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首页> 外文期刊>Acta astronautica >Fundamentals of the route theory for satellite constellation design for Earth discontinuous coverage. Part 3: Low-cost Earth observation with minimal satellite swath
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Fundamentals of the route theory for satellite constellation design for Earth discontinuous coverage. Part 3: Low-cost Earth observation with minimal satellite swath

机译：路线理论的基本原理，用于地球不连续覆盖的卫星星座设计。第3部分：以最少的卫星覆盖范围进行低成本的地球观测

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摘要

Continuing the series of papers with description of the fundamentals of the Route Theory for satellite constellation design, the general method for minimization of the satellite swath width required under given constraint on the maximum revisit time (MRT), the main quality characteristic of the satellite constellation discontinuous coverage, is presented. The interrelation between MRT and multiplicity of the periodic coverage - the minimum number of the observation sessions realized for the points of observation region during the satellite tracks' repetition period - is revealed and described. In particular, it is shown that a change of MRT can occur only at points of coverage multiplicity changing. Basic elements of multifold Earth coverage theory are presented and used for obtaining analytical relations for the minimum swath width providing given multifold coverage. The satellite swath width calculation procedure for the multifold coverage of rotating Earth using the iterations on the sphere of stationary coverage is developed. The numerical results for discontinuous coverage with minimal satellite swath, including comparison with some known particular cases and implementations of the method, are presented. (C) 2016 IAA. Published by Elsevier Ltd. All rights reserved.
机译：继续介绍有关星座设计路线理论基础的系列文章，在给定最大重访时间（MRT）约束的情况下，使卫星扫描宽度最小化的一般方法，以及星座的主要质量特征介绍了不连续的覆盖范围。揭示并描述了MRT与周期性覆盖率的多重性之间的相互关系-周期性的覆盖范围是在卫星轨道重复周期内为观察区域的点实现的最小观察会话数。特别地，示出了MRT的改变仅可以在覆盖倍数改变的点处发生。提出了多重地球覆盖理论的基本要素，并用于获得给定多重覆盖的最小条幅宽度的解析关系。利用固定覆盖范围内的迭代，为旋转地球的多重覆盖范围开发了卫星测绘宽度计算程序。给出了具有最小卫星覆盖范围的不连续覆盖的数值结果，包括与某些已知特殊情况的比较以及该方法的实现。 （C）2016 IAA。由Elsevier Ltd.出版。保留所有权利。

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