Adaptive modified hough transform track initiator for HFSWR tracking of fast and small targets

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摘要 Highfrequencysurfacewaveradar(HFSWR)iswellprovedtohaveoverthehorizon(OTH)detectioncapabilitytoweakaerialtargets,suchasconcealedairplanesorcruisemissiles.ThemostimportantproblemofdetectionoffastandsmalltargetsusingHFSWRisearlierwarning,i.e.enlargementofdetectionrangeoftargets.Therefore,thedetectionthresholdshouldbedecreasedaslowaspossible,butnumerousfalsealarmsarebroughtaboutatthesametime.Onthiscondition,conventionaltrackinitiationtechniques,whichnormallyrequiretheprobabilityoffalsealarmtobeatthelevelof10-6,willinitiateenormousfalsetracksandleadtoabnormaloperationoftrackingsystem.Anadaptivemodifiedhoughtransform(AMHT)trackinitiatorisproposedaccordinglyandtherelationofdetectionrangetotheperformanceoftrackinitiatorisanalyzedinthispaper.SimulationsareperformedtoconfirmthecapabilityoftrackinitiationtofastandsmalltargetsindenseclutterbyAMHTtrackinitiator.Thetolerableprobabilityoffalsealarmofdetectorcanreachthelevelof10-3.Anditperformsbetterthantrackinitiatorbasedonmodifiedhoughtransform(MHT).
机构地区 不详
出版日期 2005年02月12日(中国期刊网平台首次上网日期,不代表论文的发表时间)
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