【人民日报】提供安全可靠的低轨卫星互联网服务

Core Viewpoint - The development of the Qianfan satellite constellation aims to provide global high-speed, real-time, secure, and reliable low-Earth orbit satellite internet services, effectively extending internet connectivity from the ground to space [1][5]. Group 1: Technological Innovations - The Qianfan satellite constellation requires a high number of satellites, with a target of 324 satellites to be launched within one to two years, and potentially doubling that number for full commercial realization [1]. - The project has adopted a "one rocket, 18 satellites" launch mode to reduce costs and increase the number of satellites deployed, marking a new path for large-scale satellite manufacturing and launching [1]. - Innovations include a flat integrated structure for satellites, the use of a rotating separation technology for stacked launches, and the implementation of krypton gas propulsion to significantly lower costs [1][2]. Group 2: Challenges and Iterative Development - The transition to a flat satellite structure required extensive redesign and testing, including simulations to ensure safe separation during launches [2]. - The project faces challenges in aligning user needs with application scenarios, necessitating collaborative innovation and feedback loops between enterprises and research institutions [2][4]. - The strategy of "developing one generation, pre-researching another, and planning a third" allows for continuous iteration and improvement of satellite designs based on real-world feedback [2][4]. Group 3: Application and Future Vision - The Qianfan satellite constellation is actively testing and demonstrating applications, aiming to provide seamless communication in remote areas, such as oceans and forests, where traditional internet access is limited [3][5]. - The project envisions a future where high-definition communication is possible in various scenarios, such as on ships in the Pacific or in remote agricultural areas [3]. - The initiative is part of a broader goal to establish a global, high-speed, and reliable low-Earth orbit satellite internet, ensuring national strategic security and autonomy in the space internet domain [5].