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基于USB的便携式导弹遥测舱数据采集系统设计.docx

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基于USB的便携式导弹遥测舱数据采集系统设计 Abstract ThedesignofaUSB-basedportablemissiletelemetrycabindataacquisitionsystemispresentedinthispaper.Thesystemutilizesanembeddedmicrocontrollertoacquire,process,andtransmitreal-timetelemetrydatafromamissileduringflighttesting.Thesystemarchitectureincorporateslow-powerandlow-costdesigntechniquestoensurethesystemisbothefficientandportable.Thesystemhasbeensuccessfullytestedinthefieldandhasdemonstratedhighlyaccuratedataacquisitioncapabilities. Introduction Theimportanceoftelemetrydatainmissileflighttestingcannotbeoverstated.Telemetrydataistheprimarysourceofinformationaboutamissile’sperformanceduringtesting.Thisdataisusedtoevaluatethemissile’sflightcharacteristics,determinetheeffectsofvarioustestconditions,andidentifyanypotentialissueswiththemissile’sguidancesystem.Inordertocollecttelemetrydata,adataacquisitionsystemmustbeinstalledonthemissile.However,installingatraditionaldataacquisitionsystemcanbebothcostlyandtime-consuming. Thepurposeofthispaperistopresentalow-cost,highlyportabletelemetrydataacquisitionsystemdesignedspecificallyformissileflighttesting.Thissystemutilizesanembeddedmicrocontrollertoacquiredataandtransmititinreal-timeviaaUSBconnection.Thesystemhasbeendesignedtobeeasilyinstalledonanymissileortestarticleandiscapableofaccuratelyacquiringallrelevanttelemetrydata. SystemArchitecture ThesystemarchitectureoftheUSB-basedportablemissiletelemetrycabindataacquisitionsystemisshowninFigure1.Thesystemiscomposedoftwomaincomponents:thetelemetrycabinandthegroundstation.Thetelemetrycabinisinstalledonthemissileitselfandisresponsibleforacquiringandtransmittingreal-timetelemetrydata.Thegroundstationreceivesthedatatransmittedbythetelemetrycabinandisresponsiblefordisplayingandstoringthedata. Thetelemetrycabinconsistsofanembeddedmicrocontroller,atelemetrymodule,andpowermanagementcircuitry.Theembeddedmicrocontrollerisresponsibleforacquiring,processing,andtransmittingthetelemetrydata.Thetelemetrymodulereceivesdatafromthemissile’ssensorsandencodesthedatafor