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针对突发事件导致的信息传送阻断,提出应急光纤接入网的设计.系统的0LT硬件端采用芯片PASS001-NM3及其外围器件,0NU硬件端采用芯片PAS6201-NM3及其外围器件,并配合多功能接口技术,实现在一个平台上提供多业务信息的综合接入.在保护倒换机制下,对网络的时延、丢包率、吞吐量和链路利用率等参数进行仿真测试,为在机动环境下开通运行提供依据. 相似文献
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An approach of multiple-frequency millimeter-wave(mm-wave)signal generation is proposed for radio-over-fiber(RoF)system with multiple-frequency basestations(MFBSs).Two groups of orthogonally polarized signals are injected into a semiconductor optical amplifier(SOA),and subsequently ten new different wavelengths are generated via four-wave mix-ing(FWM)effect.At each MFBS,different wavelengths are filtered out using demultiplexer and then input to a photodiode(PD)to generate the mm-wave signals with the frequencies from 52 GHz to 68 GHz at the interval of 2 GHz.Simulation results verify that the proposed multiple-frequency generation for MFBS RoF system can work properly. 相似文献
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