Method for determining the spatial and/or spectral distribution

Details Method for determining the spatial and/or spectral distribution Method for determining the spatial and/or spectral distribution

1996-11-14

1999-12-21

Arana, Louis

Electricity: measuring and testing

Particle precession resonance

Using a nuclear resonance spectrometer system

324307, G01V 300

Patent

active

060053917

ABSTRACT:
A method of determining the spatial and/or spectral distribution of nuclear magnetization in separate regions (which are not coherent in respect of space or frequency) utilizes multi-dimensional RF pulses which are configured such that it is possible to determine the nuclear magnetization distribution in the individual regions from a linear combination of the MR signals occurring subsequent to an excitation (or from MR data derived therefrom). This results in shorter measuring times or a more attractive signal-to-noise ratio.

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patent: 5612619 (1997-03-01), Feinberg
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J. Magn. Reson. Med. 15, 287-304 (1990).
"Double Echo Multislice Proton Spectroscopic Imaging" From Magnetic Resonance in Medicine, Bd. Seiten 596-600, W. Dreher, D. Leibfritz Dec. 1992.
Dreher et al. "Double-Echo Multislice Proton Spectroscopic Imaging Using Hadamard Slice Encoding" Magnetic Resonance in Medicine, vol. 31, pp. 596-600, 1994.
Hardy et al. "Spatial Localization in Two Dimensions Using NMR Designer Pulses" Journal of Magnetic Resonance 82, 647-654, 1989.
Meyer et al. "Simultaineous Spatial and Spectral Selective Excitation" Magnetic Resonance in Medicine 15, 287-304, 1990.

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