sureionandtargetdetectioninshiornehfswrwithstap.moreover,anecearysimplificationismadetosynthesisofadaptivemonopulsepatterntobealiedtoace-timeadaptivereduced-rankproceing.
4.shiaresuccefullydetectedandestimatedwithshiornehfswrforthefirsttime.onthebasisofabovetheoreticalanalysisandincoiderationofsimplificationandrealtimeproceing,theorthogonalweightfornullsteeringintheknowndirectionisusedtosureseaclutterafterfftproceingintimedomain.forthecaseofmainbeamofthetargetlittingintotwolobes,whichresultsfromsureionoftheinterferencewithinthetargetmainbeam,themethodforangleestimationispresentedbycomparingmaximumamplitudeintwolobes.theexperimentalresultshowsthatdpcawithinterpolationintemporaldomainandorthogonalweightallsuccefullydetectthetarget,andthelatterachieveslargerimprovementinsignal-to-noiseratio(r).theorthogonalweightmethodcansucceivelydetectandtrackthehalf-cooperativetarget“changsong”paengerlinerboundfordalianfromshanghaifarawayto90km,andtheunknownnon-cooperativetargetfarawayto140km.thekindofexperimentresultsforshiornehfswrhasnotbeenreportedsofar.
5.suer-resolutionproceingmethodsarealiedtoohorehfswrandresultsfromexperimentaldataaregivenforthefirsttime.wefirstlycomparetwobasicconceptsangularaccuracyandangularresolutionasforangleestimation.theoreticalanalysesshowthatangularresolutionofconventionalbeamforming(cbf)canberepresentedbybeamwidthanditsaccuracyissimilartomaximumlikelihoodmethod.owingtothedecametricwavelength,theangularresolutionofcbfforhfswrisusuallycoarse,eeciallywhend
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