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随着飞机复杂航空系统的增多,需要增加航空数据总线的带宽、提高通信的服务质量,为此出现了一种采用航空电子全双工通信制以太网交换(AFDX)的通信网络。介绍航电总线的发展史,并进一步分析AFDX网络的组成、特点及网络技术,在此基础上,设计一种适用于我国空中指挥所的稳定、经济、安全的采用AFDX技术航电仿真平台的通信网络。
With the increase of aircraft complex aviation system, it is necessary to increase the bandwidth of the air data bus and improve the service quality of communication. Therefore, a communication network adopting the avionics full-duplex communication system Ethernet switching (AFDX) has emerged. Introduce the development history of avionics bus, and further analyze the composition, characteristics and network technology of AFDX network. On this basis, we design a stable, economical and safe AFDX avionics simulation platform that is suitable for China’s air command post Communications network.