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,Changsha410073Hunan,ChinaAbstract:Inthecon

2、textofcooperativeengagementofarmoredvehicles,thethreatfactorsofoffensivetargetsareana-lyzed,andathreatassessment(TA)modelisbuiltbasedonasupportvectormachine(SVM)method.TheSVM-basedmodelhassomeadvantagesoverthetraditionalmethod.basedmodels:thecomplexfactorsofthreatareconsideredi

3、nthecooperativeengagement;theshortcomingsofneuralnetworks,suchaslocalminimumand"overfitting",areovercometoimprovethegeneralizationability;itsoperationspeedishighandmeetstheneedsofrealtimeC2ofcooperativeengage-ment;theassessmentresultscouldbemorereasonablebecauseofitsself-learni

4、ngcapability.TheanalysisandsimulationindicatethattheSVMmethodisaneffectivemethodtoresolvetheTAproblems.KeyWords:threatassessment;SVM;cooperativeengagement;armoredvehicleIntroductionTAisanimportantpartofC2,andhelpsthecommanderstorightlyjudgethebattlefieldsituationandtrulydeployt

5、heforces.TherearetwoproblemsinthetraditionalTAmodels.Oneisthatdynamicfactorsareoftenignored,andthecooperationofthetargetsintheairandonthegroundisnotconsidered.Theotheristhatthespeedofcalculationandtheac—curacyofassessmentresultarenotsatisfactory[.-2].Withthecombinationofthethou

6、ghtofcoopera—tiontacticsandtheSVMmethod,thispaperassessesthethreatoftargetsinthecontextofcooperativeen—gagementofarmoredvehicles.Thus,itputsforwardasimpleandeffectiveTAmethodofgroundcoopera—tireengagementandlaysagoodfoundationforstudy—ingtheaideddecisionofgroundcooperation.Anal

7、ysisofInfluenceFactorsofThreatTheinfluencefactorsofthreatcouldbeanalyzedfromtheattributesoftargets,theimportanceofde—fenseareaandtheperformanceofweapons[一(Fig.1).1)TheattributeofthreattargetsTheattributeoftargetsincludestypeandstateoftargetsetc.Theextentofthreatisrelativetothet

8、ypeoftargets.Ingroundcooperativeengagements,thereareai