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1、UltrasonicrangingsystemdesignPublicationtitle:SensorReview.Bradford:1993.Vol.ABSTRACT:Ultrasonicrangingtechnologyhaswideusingworthinmanyfields,suchastheindustriallocale,vehiclenavigationandsonarengineering.Nowithasbeenusedinlevelmeasurement,self-guidedautonomousvehicles,fieldworkr
2、obotsautomotivenavigation,airandunderwatertargetdetection,identification,locationandsoon.Sothereisanimportantpracticingmeaningtolearntherangingtheoryandwaysdeeply.Toimprovetheprecisionoftheultrasonicrangingsysteminhand,satisfytherequestoftheengineeringpersonnelfortherangingprecisi
3、on,theboundandtheusage,aportableultrasonicrangingsystembasedonthesinglechipprocessorwasdeveloped.Keywords:Ultrasound,RangingSystem,SingleChipProcessor1.IntroductiveWiththedevelopmentofscienceandtechnology,theimprovementofpeople’sstandardofliving,speedingupthedevelopmentandconstruc
4、tionofthecity.Urbandrainagesystemhavegreatlydevelopedtheirsituationisconstructionimproving.However,duetohistoricalreasonsmanyunpredictablefactorsinthesynthesisofhertime,thecitydrainagesystem.Inparticulardrainagesystemoftenlagsbehindurbanconstruction.Therefore,thereareoftengoodbuil
5、dingexcavationhasbeenbuildingfacilitiestoupgradethedrainagesystemphenomenon.Itbroughttothecitysewage,anditiscleartothecitysewageanddrainageculvertinthesewagetreatmentsystem.Comfortisveryimportanttopeople’slives.Mobilerobotsdesignedtoclearthedrainageculvertandtheautomaticcontrolsys
6、temFreesewageculvertclearguaranteerobots,therobotisdesignedtocleartheculvertsewagetothecore.Controlsystemisthecorecomponentofthedevelopmentofultrasonicrangefinder.Therefore,itisveryimportanttodesignagoodultrasonicrangefinder.2.AprincipleofultrasonicdistancemeasurementTheapplicatio
7、nofAT89C51:SCMisamajorpieceofcomputercomponentsareintegratedintothechipmicro-computer.Itisamulti-interfaceandcountingonthemicro-controllerintegration,andintelligenceproductsarewidelyusedinindustrialautomation.andMCS-51microcontrollerisatypicalandrepresentative.Microcontrollersareu
8、sedinamultitudeofcommercialapplic
