对不同轨道卫星通信系统的效率进行比较评估

A. Abolits
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引用次数: 0

摘要

本文研究了单波束转发器卫星、多波束转发器卫星和多卫星PCS的容量随轨道高度的极限关系。这些情况包括当高度不同时波束或整个转发器卫星的相同输出,以及机载多波束天线的孔径相同或地球表面波束部分区域相同时。上述参数依次决定了功率-质量特性之间的关系,从而决定了创建轨道分组的成本。通过将后者与能力进行比较,就有可能根据轨道高度、系统中的卫星数量和转发器卫星的波束来比较评估信息单元传输的具体费用。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
To comparative evaluation of efficiency of the satellite communications systems using various orbits
This paper considers the limit relationship between the capacities of a separate transponder (beam) satellite, a multibeam transponder satellite and a multisatellite PCS, depending on their orbit altitudes for a number of significant cases. These cases include identical output in the beam or in the entire transponder satellite when the altitudes are different, and the apertures of the onboard multibeam antennas are identical or when the beam partial areas on the surface of the Earth are identical. The parameters mentioned, in their turn, determine the relationship of the power-mass characteristics, and, accordingly, costs of creating the orbital groupings. By comparing the latter with the capacities, it becomes possible to comparatively evaluate the specific costs for the transmission of an information unit, depending on the orbital altitude, number of satellites in the system, and the beams of the transponder-satellites.
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