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1、.英语文献翻译姓名：徐英杰学号：201057503119..WirelesschargingtechnologyoverviewandoutlookOne,thehistoryofwirelesschargingtechnologyactuallyideaofwirelesspowersupplyhaveemergedasearlyasonehundredyearsago,in1890,nikolatesla,thefounderofthemodernalternatingcurrent(ac)systemb
2、egantoideaofwirelesspowersupplymethod,andfinallyputforwardaveryambitiousplan-theearthastheinnerconductor;Betweentheearthandtheionosphereestablishedabout8hzlowfrequencyresonance,recycledaroundtheearth'ssurfaceelectromagneticwavetotransmitpoweratadistance.Att
3、hetime,teslaisaseriesofexperimentsarecarriedoutusingcoil,createdthewirelesspowertransmission.In1990,andteslabeganhisresearch,andtrytomakeelectricitylikebroadcastacrossoceans,afterwardsbecauseofhugeinvestment,thetechnologyof"death".Althoughteslaresearchultim
4、atelynoresults,buthisoriginalwirelesspowertechnologyideaisboldenough.Second,thedevelopmentofwirelesschargingtechnologyteslacoilatthetimedidn'tget,butinthemid-1920-s,JapaneseH.YagiandS.Udatheoreticallyconfirmedthissolutionisacompletelydifferentfromspecialpow
5、ersupplywayofcabletransmission,thewirelesspowersupplytechnology,photoelectriccoupling,electromagneticcouplingmainmagneticresonance,etc.Threedifferentways.Apowersupply,thecurrentwirelesspowersupplytechnology,photoelectriccoupling,electromagneticcouplingmainm
6、agneticresonance,etc.Threedifferentways.1,electromagneticcoupling,electromagneticcouplingforpowerengineers,inthefamiliar,thetransformeristousethisprincipletotransferenergy.Ifseparatetwowindingtransformer,issomethingofawirelesspowersupply.Rechargeableelectri
7、ctoothbrushisatypicalcase,buttheuseofelectromagneticcouplingwayhasalotofdisadvantages,nothighmagneticpermeabilityofmagneticcoreasamedium,thelinesofmagneticforcecanleadtoseriousspreadintotheair,resultinginadeclineintransferringefficiency,especiallywhentwocoi
8、lfromdownbadly.Sothiswayisonlysuitableforsmallpower,closecommunication,forhigh-power,long-distancewirelesspowersupplyisnotsogoodthisway.2,photoelectriccouplingphotoelectric..couplingistoconvertelectric
