A NOVEL UNIVERSAL PREPROCESSING APPROACH FOR HIGH-RESOLUTION DIRECTION-OF-ARRIVAL ESTIMATION-中国期刊网

摘要 Anoveluniversalpreprocessingmethodisproposedtoestimateanglesofarrival,whichisapplicabletoone-ortwo-dimensionalhighresolutionprocessingbasedonarbitrarycenter-symmetricarrays(suchasuniformlineararrays,equal-spacedrectangularplanararraysandsymmetriccirculararrays).Bymappingthecomplexsignalspaceintotherealone,thenewmethodcaneffectivelyreducethecomputationneededbythesignalsubspacedirectionfindingtechniqueswithoutanyperformancedegradation.Inaddition,thenewpreprocessingschemeitselfcandecorrelatethecoherentsignalsreceivedonthearray.Forregulararraygeometrysuchasuniformlineararraysandequal-spacedrectangularplanararrays,thepopularspatialsmoothingpreprocessingtechniquecanbecombinedwiththenovelapproachtoimprovethedecorrelatingability.Simulationresultsconfirmtheaboveconclusions.

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A NOVEL UNIVERSAL PREPROCESSING APPROACH FOR HIGH-RESOLUTION DIRECTION-OF-ARRIVAL ESTIMATION

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A NOVEL UNIVERSAL PREPROCESSING APPROACH FOR HIGH-RESOLUTION DIRECTION-OF-ARRIVAL ESTIMATION

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