PZ-DPSK光信号新型解调译码系统的设计与实现中期报告摘要：本文介绍了一种基于PZ-DPSK光信号的新型解调译码系统的设计与实现，该系统采用光子晶体光纤作为信道传输介质，采用分段滤波算法进行解调译码。在系统设计中，采用反馈调节方法对光纤损耗进行了补偿，提高了系统的可靠性和稳定性；采用MATLAB仿真工具对系统进行了性能分析和模拟实验，证实了该系统的解调效果和实用性。实验结果表明，该系统具有快速解调和高精度的优点，能够适用于高速光通信和光纤传感等领域。关键词：PZ-DPSK光信号，解调译码系统，光子晶体光纤，分段滤波算法Abstract:ThispaperintroducesthedesignandimplementationofanewdemodulationanddecodingsystembasedonPZ-DPSKopticalsignals.Thesystemusesphotoniccrystalfibersasthechanneltransmissionmediumandusessegmentedfilteringalgorithmsfordemodulationanddecoding.Inthesystemdesign,afeedbackadjustmentmethodisusedtocompensateforfiberloss,improvingthereliabilityandstabilityofthesystem;MATLABsimulationtoolsareusedtoanalyzesystemperformanceandsimulateexperiments,confirmingthedemodulationeffectandpracticalityofthesystem.Experimentalresultsshowthatthesystemhastheadvantagesoffastdemodulationandhighprecision,andcanbeappliedtohigh-speedopticalcommunicationandfiber-opticsensing.Keywords:PZ-DPSKopticalsignal,demodulationanddecodingsystem,photoniccrystalfiber,segmentedfilteringalgorithm.