Core Insights - The Beidou satellite navigation system has entered a new phase of large-scale application, integrating into national infrastructure and various sectors including aviation and maritime [2][3] - The system has achieved significant advancements in precision and stability, with positioning accuracy improving from ten meters to sub-meter levels [3][4] - The next generation of the Beidou system aims to enhance technology and service quality, with plans for a lunar navigation system by 2035 [8][9] Technological Upgrades - The Beidou system has upgraded its onboard atomic clock and introduced new inter-satellite link terminals, enhancing timing precision to a level of one second error every 300 million years [4][5] - The new inter-satellite link technology allows for improved communication and data transmission between satellites, reducing the need for ground stations [4][5] - The system's Ka-band phased array inter-satellite link technology has improved orbit determination accuracy to centimeter-level [5] New Applications - The integration of the Beidou system with big data, AI, IoT, and 5G technologies has led to innovative applications across various industries [6] - An example includes the synchronization of traffic lights using Beidou's precise timing signals, improving traffic flow and efficiency [6][7] - As of the end of 2024, nearly 30 million Beidou terminal devices are expected to be in use, with over 2.3 billion compatible chips shipped [7] Future Trends - The next generation of the Beidou system is set to be more advanced, with key technology development already underway, aiming for a lunar navigation system by 2035 [8][9] - The establishment of a three-satellite constellation in the Earth-Moon space is a significant step towards creating a unified time-space reference for both Earth and lunar users [9]

探索的脚步没有就此停下。中国科学院空间应用中心副主任、地月空间DRO探索研究先导专项工程副 总指挥王强介绍，三星互联组网成功后，研究团队持续开展了多项前沿科学实验及新技术试验，推动地 月空间DRO探索研究取得了一系列实质性突破：在国际上首次实现航天器DRO低能耗入轨；在国际上 首次实现百万公里级星与星、星与地微波建链，掌握了地月空间大尺度星座构建核心关键技术；在国际 上首次验证了地月空间卫星跟踪卫星定轨导航新质能力。 "作为连接地球、月球和深空的交通枢纽，DRO是地月空间的天然良港。"王文彬说，就如通过航海发现 新大陆、利用空气动力实现洲际飞行、利用火箭进入太空一样，地月空间DRO有望成为未来空间科学 探索的新空域、部署空间应用基础设施的新高地、服务支援空间飞行器的新基地、支持载人深空探索的 新起点。 2022年2月，中国科学院启动实施A类战略性先导专项"地月空间DRO探索研究"。2024年2月3日，首颗 试验卫星DRO-L成功进入太阳同步轨道，并正常开展相关实验。2024年3月13日，DRO-A/B双星组合体 在西昌卫星发射中心发射升空，运载火箭一二级飞行正常，但由于上面级飞行异常，卫星未准确进入预 定轨道 ...