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1、郑州轻工业学院本科毕业设计（论文）——英文翻译题目差错控制编码解决加性噪声的仿真学生姓名专业班级通信工程05-2学号12院（系）计算机与通信工程学院指导教师完成时间2009年4月26日翻译题目：数据通信专业班级：通信工程05-2姓名：学号：英文原文:DatacommunicationsGildasAvoineandPhilippeOechslinEPFL,Lausanne,Switzerlandfgildas.avoine,philippe.oechsling@ep.chAbstractDatacommunicationsarecommunicationsandco
2、mputertechnologyresultingfromthecombinationofanewmeansofcommunication.Totransferinformationbetweenthetwoplacesmusthavetransmissionchannel,accordingtothedifferenttransmissionmedia,thereiswireddatacommunicationsandwirelessdatacommunicationsdivision.Buttheyarethroughthetransmissionchannel
3、datalinkterminalsandcomputers,differentlocationsofimplementationofthedataterminalsoftwareandhardwareandthesharingofinformationresources.1ThedevelopmentofdatacommunicationsThefirstphase:themainlanguage,throughthehuman,horsepower,warandothermeansoftransmissionoforiginalinformation.PhaseI
4、I:LetterPost.(Anincreasemeansthedisseminationofinformation)Thethirdstage:printing.(Expandthescopeofinformationdissemination)PhaseIV:telegraph,telephone,radio.(Electrictoenterthetime)Fifthstage:theinformationage,withtheexceptionoflanguageinformation,therearedata,images,textandsoon.1.1Th
5、ehistoryofmoderndatacommunicationsCommunicationasaTelecommunicationsarefromthe19thcentury,thebeginningYear30.Faradaydiscoveredelectromagneticinductionin1831.Morseinventedtelegraphin1837.Maxwell'selectromagnetictheoryin1833.Bellinventedthetelephonein1876.Marconiinventedradioin1895.Telec
6、omhasopenedupinthenewera.Tubeinventedin1906inordertosimulatethedevelopmentofcommunications.SamplingtheoremofNyquistcriteriaIn1928.Shannongtheoremin1948.Theinventionofthe20thcentury,the16翻译题目：数据通信专业班级：通信工程05-2姓名：学号：semiconductor50,therebythedevelopmentofdigitalcommunications.Duringthe20
7、thcentury,theinventionofintegratedcircuits60.Madeduringthe20thcentury,40theconceptofgeostationarysatellites,butcannotbeachieved.Duringthe20thcentury,spacetechnology50.Implementationin1963firstsynchronizedsatellitecommunications.Theinventionofthe20thcentury,60laser,intendedtobeusedfor
