;HE Zehua(China Transport Telecommunications and Information Centre,Beijing 100011,China;CETC Maritime Electronics Research Institute Co.,Ltd,Ningbo 315040,China)
出处
《全球定位系统》
CSCD
2019年第6期14-19,共6页
Gnss World of China
基金
国家重点研发计划(2017YFC1404703)
