嵌入式飛行器語音指令識別技術的研究.pdf

1、南京航空航天大學碩士學位論文嵌入式飛行器語音指令識別技術的研究姓名：李書貞申請學位級別：碩士專業(yè)：測試計量技術及儀器指導教師：施玉霞20090101嵌入式飛行器語音指令識別技術的研究iiABSTRACTThetechnologyofaerocraftspeechcommrecognitionbasedonLinuxsystemintheaerialdomainisstudedinthispaper.Thispaperisfenrichi

2、ngthecontrolmodeofaerocraftlighteningthepilothlingintensityimprovingmanipulativespeedsecurity.Thispaperhasimptantpracticalsignificancevaluefdevelopmentofourcountryaviationproject.Thepaperfirstlyintroducedthespeechcommrec

3、ognitionsystemtheyconstituentrelatedtechnology.Thepaperimprovesconventionalspeechendpointdetectionalgithmresearchsgivesaspeechendpointdectictionalgithmusingmultiplespeechfeaturesfaviationnoise.Thesimulationresultsshowsth

4、eperfmanceofthisendpointdecetionalgithmsurpassestheconventionalalgithmobviouslyunderthebackgroundofaviationnoise.SecondlythispaperusesBarkwavletinMFCCextrationprocesstoremedytheconventionalMFCC’sdrawbackofthepoantinoisep

5、erfmance.ThesimulationresultsprovesthattheantinoiseperfmanceofimprovedMFCCparametersisenhancedobviously.ThenthispaperintroducestheacteristicsofLinuxsystemQt.Aisolatedwdaerocraftspeechcommrecognitionsystemisdesigned.Based

6、onthissystemthispaperdesignesacontinuousspeechcommrecognitionsystemusingtwoleveldynamicprogrammingalgithm.FinallyusingtheintelligentrobotofASMRobotEtobeacontrolequipmentofunmannedaircraftspeechcommrecognitionsystemdisign

7、edcombiningwithtechnologyofwkcommunicationthispaperdesignsrelizesaunmannedaircraftsystemofspeechcommremotecontrol.Therecognitionrateofthesysytemachieves99%.Userentersthespeechcommintoclientterminalthentherecognizedcommis

8、senttointelligentrobotbysocketmechanismcontrolleditsmotion.Experimentalresultsillustratesthattheaccuracyrealtimeofthesystemmeettherequirementofourpracticalapplications.Keywds:Linuxspeechcommaviationnoisemultiplespeechfea