期刊
INTERNATIONAL JOURNAL OF AEROSPACE ENGINEERING
卷 2021, 期 -, 页码 -出版社
HINDAWI LTD
DOI: 10.1155/2021/6679107
关键词
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资金
- National Key R&D Program of China [2016YFB0501001]
- National Natural Science Foundation of China [62006214]
- 13th Five-year Pre-research Project of Civil Aerospace in China
- China Postdoctoral Science Foundation [2019TQ0291]
- Aeronautical Science Fund [2018ZCZ2002]
- Opening Fund of Key Laboratory of Geological Survey and Evaluation of Ministry of Education [GLAB2019ZR04]
- Open Research Project of the Hubei Key Laboratory of Intelligent Geo-Information Processing [KLIGIP-2018B06, KLIGIP-2019B07]
This paper proposes an improved cell area-based method for constellation-to-ground coverage analysis, and experiments show the correctness and high efficiency of this method in solving various coverage problems.
Constellation-to-ground coverage analysis is an important problem in practical satellite applications. The classical net point method is one of the most commonly used algorithms in resolving this problem, indicating that the computation efficiency significantly depends on the high-precision requirement. On this basis, an improved cell area-based method is proposed in this paper, in which a cell is used as the basic analytical unit. By calculating the accuracy area of a cell that is partly contained by the ground region or partly covered by the constellation, the accurate coverage area can be obtained accordingly. Experiments simulating different types of coverage problems are conducted, and the results reveal the correctness and high efficiency of the proposed analytical method.
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