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论文:2022,Vol:40,Issue(1):148-157 |
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引用本文： |
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郑鹏飞, 陈宏宇, 郭崇滨. 低轨巨型链形星座解析设计及效能分析[J]. 西北工业大学学报 |
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ZHENG Pengfei, CHEN Hongyu, GUO Chongbin. Analytical design and performance analysis of LEO mega chain satellite constellation[J]. Northwestern polytechnical university |
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| 低轨巨型链形星座解析设计及效能分析 |
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| 郑鹏飞1,2,3, 陈宏宇1,2,3, 郭崇滨1,2,3 |
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1. 中国科学院微小卫星创新研究院, 上海 201203;
2. 中国科学院大学, 北京 100049;
3. 上海微小卫星工程中心, 上海 201203 |
| 摘要: |
| 随着微小卫星技术的发展和对地侦察需求的增长，快速设计一个最小卫星数量、低重访时间（10 min内）、具备永久性星间链路的低轨星座成为当前星座设计的热点和难点。针对最小卫星数量实现低重访时间覆盖的问题，提出一种低轨Walker-链形星座及其设计方法，与常规Walker星座的区别为具有一条或多条封闭链状构型，依据覆盖需求和传感器视场角推导了解析设计方法。以对地侦察任务为例设计了一个包含132颗卫星的低轨链形星座，并与常规Walker-δ星座、共地面轨迹星座对比分析效能，验证了其数量优势、低重访时间和永久星间链路特性。 |
| 关键词:
链形星座
星座设计
低重访时间
星间链路
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| Analytical design and performance analysis of LEO mega chain satellite constellation |
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| ZHENG Pengfei1,2,3, CHEN Hongyu1,2,3, GUO Chongbin1,2,3 |
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1. Innovation Academy for Microsatellites of CAS, Shanghai 201203, China;
2. University of Chinese Academy of Sciences, Beijing 100049, China;
3. Shanghai Engineering Center for Microsatellites, Shanghai 201203, China |
| Abstract: |
| With the development of microsatellite technology and the growth of ground reconnaissance demand, the rapid design of a LEO constellation with minimum satellite number, low revisit time (within 10 minutes), and permanent inter-satellite links has become a hotspot and difficulty in constellation design. Aiming at the problem to use the minimum satellite number to achieve low revisit time coverage, a LEO (low earth orbit) Walker-chain constellation and its design method is proposed. The difference between the chain constellation and the classical Walker constellation is that it has one or more closed chain configurations. According to the coverage requirements and sensor field of view angle, the analytical design method is derived. A LEO chain constellation containing 132 satellites is designed for the ground reconnaissance mission. Comparing with the classical Walker-δ constellation and repeat ground track constellation, the chain constellation has fewer satellites, lower revisit time and the permanent inter-satellite links. |
| Key words:
chain constellation
constellation design
low revisit time
inter-satellite links
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| 收稿日期: 2021-05-20
修回日期:
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| DOI: 10.1051/jnwpu/20224010148 |
| 基金项目: 中国科学院青年创新促进会人才项目（2019292）与上海市青年科技启明星项目（19QA1408400）资助 |
| 通讯作者: 郭崇滨(1986—),中国科学院微小卫星创新研究院研究员,主要从事先进飞行器设计研究。e-mail:jacob626@126.com
Email：jacob626@126.com |
| 作者简介: 郑鹏飞(1997—),中国科学院大学硕士研究生,主要从事卫星星座设计研究。
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