Reflections on the national global emergency SAR system with BDS as the core(Invited)
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摘要: 应急搜救攸关国际义务、国家利益和人民生命财产安全，是我国人民生命安全体系和能力现代化的重要组成部分. 随着我国战略利益拓展，全球应急搜救保障需求现实而迫切. 本文阐述了我国应急搜救体系现状，分析了以北斗卫星导航系统(BeiDou Navigation Satellite System，BDS)为核心的特色搜救技术能力. 研判了我国应急搜救系统在用户体验、效能发挥、国际标准方面的不足，建议构建以北斗应急搜救服务为核心的国家全球应急搜救系统，消除痛点、堵点，实现信息融合共用，全面提升我国全球应急搜救能力. 推动北斗应急搜救服务全面进入国际标准体系，为世界提供新的公共服务产品，助力构建人类命运共同体.
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关键词:
- 北斗卫星导航系统(BDS) /
- 全球卫星导航系统(GNSS) /
- 搜索救援 /
- 生命安全 /
- 通导融合
Abstract: Emergency SAR (Search and Rescue) is of great significance to human life and property, economic development, national interests and the responsibility of a major country. And it is an important part of promoting the modernization of the life security system and capability. With the global expansion of China’s strategic benefits, the demand of global emergency SAR is becoming increasingly urgent. This paper expounds on the emergency SAR system in China and analyzes the SAR technical ability with BeiDou Navigation Satellite System (BDS) as the core. The challenges faced by China’s global emergency SAR system are also studied in terms of user experience improvement, efficiency development, international standards. It is important to construct national global emergency SAR system with BDS emergency SAR service as the core. And it is necessary to eliminate pain points and blockages, realize information fusion and sharing, and comprehensively improve China’s global emergency search and rescue capability. Additionally, it is suggested to promote the BDS SAR service to fully enter the international standard system, provide new public service products for the world, and help build a community with a shared future for mankind.-
Key words:
- BDS /
- GNSS /
- SAR /
- life security /
- integration of communication and navigation
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表 1 我国全球搜救技术体系发展情况
技术手段 载荷配置 使用频段 位置
精度发送频度 服务范围 采用标准 完成建设 国际组织认可 国际搜救(北斗) 中轨搜救 6 MEO 上行：UHF 5 km 50 s 全球 国际标准 2020年7月 2022年12月 返向链路 3 IGSO+24 MEO 下行：L - - 全球 自主设计 2020年7月 - 北斗(中高轨) 区域短报文 3 GEO 上行：L
下行：S10 m 30 s 我国周边 自主设计 2020年7月 2022年11月 全球短报文 14 MEO 上行：L
下行：L10 m 1 min 全球 自主设计 2020年7月 - 天地一体化
信息网络(低轨)星基ADS-B 数十颗LEO 上行：L 10 m
(GNSS)1 min 全球 国际标准 - - 
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