【精品】电子发展史.doc

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1、无锡职业技术学院毕业设计说明书（英文翻译）HistoryahoutElectronicsTherecanbenodoubtthatthe1900sisrememberedastheelectroniccentury・Ofcoursetherehavebeenothergreatadvances,inmedicine,intransportinscience,incommerce,andmanyotherfields,butwherewouldtheyhavebeenwithouttheinstrumentsanddevi

2、cesthatelectronicshasprovided?Howwouldyouseea3Dvirtualrealityimageofyourbeatingheartwithnoelectronics?HowwouldyougetmoneyoutofthebankonaSundaynightwithoutelectronics?Wouldyougotoapopconcertthathadnoamplifiers,largescreensorlightingeffects?Don'tsayyouwouldratherwa

3、tchTV-therewouldnotbeany.Electronicsintheearly20thcenturystartedthrivingatagreaterspeedunlikethepre-20thcenturydevelopments.TheradioinventedbytheItaliangeniusMarconiandtheworkofHenryHertzopenedtheroadtothetechnicalworldwasthevacuumtube.Thevacuumtubesatthattimewor

4、kedasamiraculouscomponentfortheradiodevices-Theinventionofthetelevisionwasamiraculousthingforthemankind.Itwasrevolutioninbothcommunicationtechnologyandalsofortheworldmedia.Thedistancesbetweenthecontinentsdidnotseemtobefarenough.ThecreditgoestotheBritishengineerJo

5、hnLogicBairdwhofollowedthefootprintsofMarconiandtriedtosendtheimagesinthesamewayasthespeech・Afteralongexperimenthefoundthataseriesofstaticpicturesifsendwithinasmallintervaloftimeinbetweenthem,seemtobemoving.Someotherproblemswerealsothereliketheassemblingoftheasse

6、mblingoftheelectroniccomponentonasinglemotherboard.JackKirbyinTexasInstrumentfoundaverynicesolution.Hesuggestedtothrowawayallthewiresandtriedtoconnecttheresistors,capacitorsandtransistorsonthesamepieceofwaferinternally.Surprisinglyhisideasworkedandgavebirthtothei

7、ntegratedcircuitindustries.Someelectronicsystemsarefamiliarfromeverydaylife.Forexampie,weencounterradios,television,telephones,andcomputersonadailydasis,otherelectronicsystemsarepresentindailylife,butarelessobvious.Electronicsystemscontrolfuelmixtureandignitionti

8、mingtomaximizeperformanceandminimizeundesirableemissionsfromautomobileengines.Electronicsinweathersatellitesprovideuswithacontinuousdetailedpictureofourplanet.