核磁共振成像三家公司序列名称对比

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1、SequenceTypeSiemensGEPhilipsSpinEchoSESESEGradientEchoGREGREFastFieldEcho(FFE)SpoiledGradientEchoFLASHSPGRT1-FFECoherentGradientEchoFISPGRASSFFESteadyStateFreePrecesionPSIFSSFPT2-FFETrueFISPTrueFISPFIESTABalancedFFETrueFISP/DualExcitationCISSFIESTA-C-DoubleEchoSteadyStateDESS--

2、Multi-EchoDataImageCombinationMEDIC--UltrafastGradientEchoTurboFLASHFastGRE,FastSPGRTFEUltrafastGradientEcho3DMPRAGE3-DFGRE,3-DFastSPGR3DTFEVolumeInterpolatedGREVIBEFAMETHRIVEInversionRecoveryIR,TurboIR(TIR)IR,MPIR,FastIRIR-TSEShortTauIRSTIRSTIRSTIRLongTauIRTurboDarkFluidFLAIRF

3、LAIRTrueIRTrueIR-RealIRTurboSpinEcho/FastSpinEchoTSE(TurboSpinEcho)FSE(FastSpinEcho)TSE(TurboSpinEcho)Single-ShotTSE/FSEHASTESingle-ShotFSESingle-ShotTSEFSE/TSEwith90°Flip-BackPulseRESTOREFastRecoveryFSE,FRFSEDRIVENumberofEchoesTurboFactorEchoTrainLength(ETL)TurboFactorTimeBetw

4、eenEchoesEchoSpacingEchoSpacingEchoSpacingEchoPlanarImaging(EPI)EPIEPIEPINumberofEchoesEPIFactorETLEPIFactorTimeBetweenEchoesEchoSpacingEchoSpacingEchoSpacingTurboGradientSpinEcho(GRASE)SequenceTurboGSE,TGSE-GRASEParallelAcquisitionTechniquesiPATASSETSENSEPAT:image-basedalgorit

5、hmmSENSESENSESENSEPAT:k-space-basedalgorithmGRAPPA--SequenceParametersRepetitionTime,EchoTime(inmsec)TR,TETR,TETR,TEInversionTime(inmsec)TITITIAveragesACQ(Acquisitions)NEXNSASimultaneousExcitationSimultaneousExcitationPOMP(PhaseOffsetMultiPlanar)-RFPulseinGradientEchoFlipAngleF

6、lipAngleFlipAngleScanMeasurementTimeAcquisitionTime,TAAcquisitionTimeAcquisitionTimeDistanceBetweenSlicesDistanceFactor(%ofslicethickness)GapGapShiftingSlicesOffCenterOffCenterShiftOffCenterFOVOffCenterFOVFieldOfViewFOV[mm]FOV[cm]FOV[mm]RectangularFOVFOVPhase/RectangularFOVPart

7、ialFOV(PFOV)RectangularFOVBandwidthBandwidth[Hz/Px]ReceiveBandwidth[kHz]Fat/WaterShift[Pixel]VariableBandwidthOptimizedBandwidthVariableBandwidthOptimizedBandwidthFrequencyOversamplingOversamplingAnti-AliasingFrequencyOversamplingPhaseOversamplingPhaseOversamplingNoPhaseWrapFol

8、doverSuppressionSegmentedK-spaceLines/SegmentsViewsper