新型chen mobius语音通信系统研究及fpga设计与实现-research on a new chen mobius voice communication system and design and implementation of fpga.docxVIP
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新型chen mobius语音通信系统研究及fpga设计与实现-research on a new chen mobius voice communication system and design and implementation of fpga
试,很好地实现了实时语音双工通信,从而验证设计的可行性与正确性,实现了系统预期的目标。Mobius变换在通信系统领域的研究还很少,而实际的应用还处在起步阶段,本文是首次将Chen-Mobius变换应用于语音通信领域,它仅仅是对语音的一种调制加密,不影响现存的各种语音加密技术与算法,因此,具有巨大的研究价值与实际应用意义。它是Chen-Mobius变换在通信领域中应用的一次成功的探索与尝试,为Mobius变换在通信领域的应用迈出了坚实的一步。关键词:语音通信;Mobius变换;DSPBuilder;QuartusII;FPGAAbstractVoiceasacommonformofcommunicationisanimportantmeansforpeopletoobtaininformation.Asmodernsocietyisgraduallyincreasingdemandforvoicecommunication,thereliabilityandsecurityofvoicecommunicationhavebecomemoreandmoreimportant.Themainpurposeofthispaperistodesignandimplementanewtypeofvoicecommunicationsystem.Mobiusfunctionisoneofsimpleandmysteriousfunctionsinnumbertheory.SincetheNinetiesofthelastcentury,ProfessorChenNanxianwhoisaChinesewell-knownscholarandanacademicianoftheChineseAcademyofScienceshascreatedandpromotedtheapplicationofMobiusinversionformulatosolvetheinverseprobleminappliedphysicsandhehasachievedmanyimportantscientificachievements.ProfessorSuWuxunetalofHuaQiaoUniversityappliedthemethodofMobiusinversetransformtothecommunicationsystem.TheyusedtheChen-MobiustransformmethodtotheFourierseriesofseveralcommonlyuseddigitalsignalsandfoundtwofunctionfamilieswhicharedifferentfromorthogonaltrigonometricfunctionfamilyandnon-orthogonalinsideitselfbutmutuallyorthogonalwitheachother.ThentheyappliedthetwomutuallyorthogonalfunctionfamiliestocommunicationsystemandproposedanewconceptofChen-Mobiuscommunicationsystem.Duetotheirowncharacteristics,intheorythetwofunctionfamiliescanimprovesystemperformance.Sothisarticlewasbasedonthenewcommunicationsystemwhichhasabetteranti-noiseperformanceandsecurityadvantages,proposedanddesignedanewChen-Mobiusfull-duplexvoicecommunicationsystem.WestudiedtheperformanceofthenewsystembysystemsimulationandeventuallyimplementedthenewvoicecommunicationsystemonAlteraFPGAchips.Tothisend,thispaperhasmadethefollowingresearchanddevelopmentwork:DeeplystudiedtheMobiustransformationtheoryandtheappliedtheoryofMobiustransformationincommunicationsystem;carefullyanalyzedvariousaspectsofthesystem’skeyt
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