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ID:31994140
大小:7.42 MB
页数:68页
时间:2019-01-30
《地面数据重构系统的研究和设计》由会员上传分享,免费在线阅读,更多相关内容在学术论文-天天文库。
1、天津大学硕士学位论文地面数据重构系统研究与设计姓名:王建勋申请学位级别:硕士专业:通信与信息系统指导教师:刘开华201005ABSTRACTWitlltllecontinuousimpr0VementofliViIlgst锄dards,TraVelbyplanehasbecomemoreandmorepeople’schoice,tlleniglltsafe锣alsoneedex昀attemion.Du血g也enigllttest0rn0姗alni曲t,AnraRwillproducelotsofcon仃0l觚dmonitoringdala,w11ichisVe巧importantbasis
2、t0monitor锄dimprovetlleplain.Althoughthemostail.craR黜installedtheflightdatarecorder(FDR)t0recordthesedata,嬲timesprogress,needequipmentminiamrization,iIltelligent,anti-j龇mIling,锄dcanadapttocomplexsituation.Theref0他,itisimportantt0deVelopthe£Iatareconstnlctionsystemon目-ound.Theda胞recomtnlctionsystemon
3、掣‘oundconsistsofhardwareacquisitionsyst锄觚dda协playback∞脚are.Thismesismailllycomplet酣tllepr0伊猢ing锄ddebuggillgofdataplaybacksonware,髓dmadeadetaileddesc6ptionofhardwa∞acquisitionsystem锄dmeRLEcomprcssionalgoritllIll.Thedesignofdataplaybackso腑areb舔cdonVC++6.0platfom,弱mesystemcollectedm硒sivedata如duscdmeRL
4、Ecomprcssiona190rith:m,sothedataplaybackne酣edusingm锄。巧矗lemappingt0readdatafiles锄dreal—timedecompressionwhileindataprocessing,theso矗war.ealsoneedgettiIlgtllea_bsolutepositionofsecondtiInest暑lmpbyconVening也eori西naltimescalefile.whenprocessing锄ddisplayingm勰sivedatafiles,thesoRwarediVidedintotwocasesab
5、outcoa墙eresolution蛆df-me豫solu廿on'pulsedatac粕bef如t如daccllraLtelydisplayedbasedon也euserinput锄dthecu玎entstateofthesoRwareprocessing.The陀aremany胁ctionalmodulesin№playbacksoftwarc,访cludingpulsedatascaling,f犯tme嬲ur啪ent,selecting粕ddisplayiIlgthetimeperiod,infonnationtips,sha中shootiIlgimages锄dso0n.Thereali
6、盈tionofallthe允nctionmodulesmustbeprog舳medandintegratewittldataprDcessinganddisplaying.Aneralongpedodofprog姗ming锄ddebug百ng,allthebasicmnctio鹏ofdataplaybacksoRwarehasbe锄completed,也esoRwa阳h嬲beentestedaRerdelivery,tllatachievestllerequirementsofmeusersanddesigngoals.KEYWoRDS:Memoryfilem印ping,Timestampt
7、mnsfomlation,Secondtimestamp,Pulsedata第一章绪论1.1课题背景地面数据重构系统是天津大学信息学院与航天科工集团某所的合作项目,是对飞机的重要状态参数进行采集、压缩、存贮、处理和显示的系统。飞机在进行飞行试验和正常飞行时,会产生海量的状态控制和监控数据,而这些状态参数都需要进行实时的测量和记录,在完成飞行试验或飞机安全落地后进行相应的处理和显示,以此作为判断和采取相应的措施
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