我国月球软着陆探测技术发展成就OA北大核心CSTPCD

The main characteristics and difficulties of the lunar soft-landing exploration mission in terms of environment,roaming,long-time survive,TT&C(telemetry,tracking and command)and telecommunication are analyzed in this paper.The mission objective,system component and flight process of China's first lunar soft-landing mission on the near-side and far-side of the lunar surface are introduced.The technology development and innovation of the probes in 9 aspects are also analyzed,including overall design of the probe,guidance,navigation and control,high-efficient propulsion system and high-thrust engine,lunar landing buffer,surface roaming,auto-nomous navigation and control,thermal control and survive in lunar night,relay communications and scientific exploration.The main achievements are summarized.