通信原理(英文版)课件.ppt

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2024-03-29 发布于上海
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通信原理(英文版)课件.ppt

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CommunicationPrinciples(EnglishVersion)Courseware目录IntroductionPrinciplesofCommunicationTypesofCommunicationCommunicationNetworksFutureTrendsinCommunicationConclusion01IntroductionCommunicationistheprocessofsendingandreceivingmessages,whetherwritten,spoken,orsigned.Itinvolvesnotonlythemessageitself,butalsothecontextinwhichitissentandreceived.Communicationisadynamicandinteractiveprocessthatrequiresthesenderandreceivertohaveacommonunderstandingofthemessage.Communicationisessentialinallaspectsofhumanlife,whetheritispersonalorprofessional,face-to-faceorremote.DefinitionofCommunicationClearcommunicationcanimproverelationshipsandreducemisunderstandings.Effectivecommunicationcanenhanceproductivityandteamwork.Goodcommunicationskillscanimproveself-confidenceandsocialskills.ImportanceofCommunicationPrehistorichumansusedprimitivemethodsofcommunication,suchasbodylanguageandvocalizations.Theinventionoftheprintingpressinthe15thcenturymadeinformationmorewidelyaccessible.Moderncommunicationtechnologies,suchastheinternetandsocialmedia,haverevolutionizedcommunication,makingitfaster,moreconvenient,andglobal.Thedevelopmentofwritingsystemsallowedformorecomplexandpermanentcommunication.EvolutionofCommunication02PrinciplesofCommunicationVSTheprocessofconvertinginformationintoaformsuitablefortransmissionoveracommunicationchannel.Thistypicallyinvolvesbreakingdowntheinformationintosmallerunitsandassigningspecificcodestorepresentthoseunits.DecodingThereverseprocessofencoding,inwhichthereceiverinterpretsthetransmittedsignalandreconstructstheoriginalinformation.Decodingrequiresthereceivertoreversetheencodingprocessusedbythesender.EncodingEncodingandDecodingTheprocessofvaryingapropertyofacarrierwave,suchasitsamplitude,frequ