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基于K60和MQX手持式OTDR系统设计 Title:DesignofHandheldOTDRSystembasedonK60andMQX Abstract: ThispaperpresentsthedesignofahandheldOpticalTimeDomainReflectometer(OTDR)systembasedontheK60microcontrollerandMQXreal-timeoperatingsystem.OTDRisacrucialtoolforcharacterizingopticalfibersintermsoflosses,faults,andquality.PortableOTDRsolutionsprovideconvenienceandflexibilityinthefield,allowingforquickandaccuratetroubleshooting.ThispaperfocusesonthedesignaspectsofahandheldOTDRsystem,includinghardwareselection,softwaredevelopment,andsystemintegration. 1.Introduction: Therapidgrowthofopticalcommunicationnetworkshasincreasedthesignificanceofopticalfibertestingandmaintenance.OTDRsystemsarewidelyusedinthefieldtoanalyzetheperformanceandintegrityofopticalfibersbysendinglightpulsesandmeasuringthereflectedsignal.ThehandheldOTDRsystemprovidesportabilityandeaseofuseinvariousapplicationssuchasinstallation,maintenance,andqualitycontrol. 2.HardwareSelection: ThehardwareselectionforthehandheldOTDRsystemiscriticaltoensurereliableandaccuratemeasurements.TheK60microcontrolleroffershigh-performanceprocessingcapabilities,sufficientmemory,andvariousperipheralinterfaces.Itslowpowerconsumptionmakesitsuitableforportableapplications.Additionalhardwarecomponentsincludeanopticaltransceivermodule,photodiodes,anddisplayscreen.Theselectedcomponentsneedtomeettherequiredspecificationsandprovideappropriateinterfacingoptions. 3.SoftwareDevelopment: ThesoftwaredevelopmentforthehandheldOTDRsysteminvolvestheimplementationoftheuserinterface,signalprocessingalgorithms,anddatastorage.TheMQXreal-timeoperatingsystemprovidesmultitaskingcapabilities,ensuringefficienthandlingofmultipletasksconcurrently.Italsooffersreal-timeresponsivenessandstability,enablingprecisetimemeasurementandaccuratedataanalysis.Thesoftwareinterfaceswiththehardwarecomponents,controlstheopticalpulses,capturesthereflectedsignals,andprocessestheacquireddatafordisplayandanalysis. 4.SystemIntegration: Theintegrationofhardwareandsoftwarecomponentsiscrucialforthesucce

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