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J2轨道模型对月地激光通信预瞄准精度影响研究

Pengzhen GUO,Bo LI,Dongpeng KANG,Siyuan YU,Qi WANG,Fang NAN,Liying TAN,Jing MA

Journal of Deep Space Exploration（2019）

Cited 1|Views2
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Abstract
基于J2轨道预测模型,设计了不同倾角和轨道高度圆轨道月球卫星,通过将J2轨道预测模型预瞄准仿真结果与直接积分RKF7(8)法仿真结果相对比,研究了不同类型月球卫星轨道对-Y面卫星舱板激光通信终端瞄准精度的影响.仿真结果表明,J2轨道预测模型可以满足月球极地卫星月地激光通信要求,当轨道高度为1000 km和2000 km的时候,10 min方位角偏差不超过40μrad,而俯仰角偏差仅为7μrad时,在一定程度上J2轨道预测模型可以满足月地激光通信预瞄准要求.
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Key words
lunar-ground laser communication,J2 orbit prediction model,deep space laser communication
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