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ID:36632548
大小:1.77 MB
页数:66页
时间:2019-05-13
《机动目标跟踪理论的研究及其应用》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、西北工业大学硕士学位论文机动目标跟踪理论的研究及其应用姓名:赵敏申请学位级别:硕士专业:电路与系统指导教师:李辉20060301AbstractNumerousapplicationsassociatedwithmaneuveringtargettrackingcanbefoundforbothmilitaryandcivilpurposes.Theresearchersallovertheworldhavebeenengagedinthearea,andmanyplentifulandsubstantialresultshavebeenacquired
2、.Duetomoreandmorecomplexenvironmentandthegreatchangeofmaneuveringcharacteristics,moresophisticatedtrackingsystemsaredesiredforvariousappliedsystems.Sothestudyonmaneuveringtargettracking(MTT)basedonthecontributionofotherresearchersisnecessary.ThebasicprincipleofMTTisintroducedinth
3、edissertation,andthenthetrackingamaneuveringtarget,atargetandmultipletargetsinclutterisdiscussedwiththeuseof’Frack—While—ScanRader,Thealgorithmsinthedissertationaremainlyassociatedwiththeadaptivefilteranddataassociation.Becauseofthecomputationofthejointprobabilisticdataassociatio
4、n(JPDA)algorithm,anewdataassociationalgorithm(LPDA)basedonlinearprogrammingisintroduced.TheLPDAmethodissuperiortotheJPDAmethodinthesensethattheLPDAoffersamuchhigherdataassociationaccuracyaswellassubstantiallylowercomputationalcomplexity.Thenanewalgorithm(IMMLPDA)thatcombinestheLP
5、DAmethodandinteractingmultiplemodelmethod(IMM)isproposedtotrackmultiplemaneuveringtargetsindenseclutter.Thenewalgorithmcandealwiththeproblemsofadaptivefilteranddataassociationatthesametimeperfectly.Comparedwiththetraditionalalgorithmthenewmethodweproposehastheimprovedaccuracyandt
6、helowcomplexity.ItmakestheIMMLPDAmethodaverypracticalapproachtotheproblemofthemultiplemaneuveringtargetstrackinginadenseandclutteredenvironment.Todemonstratetheeffectivenessofthealgorithmsthatarestudiedinthedissertation,alotofcomputersimulationexperimentsaredesignedintheairtraffi
7、ccontrol(ATC)scenario.Keywords:Maneuveringtargettracking,Adaptivefilter,Dataassociationpq北T业大学硕十!学位论文第一章绪论1.1机动目标跟踪理论的研究概况目标跟踪是利用探测器(雷达、声纳、红外等)所获得的运动目标(飞机、坦克、舰艇等)量测,对目标的运动状态(位置、速度、加速度等)进行估计和跟踪的方法。由于量测数据中含有大量的干扰成分,有必要对量测信息进行处理,因此目标跟踪过程岜是一个消除误差的处理过程。在军事和民用领域中,可靠而精确地跟踪目标是目标跟踪系统设计的主要
8、目的。广义上讲目标跟踪可以分为非机动目标跟踪和机动目标跟踪。非机动目标跟踪指的是
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