36673.多脈沖游標(biāo)擴時測距算法及其應(yīng)用設(shè)計研究

1、廈門大學(xué)碩士學(xué)位論文多脈沖游標(biāo)擴時測距算法及其應(yīng)用設(shè)計研究姓名：房永強申請學(xué)位級別：碩士專業(yè)：電路與系統(tǒng)指導(dǎo)教師：郭東輝20090904ABSTRACTWiththedevelopmentofoptronicsandelectroniCSandtheadventofvariednovellightsources(1aser、infraredlight。etc)inthemodemtimes，noncontactmeasurementba

2、sedonelectromagneticdistancemeasuringtechniquehasacquiredrapiddevelopmentComparedwithartificialmeasurementtheadvantagesofelectromagneticdistancemeasuringtechniqueareasfollows：simplicityofoperation，hi曲accuracyrealtimerapi

3、dmeasurement，safetyandadapttotheruggedmeasuringsurroundingSoithasgraduallybecomehotspotofresearchinworldwidewhichpromotesfurtherstudyinthefieldsoftimeintervalmeasurement，signalmodulation，timediscriminationtechniqueandhig

4、hstabilityoffrequencysourceThemainWOrkofthisthesisisfocusesonpulserangingtechnologyanditsapplicationFirstlythisthesispresentsthemainwaysofelectromagneticdistancemeasurementBymeansofcomparativeanalysis，microwaveran百ngtech

5、niquehasgoodperformancewithenvironmentaladaptabilityandstabilitySOthatit’SsuitableforlevelmeasurementinindustryandhasgoodapplicationprospectsAfterwardswefoCU$onthetimeintervalmeasuringtechniqueofhi曲precision，andthenintro

6、duceanovelmultipulserangingalgorithmbasedontimedomainexpansionwithvernierprincipleAccordingtolevelmeasurementofnoncontactandshortdistanceamicrowavepulsemodulationrangingalgorithm，whichisbasedontimedomainexpansionwithvern

7、ierprincipleandthemethodofcrosscorrelation，isproposedFurthermore，it’SalsoverifiedbycomputersimulationFinallymultipulserangingalgorithmbasedontimedomainexpansionwithvernierprincipleispracticallyappliedtomeasurelengthsofne

8、tworkcablesTheinnovationsandthecharacteristicsofthisthesisareasfollows：(1)Multipulserangingalgorithmbasedontimedomainexpandingtechniquewithvernierprinciplehasbeenpresented，thethoughtofwhichisbasedonthetinydifferencebetwe

9、entheperiodsoftwoclocksThetimeintervalbetween仃ansmittedpulseandreceivedpulseWasinterpolativelyexpandedtoimprovetheaccuracyoftimemeasurement，sothatdistancemeasurementofhighprecisionCanbeachievedFurthermore，themicrowavepul

10、semodulationrangingalgorithmbasedonthetimedomainexpandingtechniquewithvernierandthecrosscorrelationmethodisproposedwhichhasbeensimulatedandverifiedbyADS(2)Astothetimeintervalmeasurementtechnologyfrequencystabilityofclock

11、signalinvernierinterpolationmethodhasbecomeanissueofconcern，andthetheoreticalequationtodeterminethefrequencystabilityofclocksignalisobtainedwiththecertainmeasurementerrorintimedomain(3)Anequipmenttomeasure1engthofstandar

12、d5speciesUTPnetworkcableshasbeenadoptedPulseelectricwaveistransferedbytwistedpairandthemultipulserangingalgorithmbasedontime—domainexpansionwithvernierprinciplehasbeenusedtomeasurethetraveltime，andthenthedistancevalueisc