专业英语翻译 (13)

专业英语翻译 (13)

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时间:2019-09-18

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1、optic-fibercommunication;fiber-opticcommunicationsopticalfibercommunicationsFromtheopticalcommunicationtalentshowingitself,hasbecomeoneofthemainpillarsofmoderncommunicationinthemoderntelecommunicationsnetwork,playadecisiveroleinthe.Opticalfibercommunicationasanewte

2、chnology,itsrapiddevelopmentinrecentyears,applicationsbroadrangeofcommunicationsinhistory,butalsotheimportantsymbolofrevolutionofworldnewtechnologyandthefutureinformationsocietyinformationmaintransfertool.Opticalfiberforopticalfiberabbreviation.Opticalfibercommunic

3、ationistolightasthecarrierofinformation,withtheopticalfiberastransmissionmediumisameansofcommunication.Inprinciple,constitutethebasicelementsofopticalfibercommunicationopticalfiber,alightsourceandalightdetector.Opticalfiberinadditiontothemanufacturingprocess,materi

4、alcompositionandopticalpropertiesforclassification,intheapplicationoftheopticalfiber,usedtouseforclassification,canbedividedintocommunicationandopticalfibersensorwithopticalfiber.Transmissionmediumopticalfiberisdividedintogeneralandspecialtwo,andfunctionaldevicesfo

5、ropticalfiberreferstotheamplification,shaping,frequencydivider,frequency,modulationandopticaloscillationfeaturessuchasopticalfiber,andoftenafunctionofthedeviceappearedintheformof.Thecharacteristicsofopticalfibercommunication(1)thecommunicationscapacity,transmission

6、distance;afiberpotentialbandwidthofupto20THz.Thebandwidth,justonesecond,thenhumanatalltimesandinallcountriesalltextdata.The400Gbit/ssystemhasbeenputintocommercialuse.Theopticallossisextremelylow,inlightwithawavelengthof1.55mnearby,quartzfiberlosslowerthan0.2dB/km,t

7、heratioofanycurrenttransmissionmediumlossislow.Therefore,transmissiondistancecanreachtens,evenhundredsofkilometers.(2)smallsignalinterference,goodsecrecyperformance;(3)resistanttoelectromagneticinterference,thetransmissionqualityisgood,theelectriccommunicationcanno

8、tsolveallkindsofelectromagneticinterference,opticalfibercommunicationisnotonlyaffectedbyallkindsofelectromagneticinterference.(4)fiberofsmallsize

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