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差分导航中月球运动引起的多普勒频移

发表时间:2022-03-31  浏览量:325  下载量:25
全部作者: 郭吕倩,康志伟
作者单位: 湖南大学信息科学与工程学院
摘 要: 为分析月球运动引起的多普勒频移分布情况,基于太阳光差分导航系统,利用立体几何构建了月球运动模型,分析了不同月球转轴下的反射点运动速度,并依据反射体运动的多普勒频移原理推出了月球表面任一反射点运动引起的多普勒频移值计算式,进而通过实验仿真月球运动引起的反射光的多普勒频移分布。实验结果表明,航天器-月球距离、太阳-月球-航天器夹角、月球转轴方向影响着多普勒频移分布,这可对太阳光差分导航测量模型中反射光的分析提供补偿。
关 键 词: 航空、航天科学技术基础学科;太阳光差分导航;月球运动;多普勒频移
Title: Doppler shift induced by lunar motion in differential navigation
Author: GUO Lüqian, KANG Zhiwei
Organization: College of Computer Science and Electronic Engineering, Hunan University
Abstract: In order to analyze the Doppler shift distribution caused by the lunar motion, a lunar motion model is constructed based on solar differential navigation system using solid geometry. The velocity of the reflecting point under different lunar rotation axes is analyzed, and the formula for calculating the Doppler shift value caused by the motion of any reflecting point on the lunar surface is derived based on the Doppler shift principle of the reflector’s motion, then the Doppler shift distribution of the reflected light caused by the lunar motion is simulated by experiments. The experiment results show that the spacecraft-moon distance, the sun-moon-spacecraft angle and the direction of the lunar rotation axis affect the Doppler shift distribution, which can provide compensation for the analysis of the reflected light in the solar differential navigation measurement model.
Key words: basic subject of aviation; solar differential navigation; the lunar motion; Doppler shift
发表期数: 2022年3月第1期
引用格式: 郭吕倩,康志伟. 差分导航中月球运动引起的多普勒频移[J]. 中国科技论文在线精品论文,2022,15(1):92-103.
 
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