Communication technology

Traininggoals

CommunicationtechnologyTheprofessionaltrainingistomeettheneedsofproduction,construction,management,andserviceforthefrontlineneedsofmoral,intellectual,andphysicaldevelopmentThegraduatesofadvancedtechnicalapplication-orientedprofessionals,graduatesareapplication-orientedwhomasterthebasictheoriesandtechnologiesincommunicationengineering,havetheabilitytooperate,maintainandmanagecommunicationsystems,andhavetheabilitytoinstall,debugandtroubleshootcommunicationequipment.Thefirst-linetechnicalapplicationtalentsofcommunicationengineeringconstructionorganizationandmanagementcapabilities.Personnelwhoareproficientinthemaintenance,application,debuggingandmaintenanceofcommunicationequipmentandrelatedequipment.

Employmentadvantage

Withtheadventof3Gand4Gcommunicationsandthedevelopmentoffuturecommunications,thedemandforcommunicationstechnologytalentsisincreasing.Manycollegeshaveestablishedcommunicationtechnologymajors,whicharemainlyforthedesignanddevelopment,production,installationandcommissioning,operationandmaintenance,failureanalysis,marketingandafter-salesserviceofcommunicationproductsandequipment.Cooperativeenterprisesmainlyincludemorethan10"dualsystem"school-enterprisecooperativeenterprises,"order-basedschool-enterprisecooperativeenterprises",ChinaTelecom,ChinaMobile,andChinaUnicom.

Jobs

Takethemarketastheguideandexpandtheemploymentofstudentsastheprinciple.Itmainlyincludesthefollowinglevels:

First,processingandmanufacturing.Thisismainlytotrainhigh-qualitytechnicalworkerswhounderstandtechnologyandprinciplesonthefrontlineforvariouscommunicationandelectronicproductmanufacturingenterprises.Thequalityofmycountry'sfinishingmanufacturingindustryisnothighintheworldlevel,mainlybecausetheculturalqualityofmycountry'sfront-lineworkersislow,andtheyonlyunderstandoperationbutdonotunderstandtechnology.Therefore,consideringthisaspectofemploymentprospectsisthemostpromising.

Second,generalmanagers.Thepersonnelatthislevelaregeneralmanagersinenterprises,institutionsordepartments,andmaintainandmanagethecommunicationandnetworkequipmentoftheunit.Thispartoftheworkrequiresstudentstohaveadeeperunderstandingofthebasicsofcommunicationandbeabletoindependentlymaintainandmanageequipment.Canprovidegoodcommunicationtechnicalsupporttotheunit.

Third,communicationsengineers.Thislevelrequiresstudentstofullymasterthebasicknowledgeofcommunication,andbeabletoinstall,debug,maintain,upgradeandimprovecommunicationequipment.Canparticipateinthedesignanddevelopmentofnewcommunicationequipment.Understandthefrontiersofthedevelopmentofthismajor,andhavecertainscientificresearchandpracticalworkcapabilities.

Maincourses

Themainprofessionalcoursessetupbythismajorareadvancedmathematics,engineeringmathematics,collegeEnglish,circuitanalysis,analogelectronictechnology,signalandsystem,communicationelectroniccircuit,single-chiptechnology,EDAtechnology,integrateddesignofelectroniccircuits,principlesofdigitalcommunication,basisofdigitalsignalprocessing,DSPtechnology,moderncommunicationnetworktechnology,modernopticalfibercommunicationtechnology.

Capabilitystructure

(1)Understandthefrontierdevelopmenttrendofcommunicationengineeringdisciplines,andhavethebasicabilitytodesign,develop,debug,engineeringapplicationandmaintenanceofcommunicationsystemsandcommunicationnetworks;

(2)Haveengineeringcalculation,electroniccircuitdesignandproductioncapabilities;

(3)Canreadanddrawelectronicproductcircuitdiagramsandanalyzeworkingprinciples;

(4)Possesstheabilityoflistening,speaking,reading,writingandthebasicabilityoftranslatingforeignlanguagematerials,andmustpassCETlevelthree;

(5)Possessbasiccomputeroperationandprogrammingability,befamiliarwithandTomastercommonlyusedofficesoftwareandprofessionalsoftware,itisrequiredtopassprovincialcomputerleveltwo;

(6)Obtaingoodengineeringpracticetraining,andhavecertainscientificresearchandpracticalworkcapabilities;

(7)Possesscertainorganizationmanagementandexternalcommunicationbusinesscapabilities;

(8)Masterthebasicmethodsofdocumentretrievalanddataquery.

Aerospace

Aerospaceapplicationcommunicationtechnologyrealizesradioinformationtransmissionbetweenaircraftorbetweenaircraftandearthstation.Accordingtothedifferentcommunicationdistances,itcanbedividedintoaeronauticalcommunication(in-atmosphere)technologyandaerospacecommunication(out-of-atmosphere)technology.

Technicalcontent

Aerospacecommunicationtechnologyincludesdigitalcommunication,analogcommunicationandhybridcommunication.Digitalcommunicationhasstronganti-interferenceability,goodconfidentiality,andautomaticcontrol.Itisconvenienttoconnectequipmentandcomputersandiswidelyusedinaerospace.Therequirementsforaerospacecommunicationequipmentaresmallsize,lightweight,lowpowerconsumption,longlife,highreliability,highdegreeofautomation,strongdataprocessingcapabilities,andadaptabilitytotheatmosphericflightenvironmentandspaceflightenvironment.Aerospacecommunicationgenerallyselectstheappropriatefrequencyaccordingtotheinternationallyagreedfrequencydivision.

Modulationtechnology

Aerospacecommunicationtechnologygenerallyadoptsthefrequencymodulationofanalogcommunicationandthephaseshiftkeyingmodulationmethodofdigitalcommunication.Thisisconducivetomakingfulluseofchannelbandwidthandenergy.Frequencymodulationisamodulationmethodthatchangesthefrequencyofthecarrierorsubcarriertoacertainextenttotransmitinformation.Phaseshiftkeyingmodulationisamodulationmethodthatusesthephasejumpofthecarrierorsubcarriertotransmitinformation.Phaseshiftkeyingisdividedintotwophaseshiftkeying,fourphaseshiftkeyingandmultiplephaseshiftkeying.Amongthem,fourphaseshiftkeyingandeightphaseshiftkeyingmodulationmethodsaremoreefficient.

Datareception

Buimpliedconditions

TheGPSmoduleSiRFStarIIIacceptsthedataofeverysecondoutputposition,usuallythedatainthesimplifieddataformatof$GPRMC,includinglatitude,Thepurposeoflongitude,speed(knot),directionangleofmovement,year,month,hour,minute,second,millisecond,whetherthepositioningdataisvalidorinvalid,andotherimportantinformation.Thesentenceformatisasfollows:

$GPRMC,,,,,,,,,,,,*,HH

Youonlyneedtoknowthelocationinformation,soyoucanactuallyapplyitwhenyoureadit.

<1>:LocaltimerepresentsUTC.Theformatis"Wheneveryminute,hour,minuteandsecond2.

<2>:Theworkrepresentsthecountry.""Theavailabledataisdisplayed,andthe"V"indicatesthatthealertisaccepted,andthereisnoavailabledata.

<2>p>

<3>:Representslatitudedata."Sub-levelformat.Subdivide."

<4>:"N"or"S"representedbylatitudehemisphere.

<5>:Representlongitudedata.FormatandLD

Currentsituation;degreeminutes.sub-sub-sub-sub."

<6>:representsthehemisphereoflongitude,whichis"E"or"

Thesoftwarereadsthelongitudeandlatitudedata,Obtaintheuser’slocationandstopanalyzing,anddeterminetheuser’sspecificlocationtoestablishpeaceinthearea.Themethodisbasedontheuser’ssettingstodeterminethelatitudeandlongitudeofthecenterandlatitudeandlongitudetocalculatethatthecurrentobjectoftheactivitycanexceedthepredeterminedradiusofthepeacefulactivity.ResultsBasedonthediscrimination,setthecorrespondingflag.

Multipleaccesstechnology

Thecommonlyusedmultipleaccessmethodsare:①Frequencydivisionmultipleaccess:usersusepre-allocation,non-overlapping②TimeDivisionMultipleAccess:usersusepre-allocated,non-overlappingtimetoreceive;③SpaceDivisionMultipleAccess:usersusepre-allocated,non-overlappingbeamcoverageareastoreceive;④CodeDivisionMultipleAccess:Usersmakeuseoftheorthogonalityofdifferentcodestructuresforrelevantreception.

Thedevelopmentdirectionofaerospacecommunicationtechnologyis:①Openupnewmillimeterwaveandsubmillimeterwavefrequencybandsforspacecommunication(3×10～3×10MHz),theusablesignalbandwidthcanreach3500MHz,whichcanincreasethecommunicationcapacity.②Improvethecommunicationsystem,suchasadoptingnewmodulationtechnology,codingtechnology,frequencymultiplexingtechnologyandmultipleaccesstechnology.③Improvetheantennapointingandtrackingaccuracyofthecommunicationsystem④Develophigh-speeddatacommunicationandcomputercommunicationtechnology.

Relatedcontent

Mobilecommunicationnetworksaredevelopingrapidly.Itprovidespeoplewithconvenientcommunicationservicesfromvariousfields,andisconstantlyimprovingChangingpeople’slifestyles.Mobilecommunicationtechnologyis4Gcommunicationtechnology.Thewidespreadapplicationof4Gcommunicationtechnologyalsoindicatesthatinthenearfuture,voicecommunicationwillgraduallybereplacedbydatacommunication.5GmobilecommunicationhasgraduallybecomethecurrentThecountry’slatestresearchhotspotsinthefieldofmobilecommunications,forthisreason,countriesarescramblingtoseizetheopportunityandmasterthekeytechnologiesinordertoenhancetheircomprehensivenationalstrength.