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Regionalized Lunar South Pole Surface Navigation System Analysis

机译:区域月球南极地面导航系统分析

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摘要

Apollo missions utilized Earth-based assets for navigation because the landings took place at lunar locations in constant view from the Earth. The new exploration campaign to the lunar south pole region will have limited Earth visibility, but the extent to which a navigation system comprised solely of Earth-based tracking stations will provide adequate navigation solutions in this region is unknown. This report presents a dilution-of-precision (DoP)-based, stationary surface navigation analysis of the performance of multiple lunar satellite constellations, Earth-based deep space network assets, and combinations thereof. Results show that kinematic and integrated solutions cannot be provided by the Earth-based deep space network stations. Also, the stationary surface navigation system needs to be operated either as a two-way navigation system or as a one-way navigation system with local terrain information, while the position solution is integrated over a short duration of time with navigation signals being provided by a lunar satellite constellation.
机译:阿波罗(Apollo)任务利用地球资产进行导航,因为降落发生在月球位置,并始终保持着地球的视野。对月球南极地区进行的新勘探活动将限制地球的能见度,但是仅由基于地球的跟踪站组成的导航系统能否在该地区提供足够的导航解决方案尚不清楚。本报告介绍了基于精确度稀释(DoP)的固定月面导航分析,该分析涉及多个月球卫星星座,基于地球的深空网络资产及其组合的性能。结果表明,基于地球的深空网络站无法提供运动学和综合解决方案。同样,固定表面导航系统需要作为具有本地地形信息的双向导航系统或单向导航系统运行,而位置解决方案可以在很短的时间内集成在一起,并提供导航信号。月球卫星星座。

著录项

  • 作者

    Welch, Bryan W.;

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  • 年度 2008
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