Quantitative analysis of magnetic resonance radio-frequency coils based on method of moments

To investigate both spectral and spatial domain characteristics of radio-frequency coils in magnetic resonance experiments, we have developed a new approach based on the method of moments. Instead of the conventional point-matching scheme, the loop testing function is used. Such a testing function d...

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Bibliographic Details
Published in:IEEE transactions on magnetics 1999-07, Vol.35 (4), p.2118-2127
Main Authors: Chen, Jyh-Horng, Jeng, Shyh-Kang, Lin, Fa-Hsuan, Kuan, Wei-Peng
Format: Article
Language:English
Subjects:
Coils
Computational modeling
Computer simulation
Geometry
Magnetic analysis
Magnetic resonance
Magnetic resonance imaging
Mathematical analysis
Mathematical models
Method of moments
Moment methods
Phased arrays
Quantitative analysis
Radio frequency
Spectra
Testing
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Summary:To investigate both spectral and spatial domain characteristics of radio-frequency coils in magnetic resonance experiments, we have developed a new approach based on the method of moments. Instead of the conventional point-matching scheme, the loop testing function is used. Such a testing function decreases the complexity of computation and elevates the efficiency of simulation. With the proposed testing function incorporated with a pulse basis function based on coil geometry topology, performance of both surface coil and volume coil can be predicted with consistent results compared with experimental data.
ISSN:0018-9464
1941-0069
DOI:10.1109/20.774181