基于低密度网格覆盖分析的重访星座优化设计

马原野; 郑建华; 李明涛

doi:10.11728/cjss2020.04.554

基于低密度网格覆盖分析的重访星座优化设计

doi: 10.11728/cjss2020.04.554

马原野^1,2,
郑建华^1,2,
李明涛^1,2

1. 中国科学院国家空间科学中心北京 101408;
2. 中国科学院大学北京 101407

基金项目:

国家自然科学基金项目资助（11672293）

详细信息

作者简介:
马原野,E-mail:1107962922@qq.com

中图分类号: V412.41
计量
- 文章访问数: 541
- HTML全文浏览量: 6
- PDF下载量: 51
- 被引次数: 0
出版历程
- 收稿日期: 2019-02-14
- 修回日期: 2019-11-20
- 刊出日期: 2020-07-15

Optimal Design of Revisit Constellation Based on Coverage Analysis of Low Density Grids Model

1 National Space Science Center, Chinese Academy of Sciences, Beijing 101408;
2 University of Chinese Academy of Sciences, Beijing 101407

摘要

摘要: 快速重访星座在对地遥感、网络通信、气象观测、近地空间环境探测等领域具有重要应用价值.网格分析法是星座设计过程中对覆盖性能分析最常用的方法，其计算量较大.针对重访星座，结合正多面体球面剖分模型和采样点分组方案，提出一种低密度网格覆盖分析的星座优化设计方法，在保证设计结果精度的前提下，整体计算量减少了80%以上.实验表明，利用该方法优化设计的多组星座构型方案均具有很好的重访特性，且极大地减少了多次优化设计总时间.
- 星座 /
- 重访 /
- 正多面体球面剖分 /
- 低密度网格
Abstract: Fast revisit constellation can quickly obtain the state information of local or global targets, which has the advantages of continuity, and is widely used in the fields of remote sensing, network communication, meteorological observation, near Earth space environment detection. Therefore, it is of great significance to study the optimal design of the fast revisit constellation. Grid point analysis is the most commonly used method in constellation design, but its calculation is large. In this paper a constellation optimization design method based on low-density grid coverage analysis for revisiting constellation optimization design is proposed, which combines the regular polyhedron spherical partition model and the sampling point grouping scheme. This method reduces the computation by more than 80% under the premise of ensuring the accuracy of the design results. Experiments show that the multi-group constellation configuration scheme optimized by this method has good revisit characteristics, and greatly reduces the optimization design time. Moreover, compared with the statistical results of using high-density grid, the error of the optimized design results is very small.
- Constellation /
- Revisit /
- Regular polyhedron spherical subdivision /
- Low-density grid

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参考文献(26)

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