| 摘 要： | I.IlltroductionBearings-onlyunderwatertargetmotionanalysisaimsattheestimationoftargetmotionparametersviabearingobservationsonlyItisassumedherethatthestatisticalcharacteristicsoferrorsoftargetbearingsobservedbydetectorisdetermined.Targetmotionanalysisconsistsoftheestimationofinitialdistanceandbearingbetweentargetandownship,targetcourseandvelocityItneedsmorememoryspaceandprocessingtimeusingbatchprocessingmethod,andfurthermoreunsuitableforrealtimeestimation.Sequentialestimationmethodontheotherha…
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