一种实时的干涉仪测向异常值检测和纠错方法-豆柴文库

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一种实时的干涉仪测向异常值检测和纠错方法
Title:Real-timeInterferometerforDirectionFindingAnomalousDetectionandCorrection
1.Introduction
Theadventofadvancedtechnologiesinthefieldoftelecommunications,radar,andwirelesscommunicationsystemshasledtotheincreasedusageanddemandfordirection-findingtechniques.Accurateandreliabledirection-findingmeasurementsarecrucialforvariousapplications,includingtracking,navigation,andsignalsourcelocalization.However,inreal-worldscenarios,interferometer-baseddirection-findingsystemsoftenencounteranomaliesoroutlierswhichcansignificantlydegradetheaccuracyofthemeasureddirections.Thispaperproposesareal-timeinterferometerfordirectionfinding(R-IDF),focusingonanomalydetectionandcorrectionmethodstoimprovetheaccuracyofdirection-findingmeasurements.
2.Background
2.1Interferometer-basedDirectionFindingSystem
Interferometer-baseddirection-findingsystemsutilizethephasedifferencesbetweensignalsreceivedatdifferentantennastoestimatethedirectionofarrival(DOA)ofthesourcesignal.Thesesystemsinvolveanalyzingtheinterferencepatternscreatedbytheinteractionofsignals,whichcanleadtoaccuratedirectionestimation.
2.2AnomaliesandOutliersinDirectionFinding
Anomaliesoroutliersindirection-findingmeasurementscanoccurduetoseveralreasons,includingmultipathpropagation,signalreflections,environmentalinterference,receivernoise,andhardwarelimitations.TheseanomaliescanintroducesignificanterrorsinDOAestimationandcompromisetheaccuracyofthesystem.
3.Real-timeInterferometerforDirectionFinding(R-IDF)
3.1SystemArchitecture
TheproposedR-IDFsystemcomprisesanarrayofantennas,aradio-frequency(RF)front-endmodule,adigitalprocessingunit,andananomalydetectionandcorrectionmodule.TheantennasreceivesignalsandpassthemthroughtheRFfront-endmodule,whichperformsamplificationandfiltering.ThedigitalprocessingunitprocessesthesignalstoestimatetheDOA,andtheanomalydetectionandcorrectionmoduleidentifiesandcorrectsanomalousmeasurements.
3.2AnomalyDetection
Todetectanomaliesindirection-findingmeasurements,statisticalandsignalprocessi