| 基于速度增量修正的卫星入轨段外测数据定轨新方法 |
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| 引用本文： | 茅永兴,马静远,钟德安,倪晓秋,向颉.基于速度增量修正的卫星入轨段外测数据定轨新方法[J].宇航学报,2016,37(9):1049-1055. |
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| 作者姓名： | 茅永兴 马静远 钟德安 倪晓秋 向颉 |
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| 作者单位： | 1.中国卫星海上测控部，江阴214431；2.飞行器海上测量与控制联合实验室，江阴 214431;
3.中国科学院紫金山天文台，南京 210008 |
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| 摘 要： | 在传统的数值积分精密定轨方法基础上，提出基于器箭分离速度增量修正的定轨方法，实现了器箭分离前后两段外测数据的联合定轨。仿真计算结果和任务实战数据验证结果表明，该方法大大提高了地月转移轨道入轨段外测定轨精度，比传统初轨确定方法提高约一个数量级。
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| 关 键 词： | 地月转移轨道 速度增量修正 精密定轨方法 轨道改进 |
| 收稿时间： | 2015-11-24 |
A Satellite Orbit Determination Method of Injection Segment Data Based on Velocity Increment Correction |
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| MAO Yong xing,MA Jing yuan,ZHONG De an,NI Xiao qiu,XIANG Jie.A Satellite Orbit Determination Method of Injection Segment Data Based on Velocity Increment Correction[J].Journal of Astronautics,2016,37(9):1049-1055. |
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| Authors: | MAO Yong xing MA Jing yuan ZHONG De an NI Xiao qiu XIANG Jie |
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| Institution: | 1. China Satellite Maritime Tracking and Control Department, Jiangyin 214431, China;
2. Joint Laboratory of Ocean based Flight Vehicle Measurement and Control, Jiangyin 214431, China;
3. Purple Mountain Observatory, Chinese Academy of Sciences, Nanjing 210008, China |
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| Abstract: | Based on the traditional orbit determination by numerical integration, a new method is given based on the velocity increment correction of spacecraft-rocket separation. It realizes the orbit determination with data before and after spacecraft-rocket separation. The results of simulations and real data processing show that it improves the precision and stability of the orbit determination during the injection of the Earth to moon transfer orbit remarkably, and the accuracy is improved about an order of magnitude compared with the traditional initial orbit determination method. |
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| Keywords: | Earth-to-moon transfer orbit Velocity increment correction Precise orbit determination Orbit improvement |
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