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PPT coursewarefor CommunicationProfessionalEngl•Introduction toCommunicationProfessional English•Basic knowledgeof communication目录•Communication protocols and standards•Communication equipmentandContentstechnology•English Terminologyfor Communication•Application of CommunicationProfessional EnglishIntroductionto01CommunicationProfessional EnglishDefinitionand characteristicsDefinitionCommunicationProfessional English,abbreviated asCPE,is aprofessional Englishspecificallydesigned forworkplace communication,aimed atimproving personalEnglish communication skills inthe workplace.FeaturesCPE emphasizesthe practicalityand efficiencyof language,focusing oncultivating learnersEnglishproficiency inspecific workplaceenvironments,including languageskills inbusiness negotiations,conference hosting,presentations,and otherareas.The ImportanceofCommunicationProfessionalEnglishImproving professionalcompetitivenessMastering CPEcan makeindividuals morecompetitive inthe workplace,especially ininternationalenterprises orwhen dealingwith foreignpartners.Expanding InternationalPerspectiveBy studyingCPE,individuals canunderstand communicationmethods andhabits indifferent countriesandcultural backgrounds,thereby expandingtheir internationalperspective.Enhancing personalbrand imageFluentEnglish expressionand professionalcommunicationskillscan helpenhance personalbrandimage andenhance personalinfluence.The LearningMethods ofCommunication EnglishSimulatedworkplace Casestudy Roleplaying InteractivediscussionenvironmentBy simulatinga realBy analyzingreal Learnersengage inEncourage learnerstoworkplace environment,workplace communicationpractical exercisesby engagein interactivelearners can experienceand cases,learnerscanlearn playingdifferent rolesand discussions,share learningapplyCPE firsthand,practical communicationsimulating communicationexperiences andinsights,improving learningskills andstrategies.scenarios intheworkplace.and progresstogether.effectiveness.Basic knowledgeof02communicationOverview ofCommunication SystemCommunicationsystem Classificationofcomposition communication systemsThe communication system mainlyconsists ofa Communicationsystems can be divided intosignal source,a transmittingdevice,a channel,a two categories:analog communication systemsreceiving device,and asink,where theand digitalcommunication systems.Analogtransmitting andreceiving devicesare communicationsystems transmitinformationcollectively referredto ascommunication devices.through continuousanalog signals,while digitalcommunicationsystems transmitinformationthrough discretedigital signals.Signal andSpectrum要点一要点二Signals andsignal typesSpectrum andspectrumanalysisSignals arecarriers of information and can beSpectrum is the frequencydomain representationofdivided intotwocategories:deterministic signalsand asignal,and throughspectrum analysis,therandom signals.Deterministic signalscan befrequency componentsof thesignal and thedescribed usingdeterministic mathematicalfunctions,amplitude and phase informationof eachfrequencywhile stochasticsignals cannotbe describedusing componentcan beunderstood.deterministic mathematicalfunctions.Modulation andDemodulationModulation andCommon modulationDemodulationPrinciple methodsModulationis atechnique ofloading low-Common modulationmethods includefrequencysignals ontohigh-frequency carriers,amplitude modulationAM,frequencywhile demodulationis theprocess ofextracting modulationFM,andphasemodulation PM,low-frequency modulatedsignals fromthe eachof which has itsown characteristicsand ismodulatedsignals.Modulation andsuitable fordifferent applicationscenarios.demodulation arecrucial stepsin achievingsignaltransmission incommunicationsystems.Channel Capacityand ShannonsTheoryChannel capacityand Shannons theoremChannel capacityis themaximum amountofinformationthat achannel cantransmit.Shannonstheoremprovides therelationship betweenchannelcapacity andsignal-to-noise ratiounder certainconditions,providingimportant guidancefor thedesign andoptimization ofcommunicationsystems.The applicationof ShannonsformulaShannons formulacanbeused toevaluate theperformance ofcommunicationsystems,such asdata transmissionrate,bit errorrate,etc.,in orderto guidetheselection andoptimization ofcommunicationsystemparameters.Communication protocols03and standardsTCP/IP protocolfamilyThe TCP/IP protocolfamily is the coreprotocol of the Internet,which includesTransmissionControl ProtocolTCP andNetwork ProtocolIP.TCP is responsible forreliable datatransmission,while IPisresponsible for datarouting.The TCP/IP protocolfamily iswidely usedin variousnetwork environments,including localareanetworks,wide areanetworks,andtheInternet.OSI modelThe OSI modelOpen SystemsIt isdividedintoseven levels:TheOSI model providesaInterconnection Referencephysical layer,data link layer,standardized frameworkforModel is a layeredframework networklayer,transport layer,communication betweenfordescribing computersession layer,presentationdifferent systems.network protocols.layer,and applicationlayer.IEEE
802.11standard WiFiIEEE
802.11is the standard forWireless LocalArea NetworkWLAN,also knownas WiFi.It definesthe specificationsfor thephysical layerand datalinklayer ofwireless networks.The
802.11standard supportsmultiple transmissionrates,including2Mbps,54Mbps,and600Mbps.LTE/5G standardLTELong TermEvolution TheLTE/5G standardprovides Theyare thefoundation ofTechnologyisthefourth high-speed,low latencydata modernmobilegeneration mobiletransmission services,communication networks,communication technology,supporting variousdevices providingsupport forwhile5G isthe fifthgeneration andservices.emerging technologiessuchmobile communicationas theInternet ofThings,technology.cloud computing,and bigdata.Communication04equipment andtechnologySwitchand routerSwitch:A networkswitch is a device that forwardsRouter:A routerisadevice thatforwards dataandfilters datapackets between different packetsbetweendifferentnetworks Itworks atnetworksegments Itworks atthe datalinklayerthe networklayer Layer3of theOSI modelLayer2oftheOSImodelSwitches canbe Routershave theability toroute databetweenmanaged orunmanaged,depending on their differentIP subnetsandcanhandle bothIPv4andcapabilities andfeatures Managedswitches IPv6traffic Routersare responsiblefor makingprovidemore advancedconfiguration options,routing decisionsbased ondestination IPsuch as VLANsupport,port truncation,and trafficaddresses androuting tablesshapingBaseStation andWireless AccessNetworkBase StationWireless AccessNetworkA basestation isa stationtransmitter thatA wirelessaccess networkprovides wirelessprovideswireless communicationservices toconnectivity toend users,suchaslaptops,mobile deviceswithin acentral geographicarea smartphones,and tabletsIt allowsusers to accessBase stationsare connectedto thecore networkthe internetor othernetwork serviceswithoutand areresponsibleforhandling calls,texts,and beingphysically connectedtoawired networkdatatraffic formobile subscribersThey transmitWireless accessnetworks canbe deployedusingand receivesignals usingants mountedon towersvarious technologies,including WiFi,Bluetooth,or otherstructures andcellular networksOpticalcommunication technologyOpticalFiber DWDMOpticalfiber isa typeof transmissionmedium DenseWavelength DivisionMultiplexing DWDMusedin optical communicationsystemsIt insistsisatechnology thatallows multipleopticalof athin glassor plasticfiber thatguides lightsignals tobe transmittedon thesame opticalwavesthrough internalreflection Opticalfiber hasfiber byusing differentwavelengths colorsofseveral advantagesover copperwire,including lightDWDM systemssignificantly increasethehigher bandwidth,lower loss,and bettercapacity ofopticalcommunicationnetworks byresistanceto electromagneticinterference enablingthe transmissionof multiplesignals atthesame timeonthesame fiberQuantumcommunication technology•Quantum KeyDistribution QKD:Quantum KeyDistribution QKDis amethodfor securelygenerating andsharing encryptionkeys betweentwoparties usingquantum mechanismsprinciples QKDsystems usequantumstates oflight toestablish arandom encryptionkey thatcannotbe interceptedwithout detectionThis technologyoffer isahigher levelof securitycompared totraditional keyexchange methods•Quantum Teleportation:Quantum teleportationistheprocess oftransferring quantumstates fromone particletoanother particlelocated faraway usingclassical communication and angleIt allowstwo partsto sharequantumstates withoutphysically sendingthe particlesthemselves,whichhaspotential applicationsin securequantumcommunicationanddistributed quantumcomputingEnglish Terminologyfor05CommunicationCommunication networkterminationInternetA globalsystem ofinterconnected computernetworksthat usesthestandardInternet protocolsuiteto servebills ofusers worldwideProtocolA set ofrules andconventions usedby computersorcommunication devicesto exchangedata orinformationin astandardized wayRouterAdevice thatforwards datapackets betweennetworksusing routingtables andnetwork addresstranslationTerminologyfor communicationequipmentReceiverA device that sendsand receivessignals,typically usedinradio ortelecommunications systemsMicrophoneAdevicethatconverts sound waves intoelectrical signals,used forrecording orbroadcasting soundSpeakerAdevicethatconverts electricalsignals intosoundwaves,used forreproducing soundCommunicationprotocolsandstandardterminologySMTP SimpleMail TransferProtocolA standardprotocol usedfor sendingemail messagesbetween serversFTPFile TransferProtocolA standardprotocol usedfor uploadingand downloadingfiles froma remoteserverTCP/IP TransmissionContr…Asetof protocolsthat definehow computersand devicescommunicate overanetworkApplication of06CommunicationProfessional EnglishAcademic paper readingAcademicPaper ReadingPPT courseware canhelp learnersbetter understandthe applicationof professionalEnglishin academicpaper reading,provide explanationsof vocabulary,grammar,and sentencepatterns,as wellas guidanceon readingskills.AcademicpapertranslationPPT courseware can providetranslation exercisesfor academicpapers,help learnersimprovetheir professionalEnglish translationability,and promotecross-culturalcommunication.International ConferenceExchangeConference communicationConference ReportskillsPresentationPPT coursewarecan introduce the basicskills andPPT coursewarecan providepresentationetiquette ofinternational conferencetemplates andtechniques forconference reports,communication,help learnersbetter participatein helping learners prepareprofessional andhigh-international conferencecommunication,and qualityconference reportpresentations.improve cross-cultural communicationskills.Technical WriterTechnicalWriting TechnicaldocumentStandards proofreadingPPTcoursewarecanintroducethePPTcoursewarecan providebasicstandards andrequirements ofproofreading exercisesfor technicaltechnicalwriting,helping learnersdocuments,helpinglearnersimprovemaster professionaland accuratetheir proofreadingability andensuretechnical documentwriting skills.the qualityand accuracyof technicaldocuments.。