2.5gbits無中繼長跨距光纖通信系統(tǒng)的設(shè)計(jì)

1、華北電力大學(xué)（北京）碩士學(xué)位論文2.5Gbits無中繼長跨距光纖通信系統(tǒng)的設(shè)計(jì)姓名：毛穎超申請學(xué)位級別：碩士專業(yè)：通信與信息系統(tǒng)指導(dǎo)教師：孫鳳杰20080304華北電力大學(xué)碩士學(xué)位論文摘要構(gòu)建無中繼長跨距光纖通信系統(tǒng)對于利用我國特高壓電網(wǎng)傳輸電力系統(tǒng)信息具有重要意義。本文介紹了無中繼光纖通信技術(shù)及其在電力系統(tǒng)中的研究現(xiàn)狀，研究和分析了色散補(bǔ)償光纖和啁啾光纖光柵兩種色散補(bǔ)償技術(shù)，并確定在系統(tǒng)方案中采用啁啾光纖光柵進(jìn)行色散補(bǔ)償；討論了無中繼

2、光傳輸系統(tǒng)中引入光纖拉曼放大器后受激布里淵散射閾值的變化，為系統(tǒng)優(yōu)化配置提供參考；最后，給出了25Gbit／s單信道380kin超長跨距無中繼光纖通信系統(tǒng)的方案，為將來實(shí)際應(yīng)用提供了配置依據(jù)。關(guān)鍵詞：無中繼傳輸，長跨距，光纖通信，色散補(bǔ)償，受激布里淵散射ABSTRACTTheconstructionofunrepeateredlong—spanopticalfibercommunicationsyStemsisofgreatsignif

3、icanceforthetransmissionofpowersysteminformationusingChineseultra—highvoltagepowerg—dUnrepeateredopticalcommunicationtechnologyandtheitsresearchstamsinpowersystemareintroduced；twodispersioncompensationtechniquesthedisper

4、sioncompensationfiberandchirpedfiberBragggratingareresearchedandanalyzed，chirpedfiberBragggratingisdeterminedtobeusedinthesimulationsystem；discussesthechangesofstimulatedBrillouinscatteringthresholdafterintroducingfiberR

5、amanamplifierinunrepeateredfibercommunicationsystems，whichcanprovidereferenceforsystemoptimizationandconfiguration；Finally，aschemeof25Gb／ssinglechannelultralongspanunrepeateredfibertransmissionsystemover380kmisgiven，whic

6、hprovidesaconfigurationbasisforthefuturepracticalapplicationsMaoYingchao(Communicationandinformationsystem)DirectedbyprofSunFengjieKEYWORDS：unrepeateredtransmission，long—span，opticalfibercommunication，dispersioncompensat