关于数值求解卫星运动微分方程中的一个问题 |
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引用本文: | 刘林,张强.关于数值求解卫星运动微分方程中的一个问题[J].紫金山天文台台刊,1999(4). |
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作者姓名: | 刘林 张强 |
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作者单位: | 南京大学天文系!南京210093 |
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摘 要: | 本文阐明地球非球形引力位中的高阶次球谐项( 即“短”波项) 对求解卫星运动微分方程的两类数值方法( 单步法和多步法) 选择积分步长的不同影响,并以实际算例证实这一点。
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关 键 词: | 高阶次球谐项 数值方法 积分步长 |
ON THE PROBLEM IN SOLVING THE EQUATIONS OF THE MOTION OF AN ARTIFICIAL SATELLITE BY NUMERICAL METHODS |
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Authors: | Liu Lin Zhang Qiang |
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Abstract: | In this paper, it has expounded and confirmed by numerical test that the different effects of the higher degree and order harmonic in the Earth's gravitational potential on numerical methods, by which to solve the equations of the motion of an artificial satellite. |
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Keywords: | higher degree and order harmonic numerical method integrating step size |
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