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1、UltrasonicrangingsystemdesignPublicationtitle:SensorReview.Bradford:1993.Vol.ABSTRACT:Ultrasonicrangingtechnologyhaswideusingworthinmanyfields,suchastheindustriallocale,vehiclenavigationandsonarengineering.Nowithasbeenusedinlevelmeasurement,self-guidedautonomousvehicles,fieldwork
2、robotsautomotivenavigation,airandunderwatertargetdetection,identification,locationandsoon.Sothereisanimportantpracticingmeaningtolearntherangingtheoryandwaysdeeply.Toimprovetheprecisionoftheultrasonicrangingsysteminhand,satisfytherequestoftheengineeringpersonnelfortherangingpreci
3、sion,theboundandtheusage,aportableultrasonicrangingsystembasedonthesinglechipprocessorwasdeveloped.Keywords:Ultrasound,RangingSystem,SingleChipProcessor1.IntroductiveWiththedevelopmentofscienceandtechnology,theimprovementofpeople’sstandardofliving,speedingupthedevelopmentandconst
4、ructionofthecity.Urbandrainagesystemhavegreatlydevelopedtheirsituationisconstructionimproving.However,duetohistoricalreasonsmanyunpredictablefactorsinthesynthesisofhertime,thecitydrainagesystem.Inparticulardrainagesystemoftenlagsbehindurbanconstruction.Therefore,thereareoftengood
5、buildingexcavationhasbeenbuildingfacilitiestoupgradethedrainagesystemphenomenon.Itbroughttothecitysewage,anditiscleartothecitysewageanddrainageculvertinthesewagetreatmentsystem.Comfortisveryimportanttopeople’slives.Mobilerobotsdesignedtoclearthedrainageculvertandtheautomaticcontr
6、olsystemFreesewageculvertclearguaranteerobots,therobotisdesignedtocleartheculvertsewagetothecore.Controlsystemisthecorecomponentofthedevelopmentofultrasonicrangefinder.Therefore,itisveryimportanttodesignagoodultrasonicrangefinder.2.AprincipleofultrasonicdistancemeasurementTheappl
7、icationofAT89C51:SCMisamajorpieceofcomputercomponentsareintegratedintothechipmicro-computer.Itisamulti-interfaceandcountingonthemicro-controllerintegration,andintelligenceproductsarewidelyusedinindustrialautomation.andMCS-51microcontrollerisatypicalandrepresentative.Microcontroll
8、ersareusedinamultitudeofcommercialapplic
