Optimization of Offset Frequency in the SORC Pulse Sequence Using Feedback

The low signal-to-noise ratio (SNR) of nuclear quadrupolar resonance measurements has motivated research on signal enhancement methods, including multipulse sequences that facilitate signal averaging, the development of interlaced pulse sequences, and super-Q coils. More recently, it has been shown...

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Published in:Journal of magnetic resonance (1997) 1999-07, Vol.139 (1), p.139-151
Main Authors: Blauch, A.J., Schiano, J.L., Ginsberg, M.D.
Format: Article
Language:English
Subjects:
feedback control
gradient tuning
Magnetic Resonance Spectroscopy - methods
nuclear quadrupole resonance
pulse parameter optimization
Sodium Nitrite - chemistry
strong off-resonant comb sequence
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cited_by cdi_FETCH-LOGICAL-c340t-fbdbed9d78fc3dbe874ba0f5af69ac36b48631605f277061d9240cd631e9f39a3
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container_title Journal of magnetic resonance (1997)
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creator Blauch, A.J.
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description The low signal-to-noise ratio (SNR) of nuclear quadrupolar resonance measurements has motivated research on signal enhancement methods, including multipulse sequences that facilitate signal averaging, the development of interlaced pulse sequences, and super-Q coils. More recently, it has been shown that feedback can be used to automatically optimize pulse sequence parameters, maximizing the SNR. This paper extends this work by using feedback to optimize the offset frequency in the strong off-resonant comb pulse sequence. Analysis and results are presented for a sample of sodium nitrite at both liquid nitrogen and room temperatures.
doi_str_mv 10.1006/jmre.1999.1751
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subjects feedback control
gradient tuning
Magnetic Resonance Spectroscopy - methods
nuclear quadrupole resonance
pulse parameter optimization
Sodium Nitrite - chemistry
strong off-resonant comb sequence
title Optimization of Offset Frequency in the SORC Pulse Sequence Using Feedback
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