ConvolutiveBlindSeparationAlgorithmBasedonSatelliteCommunicationAnti-jamming

doi:10.3780/j.issn.1000-758X.2012.02.008

Chinese Space Science and Technology ›› 2012, Vol. 32 ›› Issue (2): 48-54.doi: 10.3780/j.issn.1000-758X.2012.02.008

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ConvolutiveBlindSeparationAlgorithmBasedonSatelliteCommunicationAnti-jamming

WEN Yuan-Yuan, CHEN Hao

(Xi′anDivisionofChinaAcademyofSpaceTechnology，Xi′an710100)

Received:2011-05-09 Revised:2012-04-25 Published:2012-04-25 Online:2012-04-25

Abstract

Abstract: Aimingattheproblemofsatellitecommunicationsignalandjammingblindseparationinnoisyenvironment,anewalgorithmforconvolutivemixtureblindsourceseparation (BSS)byexploitingthehouseholdertransformationtorealizethejointdiagonalizationofhighordercumulantandoperationinthefrequencydomainwasproposed.Comparedwiththeclassicalmethods,simulationresultsshowthattheproposedalgorithmhaslowercomputationalcomplexityandbetterseparationperformance.Whensignal to noiseratio (SNR)isgreaterthan10dB,thenovelalgorithmofanti-jammingcanrealizetheseparationofcommunicationsignalsandthejamming,andhasgoodseparationperformance.

Key words: Blind source separation, Convolutive mixture, Householder transformation, Signal to noise ratio, Noise jamming, Satellite communication

WEN Yuan-Yuan, CHEN Hao. ConvolutiveBlindSeparationAlgorithmBasedonSatelliteCommunicationAnti-jamming[J]. Chinese Space Science and Technology, 2012, 32(2): 48-54.

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ConvolutiveBlindSeparationAlgorithmBasedonSatelliteCommunicationAnti-jamming

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