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Article: Phase-scrambled RF excitation for 3D volume-selective multislice NMR imaging

TitlePhase-scrambled RF excitation for 3D volume-selective multislice NMR imaging
Authors
Issue Date1992
PublisherJohn Wiley & Sons, Inc. The Journal's web site is located at http://www.interscience.wiley.com/jpages/0740-3194/
Citation
Magnetic Resonance In Medicine, 1992, v. 28 n. 2, p. 290-299 How to Cite?
AbstractAn RF excitation technique with which one can improve the effective dynamic range of the receiver and reduce the interference between slices for 3D volume-selective multislice MRI is described. The basic idea of the technique is to use phase scrambling in conjunction with slice encoding through the use of RF pulses. The spins in each slice are encoded by RF pulses which have the scrambled as well as slice-encoded phase components along the slice-selection direction. The scrambled, or randomly distributed, phase reduces the peak signal intensity, thereby reducing the dynamic range of the signal. Since the proposed technique utilizes RF slice encoding together with phase scrambling, interslice image interference is greatly reduced and the dynamic range is improved. In addition, the method has several advantages such as a reduction in the power requirement for the RF pulses and the elimination of the necessity for hardware such as nonlinear gradient coils.
Persistent Identifierhttp://hdl.handle.net/10722/154971
ISSN
2015 Impact Factor: 3.782
2015 SCImago Journal Rankings: 2.197
ISI Accession Number ID

 

DC FieldValueLanguage
dc.contributor.authorOh, CHen_US
dc.contributor.authorHilal, SKen_US
dc.contributor.authorWu, EXen_US
dc.contributor.authorCho, ZHen_US
dc.date.accessioned2012-08-08T08:31:20Z-
dc.date.available2012-08-08T08:31:20Z-
dc.date.issued1992en_US
dc.identifier.citationMagnetic Resonance In Medicine, 1992, v. 28 n. 2, p. 290-299en_US
dc.identifier.issn0740-3194en_US
dc.identifier.urihttp://hdl.handle.net/10722/154971-
dc.description.abstractAn RF excitation technique with which one can improve the effective dynamic range of the receiver and reduce the interference between slices for 3D volume-selective multislice MRI is described. The basic idea of the technique is to use phase scrambling in conjunction with slice encoding through the use of RF pulses. The spins in each slice are encoded by RF pulses which have the scrambled as well as slice-encoded phase components along the slice-selection direction. The scrambled, or randomly distributed, phase reduces the peak signal intensity, thereby reducing the dynamic range of the signal. Since the proposed technique utilizes RF slice encoding together with phase scrambling, interslice image interference is greatly reduced and the dynamic range is improved. In addition, the method has several advantages such as a reduction in the power requirement for the RF pulses and the elimination of the necessity for hardware such as nonlinear gradient coils.en_US
dc.languageengen_US
dc.publisherJohn Wiley & Sons, Inc. The Journal's web site is located at http://www.interscience.wiley.com/jpages/0740-3194/en_US
dc.relation.ispartofMagnetic Resonance in Medicineen_US
dc.subject.meshAlgorithmsen_US
dc.subject.meshArtifactsen_US
dc.subject.meshBrain - Anatomy & Histologyen_US
dc.subject.meshElectromagnetic Phenomenaen_US
dc.subject.meshHumansen_US
dc.subject.meshImage Enhancement - Methodsen_US
dc.subject.meshMagnetic Resonance Imaging - Methodsen_US
dc.subject.meshModels, Structuralen_US
dc.subject.meshSignal Processing, Computer-Assisteden_US
dc.titlePhase-scrambled RF excitation for 3D volume-selective multislice NMR imagingen_US
dc.typeArticleen_US
dc.identifier.emailWu, EX:ewu1@hkucc.hku.hken_US
dc.identifier.authorityWu, EX=rp00193en_US
dc.description.naturelink_to_subscribed_fulltexten_US
dc.identifier.doi10.1002/mrm.1910280210en_US
dc.identifier.pmid1461127-
dc.identifier.scopuseid_2-s2.0-0027066744en_US
dc.identifier.volume28en_US
dc.identifier.issue2en_US
dc.identifier.spage290en_US
dc.identifier.epage299en_US
dc.identifier.isiWOS:A1992KB92200009-
dc.publisher.placeUnited Statesen_US
dc.identifier.scopusauthoridOh, CH=16936475400en_US
dc.identifier.scopusauthoridHilal, SK=7004804427en_US
dc.identifier.scopusauthoridWu, EX=7202128034en_US
dc.identifier.scopusauthoridCho, ZH=7006289037en_US

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