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  Accelerated MRI at 9.4 T with electronically modulated time-varying receive sensitivities

Glang, F., Nikulin, A., Bause, J., Heule, R., Steffen, T., Avdievich, N., et al. (2022). Accelerated MRI at 9.4 T with electronically modulated time-varying receive sensitivities. In 24. Jahrestagung der Deutschen Sektion der ISMRM (DS-ISMRM 2022) (pp. 23-29).

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Genre: Conference Paper

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 Creators:
Glang, FM1, Author                 
Nikulin, AV1, Author                 
Bause, J1, Author                 
Heule, R1, Author                 
Steffen, T1, Author           
Avdievich, N1, Author                 
Scheffler, K1, Author                 
Affiliations:
1Department High-Field Magnetic Resonance, Max Planck Institute for Biological Cybernetics, Max Planck Society, ou_1497796              

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 Abstract: In this work, it is investigated how electronically modulated time-varying RF receive sensitivities (B1-) can improve parallel
imaging reconstruction. We demonstrate this concept experimentally with a prototype 8- channel reconfigurable receive coil,
for which B1- modulation is achieved by fast switching PIN diodes in the receive loops. With this setup, MR measurements
were performed in both phantom and human subject. Lower reconstruction errors and g-factors were observed for the case
of rapidly switched sensitivities compared to conventional reconstruction with static sensitivities.

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 Dates: 2022-09
 Publication Status: Published online
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Title: 24. Jahrestagung der Deutschen Sektion der ISMRM (DS-ISMRM 2022)
Place of Event: Aachen, Germany
Start-/End Date: 2022-09-21 - 2022-09-24

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Title: 24. Jahrestagung der Deutschen Sektion der ISMRM (DS-ISMRM 2022)
Source Genre: Proceedings
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Pages: - Volume / Issue: - Sequence Number: V023 Start / End Page: 23 - 29 Identifier: ISBN: 978-3-948023-28-7