郑州轻工业学院本科毕业设计(论文)——英文翻译题目阶梯波发生器的设计飞飞飞飞学生姓名飞个个个个个个个个专业班级电子信息科学与技术的的的学号传承飞飞飞飞的院(系)计算机与通信工程学院是是是是指导教师个个个个个个完成时间年月日让人---本文来源于网络,仅供参考,勿照抄,如有侵权请联系删除---英文原文:Analog–digitalcircuitsforsoundlocalizationbasedonthebiologicalauditorysystemKimihiroNishio·TakanoriTomibeReceivedandaccepted:April27,2010AbstractInthisstudy,weproposeananalog–digitalcircuitforsoundlocalizationbasedonthebiologicalauditorysystem.Theproposedcircuitisconstructedwithadelaylineandacomparator.Thedelaylinewasonstructedwiththesimpleanalogcircuitsofthecurrentmode.TheNORcircuitwasusedasthecomparator.Thecurrentmodedelaylinewasevaluatedbyasimulationprogramwithintegratedcircuitemphasis(SPICE).Thetestcircuitwasfabricatedbydiscretemetaloxidesemiconductor(MOS)transistorsonthebreadboard.TheresultwithSPICEandthemeasuredresultsofthetestcircuitshowedthatthetimefortransmittingasignalonthecurrentmodedelaylinebecomesshorterwhenthesoundofthetargetisgreater.Whenthesoundofthetargetwassmall,thetimetakentotransmitthesignalbecamelonger.TheproposedcircuitforsoundlocalizationwasevaluatedbySPICE.TheresultwithSPICEshowedthatthecircuitcangenerateasignaltodetectthepositionofthesoundofthetarget.Wecanrealizeanewtargettrackingsystembyapplyingthisnovelcircuitbasedonthebiologicalauditorysystemtoapreviouslyproposedtrackingsystembasedonthebiologicalvisionsystem.KeywordsSoundlocalization·Auditorysystem·Trackingsystem·Analogcircuit·Digitalcircuit1IntroductionItisnecessaryforaroboticvisionsystem,monitoringsystem,andcollisionavoidancesystemtoquicklycaptureatargetinthecenterofthevisualfield.However,thisisdifficultfortypicalroboticsystemsusingonlyavisionsystemsincetheroboticsystemcannotdetectthetargetwhenthetargetisnotprojectedontothevisualarea.Bothavisionsystemandanauditorysystemexistinthebrainofananimal.Ananimalcancapturethetargetinthecenterofitsvisualareabyusingitsauditorysystem,whichcanprocessthesoundinformationfromthetar---本文来源于网络,仅供参考,勿照抄,如有侵权请联系删除---getanddetectthepositionofthesound,evenifthetargetisnotprojectedontothevisualarea.Recently,manyresearchershaveproposedandfabricatedasimplecomplementarymetaloxideemiconductor(CMOS)circuitforatarget-trackingsystembasedonthebiologicalvisionsystem.1–5Sincethecircuitswereproposedbymimickingthevisionsystemonly,aroboticsystemcouldnottrackthetargetwhenthetargetwasnotprojectedontothephotodiodearraywhichistheinputsystem.Inaddition,aroboticsystemcouldnottrackthetargetinalightlesssituationsincethedynamicrangeofthelightintensitycircuitwassmall.Ifacircuitbasedonthevisionsystemisconnectedwithacircuitbasedontheauditorysystem,itwillbeabletotrackthetargetinvarioussituations.However,therearenosimplecircuitsbasedontheauditorysystem..L.A.Jeffress6proposedamodelforsoundlocalizationbasedonthebiologicalauditorysystem.Sincethemodelisconstructedwithadelaylineandacomparator,thestructureissimple.6,7Inthisstudy,weproposedasimpleanalog–digitalcircuitforsoundlocalizationbasedonthemodelbyL.A.Jeffress.Wealsotriedtodevelopasimpleanalogcircuitforadelayline.Wecalledthedelaylinethecurrentmodedelayline.TheNORcircuitwasusedasthecomparator.Theresultswiththesimulationprogramwithintegratedcircuitemphasis(SPICE),andthemeasuredresultof...