基于国际上成功着陆的火星探测任务和未来火星着陆探测技术的发展需求,阐述了火星进入段自主导航的必要性。首先总结了火星进入段自主导航技术的研究现状与发展趋势,随后分析了火星进入段自主导航的特点以及所面临的挑战,并概括了火星进入段自主导航所涉及的关键技术。最后对我国未来火星探测任务进入段的自主导航技术发展方向进行了展望。
Focusing on the successful Mars landing exploration missions and developing demand for Mars landing exploration missions in the future,the necessity and importance of autonomous navigation for Mars entry phase are elaborated.First,state-of-the-art techniques and research tendency of autonomous navigation for Mars entry phase are summarized.Then the characteristics and challenges encountered are analyzed,and key techniques involved are discussed synthetically.Finally,the development direction of Chinese Mars entry navigation technique for future Mars exploration missions is previewed.