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中文摘要：
行星着陆自主导航与制导控制技术是行星着陆过程的核心技术之一，关系到行星着陆任务的成败。本文基于未来火星和小天体着陆对自主导航与制导控制技术的发展需求，阐述了进一步开展自主导航与制导控制研究的必要性，围绕行星着陆过程环境特点，分析了自主导航与制导控制技术所遇到的挑战，随后概括了行星着陆自主导航与制导控制所涉及的关键技术，并综述了关键技术的研究现状。最后对我国未来行星着陆探测自主导航与制导控制技术的发展方向进行了展望。
英文摘要：
Autonomous navigation,guidance,and control is one of the key technologies for planetary landing,which has adirect impact on mission success. In this paper,the necessity and importance of the further research on the autonomousnavigation,guidance,and control are elaborated focusing on the developing demand for the Mars and small body landing missionin the future. Based on the environment features,the challenges encountered for the autonomous navigation,guidance,andcontrol are analyzed. Then and the key techniques involved are discussed,and the state-of-the-art techniques and research tendencyof the autonomous navigation for planetary landing are summarized. Finally,the development trends of the autonomousnavigation,guidance,and control for Chinese planetary landing mission in the future are previewed.
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