机动目标跟踪理论的研究及其应用

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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