%0 Journal Article
%T ACarrierSynchronizationAlgorithmforAutonomousRadioReceiverinDeepSpace
%A Song
%A Qingping
%A Liu
%A Rongke
%J 空间科学学报
%P 343-349
%D 2015
%R 10.11728/cjss2015.03.343
%X Thecarriersynchronizationalgorithmoftheautonomousradiofordeepspaceisstudied.Whenthesignalmodulationisunknown,thispaperimprovestheexistinguniversalcarriersynchronizationloopformultiplemodulations,expandsthefrequencytrackingrangeoftheloop,proposesaTongdetection-basedM-aryPhaseShiftKeying(M-PSK)signallockingdetectionalgorithmtorapidlyandeffectivelydeterminewhetherthecurrentphasediscriminationmodematchesthemodulationmode,soastoindependentlychoosewhethertoswitchthephasediscriminationmode.Throughtheoreticalanalysisandcomparison,itisdescribedthatthetotaldetectionprobabilityofthealgorithmproposedinthispaperissignificantlyhigherthantheprobabilityofsinglelockdetection.Simulationresultsshowthatthealgorithmhashighdetectionprobabilityandlowcomputationalcomplexityatalowsignaltonoiseratio.
%K Deepspacecommunication
%K Autonomousradio
%K Carriersynchronization
%K Detectionstrategy
%K Detectionprobability
%U http://www.cjss.ac.cn/CN/abstract/abstract2138.shtml