学科分类
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1 个结果
  • 简介:ThemethodofproducingacompleteMRIimageisbasedontheanalysisoffreeinductiondecay.ItmainlystudieswhenandhowmagneticvectorrevestsitsinitialstateafterRFpulse,butneglectstheeffectoftheRFform.Inthispaperwemainlystudythis.WegivethemathematicexpressionofRFpulsewhichcantheoreticallyimproveimage(?)ality.InMRI,B1(t)isthealternateelectromagneticexcitationfield,itcanbeexpressedasfollows:

  • 标签: ALTERNATE producing transitional decay STEEP INTERESTED