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Role of phase encoding in pulsed magnetic particle imaging
Citation Link: https://doi.org/10.15480/882.4403
Publikationstyp
Journal Article
Date Issued
2022-03-21
Sprache
English
Author(s)
Institut
TORE-DOI
Volume
8
Issue
1, Suppl 1
Article Number
2203021
Citation
International Journal on Magnetic Particle Imaging 8 (1, Suppl 1): 2203021 (2022)
Publisher DOI
Scopus ID
Publisher
Infinite Science Publishing
Non-sinusoidal excitation waveforms have the ability to improve the signal-to-noise ratio and image resolution under certain conditions. Yet, the ability to use phase information for spatial encoding is expected to diminish as sharp pulses lead to concurrent signal response due to steep slopes and therefore less phase information. This motivates investigations into alternate sampling approaches that mitigate a loss in spatial encoding. However, measurements and image reconstruction results indicate that 10 times faster slew rates compared to sine excitation lead to enough phase information to resolve basic features using system matrix reconstruction.
DDC Class
004: Informatik
610: Medizin
More Funding Information
Research funding: The authors thankfully acknowledge the financial support by the German Research Foundation (DFG, KN 1108/7-1 and GR 5287/2-1) The Fraunhofer IMTE is supported by the EU (EFRE) and the State Schleswig-Holstein, Germany (Project: IMTE – Grant: 124 20 002 / LPW-E1.1.1/1536.
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