刘彦伟,赵振昊,杨佳欣,易予生

• 1:北京空间飞行器总体设计部

摘要(Abstract)：

针对大型载人航天器舱内/舱外试验载荷多、试验数据量大、数据传输要求高的特点，提出基于光纤以太网技术的载荷数据传输系统设计方法，分为骨干传输层和汇聚接入层，采用双环+树形的网络拓扑结构，配置千兆、万兆以太网光纤接口，通过光缆与各试验载荷相连，为大型载人航天器舱内/舱外各类试验载荷提供高速数据传输和下行通道服务。经过在轨飞行应用，表明基于光纤以太网的载荷数据传输系统设计方法合理、可行，为大型载人航天器持续滚动开展较大规模的空间科学实验与技术试验提供了有力保证。

关键词(KeyWords)： 载人航天器;有效载荷;光纤以太网;应用

Abstract:

Keywords:

基金项目(Foundation):

作者(Author): 刘彦伟,赵振昊,杨佳欣,易予生

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