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1、小型动物神经信号无线记录系统的设计ABSTRACTIntheexperimentsofthegeckoneuralrecordingunderthestimulationoftheolfactoryodor,afundamentalchallengeisinstrumentingbehavinggeckowithhardwarefordatecollectionandtransmission.Inordertoallowthesubject（thegecko）moremobilityandamorenaturerespon
2、setothegivenodor,amuti-channelwirelessneuralrecordingsystemwasdesignedandtested.Theestablishmentofthesystemisgreatsignificantforgettingandresearchingthesmallanimals’spikeoftheneuralresponsesignalsinanaturalstate.Firstly,thispaperintroducestheoptionsforthesystemand
3、structuredesignofminiaturewirelessneuralrecordinginaccordancewiththecharacteristicsandperformanceoftheanimalneuralsignalsandthesystemrequirements.Secondly,thepaperdiscussesthedataacquisitionsystem,whichmakesfulluseoftheperipheralchipADCofTMS320F2812anditsrapidconv
4、ersiontime,real-timeaccuratedatacollectionandstoragedatasamplingratescanchangewiththeinputsignalfrequency.Inthesystem,wepayedparticularattentiontodatacollectionaccuracyandspeed;Simultaneously,thepaperdesignsthewirelesshardwarepartsofthesystem,includingRFchipsnRF24
5、01A,radiofrequencycircuitsandtheinterfacecircuitwithPC;wealsocompletethewirelessrecordingsystemsoftwaredesignusingtheClanguage,includingdatacollection,wirelesssendandreceiveprogramming,andcommunicationprogramwithPC,aswellastheneuralsignalanalyticalprocessinginLabV
6、IEWprogram.Finally,thesystemwastestedthroughtheDCconstant,sinusoidalsignalandthelargegeckonervetestsignal.Theresultsshowthefeasibilityofthesysteminsmallanimalminiaturewirelessneuralrecording.Keywords:neuralsignalsrecording,wireless,DSP,LabVIEWII南京航空航天大学硕士学位论文图、表清单
7、图1.1大壁虎嗅球神经元放电信号有线记录实验.....................................................................1图2.1动作电位示意图.................................................................................................................5图2.2蓝牙标准协议栈组成图.................................
8、....................................................................8图2.3小型动物神经信号无线记录系统组成...............................................................
