GNSS遥感探测卫星星座设计

王珏瑶; 符养; 白伟华; 魏世隆; 郭碧波; 闫峰; 谢成清

doi:10.11728/cjss2021.03.475

GNSS遥感探测卫星星座设计

doi: 10.11728/cjss2021.03.475

1. 深圳航天东方红卫星有限公司深圳 518057;
2. 北京应用气象研究所北京 100029;
3. 中国科学院国家空间科学中心北京 100190

基金项目:

国家自然科学基金项目资助（41405039，11802073）

详细信息

作者简介:
王珏瑶,E-mail:18810048432@163.com

中图分类号: V474
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- 被引次数: 0
出版历程
- 收稿日期: 2019-12-18
- 修回日期: 2020-10-12
- 刊出日期: 2021-05-15

Design of GNSS Remote Sensing Satellite Constellation

1. Shenzhen Aerospace Dongfanghong Satellite Ltd., Shenzhen 518057;
2. Beijing Institute of Applied Meteorology, Beijing 100029;
3. National Space Science Center, Chinese Academy of Sciences, Beijing 100190

摘要

摘要: 随着全球导航卫星系统（Global Navigation Satellite System，GNSS）掩星大气探测技术的兴起，GNSS遥感探测数据在气象数据资源中逐步占据重要地位，但是目前的掩星探测数量远不能满足数值天气预报等应用的需求，未来更需要充分利用GNSS信号资源，开展更大规模的GNSS掩星卫星星座探测.本文以世界气象组织发布的大气海洋数据需求为参考，提出新一代GNSS遥感探测星座任务需求与设计约束.在理想大气模型假设下，利用几何解析方法研究了探测卫星星座构型参数对探测性能的影响，并建立了新一代GNSS遥感探测卫星星座设计基本准则.以风云卫星为子星座，给出了星座规模同为40颗的三种GNSS遥感探测微纳卫星星座设计方案.研究结果表明，具备该规模的探测星座可满足数值天气预报等气象应用的最低数据需求，三种构型方案中，由高、中、低倾角三组Walker子星座与风云卫星子星座组建的GNSS遥感探测星座探测性能最优.
- 卫星星座 /
- GNSS /
- 无线电遥感 /
- 气象探测 /
- 微纳卫星
Abstract: Global Navigation Satellite System (GNSS) remote sensing can provide irreplaceable atmospheric sounding data based on its sounding technology. But the research on satellite constellation design for GNSS remote sensing is relatively backward. In-orbit resources have not been fully utilized, and the design of sounding satellite constellation lacks systematic and theoretical support. Under the assumption of ideal atmosphere model, the effect of configuration parameters of sounding constellation on sounding performance is studied by geometric analysis method. With 200km×200km×6h as the reference scale, the design criteria for the new generation of GNSS remote sensing sounding satellite constellation are established. Four of FY-3 satellites are combined to make GNSS remote sensing satellite constellation optimization design results under three kinds of constellation configurations. The results show that the design criteria are feasible and instructive. In combination with the FY-3 satellites, three Walker sub-constellations with inclination of 68°, 60° and 24° have the best performance.
- Satellite constellation /
- Radio remote sensing /
- GNSS /
- Meteorological sounding /
- Micro-Nano satellite

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参考文献(16)

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