卫星激光通信与布兰登轨道

2011 International Conference on Space Optical Systems and Applications (ICSOS) Pub Date : 2011-05-11 DOI:10.1109/ICSOS.2011.5783664

P. Christopher

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引用次数: 0

摘要

我们估计了10微米激光卫星通信系统的全球天顶衰减。利用开关地分集可以降低衰减。然而，在实际卫星系统中，低仰角和较长的大气路径往往会使衰减急剧增加。布兰登莫尔尼亚卫星概念有望在全球范围内提供良好的激光卫星性能。重点介绍了四颗布兰登卫星对地静止系统的替换。Brandon4在北纬40度以北提供相对较低的大气衰减，并且允许考虑激光通信。

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Satellite laser communication with Brandon orbits

We estimate worldwide zenith attenuation for 10 micron laser satellite communication systems. The attenuation may be lowered with the aid of switched ground diversity. However, real satellite systems tend to sharply raise the attenuation with low elevation angles and long atmospheric path lengths. Brandon Molniya satellite concepts are expected to give good worldwide laser satellite performance. Four Brandon satellite replacements for geostationary systems are emphasized. The Brandon4 offers relatively low atmospheric attenuation north of 40N, and it allows laser communications to be considered.

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来源期刊

2011 International Conference on Space Optical Systems and Applications (ICSOS)

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