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  On the Superlinear Increase of the Ultimate Intrinsic Signal-to-Noise Ratio with Regard to Main Magnetic Field Strength in a Spherical Sample

Pfrommer, A., & Henning, A. (2017). On the Superlinear Increase of the Ultimate Intrinsic Signal-to-Noise Ratio with Regard to Main Magnetic Field Strength in a Spherical Sample. In International Conference on Electromagnetics in Advanced Applications (ICEAA 2017) (pp. 684-687). Piscataway, NJ, USA: IEEE.

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Item Permalink: http://hdl.handle.net/21.11116/0000-0000-C38F-3 Version Permalink: http://hdl.handle.net/21.11116/0000-0001-20E8-5
Genre: Conference Paper

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Pfrommer, A1, 2, Author              
Henning, A1, 2, Author              
Affiliations:
1Max Planck Institute for Biological Cybernetics, Max Planck Society, ou_1497794              
2Research Group MR Spectroscopy and Ultra-High Field Methodology, Max Planck Institute for Biological Cybernetics, Max Planck Society, ou_2528692              

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 Abstract: In this study, the increase of the ultimate intrinsic signal-to-noise ratio (UISNR) with regard to main magnetic field strength B0 is investigated. A simplified spherical phantom of human head size is used. In the center of the sphere, the UISNR grows more than quadratically. Within the volume, in which the distance to the center is smaller than 85 of the sphere's radius, the UISNR increases superlinearly. At the surface, the UISNR grows only sublinearly. The SNR of curl-free current patterns grows more than cubically in the center, whereas the SNR of divergence-free current patterns increases quadratically. However, this does not imply, that curl-free modes result in higher SNR than divergence-free modes.

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 Dates: 2017-09
 Publication Status: Published in print
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 Identifiers: DOI: 10.1109/ICEAA.2017.8065339
BibTex Citekey: PfrommerH2017_3
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Title: International Conference on Electromagnetics in Advanced Applications (ICEAA 2017)
Place of Event: Verona, Italy
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Title: International Conference on Electromagnetics in Advanced Applications (ICEAA 2017)
Source Genre: Proceedings
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Publ. Info: Piscataway, NJ, USA : IEEE
Pages: - Volume / Issue: - Sequence Number: - Start / End Page: 684 - 687 Identifier: ISBN: 978-1-5090-4451-1