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深空探测可以帮助人类研究太阳系及宇宙的起源、演变和现状,进一步认识地球环境的形成和演变,认识空间现象和地球自然系统之间的关系,因而具有重大的科学与技术意义。由于日地系统拉格朗日点附近的航天器编队适宜进行深空观测等科学使命,所以日地系统拉格朗日点航天器编队飞行技术就成为深空探测的重要技术之一。本文通过分析美欧若干日地系统拉格朗日点编队飞行使命,介绍了该项技术的发展现状,分析了拉格朗日点在深空探测中的战略地位,总结了日地系统拉格朗日点编队飞行的关键技术,并对这些关键技术进行了分析。
Deep space exploration can help human beings to study the origin, evolution and current status of the solar system and the universe. It is of great scientific and technological significance to further understand the formation and evolution of the Earth’s environment and to understand the relationship between the space phenomenon and the Earth’s natural system. Due to the scientific mission of spacecraft formation near the Lagrangian point of the solar system, deep space flight observation and other scientific missions are required. Therefore, the Lagrange spacecraft formation flying technology of the Japanese-to-Earth system has become one of the important technologies for deep space exploration. This paper analyzes the mission of Lagrange point formation in a number of Japanese and European systems in the United States and Europe, introduces the current status of the technology, analyzes the strategic position of Lagrangian point in deep space exploration, Long day point formation flight of the key technologies, and analysis of these key technologies.