Frequency calibration for MRI scanner

Details Frequency calibration for MRI scanner Frequency calibration for MRI scanner

1993-05-07

1994-05-03

Arana, Louis

Electricity: measuring and testing

Particle precession resonance

Using a nuclear resonance spectrometer system

324313, G01V 300

Patent

active

053091027

ABSTRACT:
An NMR scanner performs a prescan before each NMR scan sequence in which the optimal RF excitation frequency is automatically determined and applied to the scanner's transceiver. The prescan sequence includes a pair of NMR measurements which provide data that allows the precise RF excitation frequency to be determined.

REFERENCES:
patent: 4788501 (1988-11-01), LeRoux et al.
patent: 4806866 (1989-02-01), Maier
patent: 4866386 (1989-09-01), Sattin
patent: 4952877 (1990-08-01), Stormont et al.
patent: 5107215 (1992-04-01), Schaefer et al.

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