毕业论文外文翻译-3G技术

毕业论文外文翻译-3G技术

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时间:2017-07-12

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1、一:外文原文3GTECHNOLOGYAlthoughthetechnologybehind3Gmayseemcomplicated,thewaysinwhich3Gwillaffectallofourlivesareeasytoimagine.Justimaginehavingacombinedcamera,videocamera,computer,stereo,andradioincludedinyourmobilephone.Rich-mediainformationandentertainmentwillbeatyo

2、urfingertipswheneveryouwantanywherethereisawirelessnetwork.Mobilecommunicationismovingfromsimplevoicetorichmedia,whereweusemoreofoursensestointensifyourexperiences.Butnotallofthiswillhappenatonce.3Gisanevolutiontoacommunicationsidealthatnoonecompletelyunderstandsy

3、et.WhatwedoknowisthatmobilemultimediawillhittheJapanesemarketsin2001,andEuropeandNorthAmericawillfollowsoonafter.3Gbringstogetherhigh-speedradioaccessandIP-basedservicesintoone,powerfulenvironment.ThesteptowardsIPisvital.IPispacket-based,whichinsimpleterms,meansus

4、erscanbe"online"atalltimes,butwithouthavingtopayuntilweactuallysendorreceivedata.TheconnectionlessnatureofIPalsomakesaccessalotfaster:filedownloadscantakeafewsecondsandwecanbeconnectedtoourcorporatenetworkwithasingleclick.3Gintroduceswidebandradiocommunications,wi

5、thaccessspeedsofupto2Mbit/s.Comparedwithtoday'smobilenetworks,3Gwillsignificantlyboostnetworkcapacity-sooperatorswillbeabletosupportmoreusers,aswellasoffermoresophisticatedservices.3G-Athome3Gisgoingtoaffectourhomeandsociallivesinmanyways.Theservicesthat3Genablesw

6、illhelpustomanageourpersonalinformation,simplifytaskssuchasgroceryshopping,makebetteruseofourtimeandofferservicesthatarejustfuntouse.Operatorswillbeabletodevelopmyriadnewserviceopportunitiestoattractandretainnewcustomers.Herearesomeexamples:·You'resittingonatraina

7、ndusethis"dead"timetologontoyourbankaccount,checkyourbalanceandpayafewbills-allthroughyour3Gdevice.Yousavetimeandcanbesmarteraboutmanagingyourfinances.·Onatouringvacation,youarriveinanewcity.Youhaven'tmadeanyreservationsinadvance,becauseyoucandothiswhenyougetthere

8、,byusingyour3Ghandsettoobtainup-to-dateinformation,includinghotelvacancies.Havingbookedaroom,youcanuseyourmobiletoviewvideoclipsoflocaltouristattraction

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