threat assessment of targets based on support vector machine

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1、ThreatAssessmentofTargetsBasedonSupportVectorMachineJOURNALOFCHINAORDNANCEArticleID:1673.002X(2006)03.0173.05CAIHuai—ping(蔡怀平),LIUJing—xu(刘靖旭),SchoolofInformationSystemandManagement,NationalUniversityofDefenseCHENYing.wu(陈英武)Technology,Changsha410073Hu

2、nan,ChinaAbstract:Inthecontextofcooperativeengagementofarmoredvehicles,thethreatfactorsofoffensivetargetsareana-lyzed,andathreatassessment(TA)modelisbuiltbasedonasupportvectormachine(SVM)method.TheSVM-basedmodelhassomeadvantagesoverthetraditionalmethod

3、.basedmodels:thecomplexfactorsofthreatareconsideredinthecooperativeengagement;theshortcomingsofneuralnetworks,suchaslocalminimumand"overfitting",areovercometoimprovethegeneralizationability;itsoperationspeedishighandmeetstheneedsofrealtimeC2ofcooperati

4、veengage-ment;theassessmentresultscouldbemorereasonablebecauseofitsself-learningcapability.TheanalysisandsimulationindicatethattheSVMmethodisaneffectivemethodtoresolvetheTAproblems.KeyWords:threatassessment;SVM;cooperativeengagement;armoredvehicleIntro

5、ductionTAisanimportantpartofC2,andhelpsthecommanderstorightlyjudgethebattlefieldsituationandtrulydeploytheforces.TherearetwoproblemsinthetraditionalTAmodels.Oneisthatdynamicfactorsareoftenignored,andthecooperationofthetargetsintheairandonthegroundisnot

6、considered.Theotheristhatthespeedofcalculationandtheac—curacyofassessmentresultarenotsatisfactory[.-2].Withthecombinationofthethoughtofcoopera—tiontacticsandtheSVMmethod,thispaperassessesthethreatoftargetsinthecontextofcooperativeen—gagementofarmoredve

7、hicles.Thus,itputsforwardasimpleandeffectiveTAmethodofgroundcoopera—tireengagementandlaysagoodfoundationforstudy—ingtheaideddecisionofgroundcooperation.AnalysisofInfluenceFactorsofThreatTheinfluencefactorsofthreatcouldbeanalyzedfromtheattributesoftarge

8、ts,theimportanceofde—fenseareaandtheperformanceofweapons[一(Fig.1).1)TheattributeofthreattargetsTheattributeoftargetsincludestypeandstateoftargetsetc.Theextentofthreatisrelativetothetypeoftargets.Ingroundcooperativeengagements,thereareai