A general evaluation criterion for coverage performance of LEO constellations

被引：0

作者：

Li, Yong-Jun ^{[1
]}

Zhao, Shang-Hong ^{[1
]}

Wu, Ji-Li ^{[2
]}

机构：

[1] School of Information and Navigation, Air Force Engineering University

[2] The Air Force Xi'an Flight Academy

来源：

Yuhang Xuebao/Journal of Astronautics | 2014年 / 35卷 / 04期

关键词：

Constellation designing; Coverage performance; Evaluation method; LEO;

D O I：

10.3873/j.issn.1000-1328.2014.04.006

中图分类号：

学科分类号：

摘要：

A general evaluation method for coverage performance of LEO constellations with different patterns and altitudes is proposed. The minimum elevation angle characteristics at different latitudes is transformed into the number of standard satellites with the same coverage performance, and the ratio with respect to the actual number of satellites in a constellation is define as the index of coverage performance. According to the evaluation method, the coverage indexes of four kinds of Walker-δ constellation including Iridium, Globalstar, Celestri and NeLS are computed, and the improved design method is brought forward.

引用

页码：410 / 417

页数：7

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