混沌通信技术研究及其进展

730000email:[e-mail]:019901234CSK1s)(tx)(ts)(tsx)(ˆt1_______________________________________________________________________________[1,2,3]12)()()(txtstsx=)()()(txtstsx+=3s)()](1[)(txtkstx+=)(ts))(tx)(1t)()()(2tstxt)(ˆt)(ts+=−)(tsx()1ssx(1100)s)(t(ˆs)]()([)21txtxstx≈−=1[4]22.1CSK(ChaosShiftKeying)(CSK)[5]012中国科技论文在线_______________________________________________________________________________{bi}{gi}1Eb2CSK()CSK{bi}bi=1si(t)=g1(t)bi=0si(t)=g2(t)Eb2.2DCSK(DifferentialChaosShiftKeying)(DCSK)()3T{bi}KolumbanDCSK[9,10]FMDCSKFMDCSK(APLL)FMDCSK[11][12](CPS-ChaoticPolyphaseSequence)CPS2.3FM-DCSK3中国科技论文在线_______________________________________________________________________________[9,10]FM-DCSK4APLLFM[0,T/2][T/2,T]()APLLFM()FM-DCSKDCSK3Elmirghani[13][14]4(1)(2)(3)(4)(5)PNMLGold(4中国科技论文在线_______________________________________________________________________________)PNPN0fmf0f02f5Logistic55中国科技论文在线_______________________________________________________________________________(1)(2)()(3)(4)12%(5)LyapunovLyapunov(6)CSKFM-DCSKFM-DCSK(7)[1]M.J.Ogorzalek.Tamingchaos-Part1:Synchronization.IEEETrans.CAS,1993,40(10):693-699[2]M.J.Ogorzalek.Tamingchaos-Part2:control.IEEETrans.CAS,199340(10):700-706[3]K.M.Cuomo,A.V.Oppengein,S.H.Strogatz.SynchronizationofLorenz-basedchaoticcircuitswithapplicationstocommunications.IEEETrans.CASPart1140(10):626-632[4].[J].,1999,27(6):23-266中国科技论文在线_______________________________________________________________________________[5]H.Dedieu,M.P.KennedyM.Hasler.Chaosshiftkeying:modulationanddemodulationChua'scircuits.IEEETrans.CAS,1993,40(10):634-642[6]G.Kolumban,M.P.Kennedy,L.O.Chua.Theroleofsynchronizationindigitalcommunicationsusingchaos-Part2:Chaoticmodulationandchaoticsynchronization.IEEETrans.CAS,1998,45(11):1129-1140[7]M.P.Kennedy,G.Kolumban.Digitalcommunicationsuingchaos.CRCPRESS'99,1-24[8]G.Kolumbanetal.Differentialchaosshiftkeying:Arobustcodingforchaoscommunication.NDES'96,87-92[9]KolumbanG,KennedyMP,JakoZ.FM-DCSK:Anovelmethodforchaoticcommunications[A].ProcIEEE-ISCAS,98[C].Monterey:InternationalSymposiumonCircuitsandSystems,1998.477-480[10]KolumbanGKisGKennedyMP.FM-DCSK:Arobustmodulationschemeforchaoticcommunications[J].IEICETrans1998E81(A9):1798-1802[11]KolumbanG,JakoZKennedyMP.EnhancedversionsofDCSKandFM-DCSKdatatransmissionsystems[J].IEEE-ISCAS,1999(4):475-478[12]LIUJian-boYEChun-fei,ZHANGShu-jing,etal.Theimproveddifferentialchaosshiftkeyingscheme[A].ProcIEEE-ICCT2000[C].Beijing:7thInternationalConferenceonCommunicationTechnology.2000,1361-1363.[13]ElmirghaniJM.Datacommunicationviachaoticencodingandassociatedsecurityissues.IEEEGlobecom.1995:1188-1192[14],,.[J].2000;28(1):99-100[15],.[J].,1998,19(9):47-53[16],.Logistic-Map[J].,1997,18(8):71-77[17],,.[J].,2003,10(2):1017[18].[J].,2001,112(1):4243[19],,.[J].,2002,30(4):470-474[20],,.[J].2002,17(3):307-314[21],,,.[J].2002119091TheStudyandProgressonCommunicationswithChaosMaYideYuanMinLiuQingZhangXinGuo(Theschoolofinformationscience&engineeringofLanzhouUniversity,LanzhouofGansuChina,730000)AbstractAtpresent,communicationswithchaosfrombothathomeandabroadinthe1990'shasgraduallyenteredintoapplication.Theresearchsituationandcharacteristiconcommunicationswithchaoticmasking,chaoticswitching,chaoticparametermodulationandchaoticspreadspectrumareanalyzedindetail.Theapplicationperspectiveandthetrendofdevelopmentoncommunicationswithchaosarediscussed.Keywordscommunicationswithchaoschaoticswitchingchaoticmaskingchaoticspreadspectrumchaoticparametermodulationchaoticsynchronizing7中国科技论文在线_______________________________________________________________________________中国科技论文在线_______________________________________________________________________________