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时间:2019-11-26
《基于数据库的收缩型航迹聚类模型仿真研究.pdf》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、½47þ½2ÿ!"1SUVVol.47No.22017#3$AeronauticalComputingTechniqueMar.2017LÞ*~0Fù9;,ù12DE(!"e#NOnop$4qrst6Tu78:;<=>,no300300)34:c6YFG;@HÒ,6©´Ie)õVÍ,MÏNFGÙm¥Òõ<_I1N>I89NÜÝ,ä¸AôÄJIMN]¿j:n'G]¿jKÔ,vtá*NaòILNÂM@ÄJFG)õK@,ym)hcBC),Õ%K?meansFGZuHFGQHX;@,6BCMN]¿jeW^KÔ。gTAÄJFGMN
2、ÀnåæÜÝ。IÞ6¾9t3Gô(HµÎINFG)õVÍ,LÄJFG)õNÈbdhNOPQsN,^MÏNÄJV89%R,pA*K@6òôI>I89v6VqÁZ¯SÁ,K@Z;@6û½(HµÎÄJI)õVqTUVW。567:IL;ÄJFG;ÂM@ÄJFGK@;]¿j89:;<:V355=>?@A:A=BC<:1671?654X(2017)02?0045?04DeflatingTrackClusteringModelSimulationBasedonDatabaseResearchPENGBo(TianjinkeyLabor
3、atoryofAtcOperationPlanningandSafetyTechnology,CivilAviationUniversityofChina,Tianjin300300,China)Abstract:Inviewofthetraditionalclusteringalgorithmcanonlychooseasmallamountofdatasourcetogoonsimulationanalysis,theclusteringeffectcannotreallyreflectthedataflowofmacr
4、oscopiccharacteristicsoftheproblem.Inthispaper,consideringthevasttrackdetectingoutliersinthedataandeliminateoutliers,putforwardanewsimulationmodelbasedondatabaseofdeflatingtrackclustering,thethree?dimensionalspacegrids,theestablishmentofKmeansclusteringandhierarc
5、hicalclusteringalgorithm,doubleinteractiontoidentifyandeliminateoutliersingrid,Solvethekeytechnicalproblemsinthetrackisclustering.Theclusteringofsimulationanalysistothenorthwestof3Ghugeamountsofsecondaryradardata,maketrackclusteringsimulationtimeconsuminglevelsfrom
6、hoursreducedtoseconds,andthetrackdistributioncharacteristicsareclear,macrofeatureextractionforhugeamountsofdatatoverifythenewmodelhasthefeasibilityandsuperiority,thismodelandalgorithmhavethesignificanceofreferencetothesecondaryradartrackdatasimulation.Keywords:data
7、base;trackclustering;deflatingclusteringmodel;outliersDE^À、üg¨7¤hTC%].hA6§M,¸Q!»Oop(!»C%op25u
8、89,ùe^¹0C%IÄhï¹O5í¸Û!»OÍ^ª«C%].opD$±4-T5!»,^?@[4]S;JÅ、Æ[¨¤ophÏí"A6GSm!»C%5opD$4+!"/5m¶t.¾H(ADS?B)!»C%5Ò³,^·ÎC%].hA6¿。ëÙGÎîáZÆ^!»ª«C%].O§M,ÂaÇOèéI!»Ò³;ÈÉ、op,s,FrankRehm[1]è
9、éM;!»'ùA[5]Êg、JT、ËX¨IÄhùÍ´v³OFGÔ,^¸wT_2·¸PQ5]_r?].O;Jop!"/-.¾»5,Â01ï¹´v³¤c[2]*¨¿%^m¶!»C%Ò].op,';Õh©¡?55!»Oa¢,¸QòÄhÃ]57ï¹^Û¹0!»³Ã¼e^5!»AÔ>Ù¾»C'S,m
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