enbasedontheace-timeequivalenceofsignal,whichdramaticallyeasetherestrictionontheplatformvelocityrequiredbyinterpolationinatialdomain.theoreticalanalysisshowsthatdpcawithinterpolationintemporaldomaincandetecttargetifonlytheplatformmovesatcotantvelocity.itcanbeprovedthattheabovedpcaproceingisoptimalunderidealconditio.howevernonidealfactorsinseorsandreceiverswilldeterioratetheeffect.thedifferencesinamplitudeandphrasebetweenseorsarerelatedtoazimuthonly,whicharestationary.onthecontrary,thedifferencesbetweenreceiversarerelatedtorangeonlyandaretime-varyingslowly.thesetwodifferencescanbecompeatedreectively.
3.eigeectraforgroundclutterinaewandthefirstorderseaclutterinshiornehfswraretheoreticallyanalyze,whoseanalyticexpreioarepresented.dpcaisthesimplestcaseoface-timeadaptiveproceing(stap),whichisusedundertheecialcondition.sincetwo-dimeionalclutterectrumhascouplingpropertyinaceandtimedomain,optimumsureionofseacluttershouldbeachievedbystap.itisshownthatthenumberofdominanteigenvaluesforacontinuousrandomproceiwithbandwidthiwiththeaidofthecontinuouskarhunen-loèveexpaion(kle).further,theoreticalanalysesandcalculatioindicatethatthesameresultsasthebandlimitedrandomproceareobtainedforitssampleoervation,fromwhichtheanalyticexpreionoftwo-dimeionalgroundcluttereigeectrainaewradarisderived.asforthebandpaectrumofthefirstorderseaclutterinshiornehfswr,thecorreondingresultsarededuced.resultsfromtheexp
erimentaldataareingoodagreementwiththetheoreticalanalysis,whichisofadvantageforseaclutter
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