多音頻短波信道模擬器的研究與實(shí)現(xiàn).pdf

1、華中科技大學(xué)碩士學(xué)位論文多音頻短波信道模擬器的研究與實(shí)現(xiàn)姓名：周卓明申請(qǐng)學(xué)位級(jí)別：碩士專業(yè)：通信與信息系統(tǒng)指導(dǎo)教師：袁巍20110109IIAbstractWiththeemergenceofwirelesscommunicationsystemnowadaysshtwavecommunicationisalwaysamaintechnologyininterstatelongdistancecommunication.Atthelat

2、erstageofthedevelopmentofshtwavecommunicationsystemsthetestprocedurealwaysfacestheobstaclesoftheproblemscausedbythetimevariationunpredictabilityofshtwavechannelswhichdramaticallydelaysdevelopmentprocedure.Howeverifthetes

3、tofthesystemweredoneinthelabatyconditionswiththehelpofthesimulatedshtwavechanneltheresearchdevelopmentperiodofthesystemshouldbedecreasedlargely.Thisthesisinvestigatestheacteristicsofmultiaudioshtwavechannelrelatedtopicsd

4、esignsasolutionfsimulatingthemultiaudioshtwavechannel.EspeciallyconsideringtheschedulingofmultipleaudioinputsthisthesisprovidesanIPC(IndustrialPersonalComputer)designwithmultiplesoundcards.Indertoreducethecomplexityinfol

5、lowingsystemtestshtenthedevelopmentlifecyclethiswkprovidesdetailedimplementationvalidatesthefeasibility.InthisprojectweproposethedesignofIPCwithmultiplesoundcardsaswellasthreeconditionsthataffectthemultiaudioschedulingst

6、rategy.ThenwedesignimplementthemultisoundcardIPCthatcanrecognizemultiplesoundcardsschedulethemefficiently.ThisthesisinvestigatesseveralwidelyusedshtwavechannelmodelsrespectivelysuchasWattersonHoffmeyerParallelsubbmodelet

7、c.WeimplementtheshtwavesimulatbasedonWattersonmodelachievethegoalofsimulatingtheshtwavechannelwithmultipleaudioinputs.AtlastweconductdetailedtestsfthemultisoundcardIPCshtwavechannelsimulat.Amountoftestdatavalidatesvariou