A new decoupling method for quadrature coils in magnetic resonance imaging

Hui, H. T., Li, B. K. and Crozier, S. (2006) A new decoupling method for quadrature coils in magnetic resonance imaging. Ieee Transactions On Biomedical Engineering, 53 10: 2114-2116.


Author Hui, H. T.
Li, B. K.
Crozier, S.
Title A new decoupling method for quadrature coils in magnetic resonance imaging
Journal name Ieee Transactions On Biomedical Engineering   Check publisher's open access policy
ISSN 0018-9294
Publication date 2006
Sub-type Article (original research)
DOI 10.1109/TBME.2006.881783
Volume 53
Issue 10
Start page 2114
End page 2116
Total pages 3
Editor J. C. Principe
Place of publication Piscataway
Publisher IEEE-Inst Electrical Electronics Engineers Inc
Collection year 2006
Language eng
Subject C1
290901 Electrical Engineering
700302 Telecommunications
Abstract A powerful decoupling method is introduced to obtain decoupled signal voltages from quadrature coils in magnetic resonance imaging (MRI). The new method uses the knowledge of the position of the signal source in MRI, the active slice, to define a new mutual impedance which accurately quantifies the coupling voltages and enables them to be removed almost completely. Results show that by using the new decoupling method, the percentage errors in the decoupled voltages are of the order of 10(-7)% and isolations between two coils are more than 170 dB.
Keyword Decoupling Method
Magnetic Resonance Imaging (mri)
Mutual Impedance
Quadrature Coils
Engineering, Biomedical
Nmr Phased-array
High-field
Head
Q-Index Code C1

 
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Created: Wed, 15 Aug 2007, 08:19:50 EST