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网络延时是机载网络一个非常重要的性能指标,随着光纤通道设备在机载环境应用的普及,为了保证AFDX网络能够在光纤介质和铜缆介质间的正常通信,设计了一种面向AFDX网络的低时延光电信号转换设备。论文从该设备的架构设计、原理分析和测试等方面,详细论述了光电信号转换设备的设计架构、转换原理,深入分析了光电信号转换设备的延时性能,并针对传输介质转换和延时指标进行了测试。与同类产品相比,该设备可有效的降低数据流在光介质和铜缆之间的转换延时,保证了机载AFDX网络的传输性能。
Network delay is a very important performance index of airborne network. With the popularization of Fiber Channel equipment in airborne environment, in order to ensure the normal communication between AFDX network and optical fiber medium, an AFDX Network low-latency optical signal conversion equipment. From the aspects of architecture design, principle analysis and testing, the dissertation discusses the design framework and principle of the photoelectric signal conversion device in detail, and analyzes the delay performance of the photoelectric signal conversion device in depth. In the light of the transmission media conversion and delay index taking the test. Compared with similar products, the device can effectively reduce the data flow in the optical media and copper conversion delay between, to ensure that the airborne AFDX network transmission performance.