Electricity: measuring and testing – Particle precession resonance – Using a nuclear resonance spectrometer system
Patent
1991-04-09
1993-02-02
Tokar, Michael J.
Electricity: measuring and testing
Particle precession resonance
Using a nuclear resonance spectrometer system
324307, G01R 3320
Patent
active
051840731
ABSTRACT:
A method for correcting phase errors in a nuclear magnetic resonance signal is disclosed, by which central frequencies of NMR signals are measured directly before and directly after or in addition in a course of a normal measurement for obtaining an NMR signal for imaging and an amount of phase error is obtained for each of the NMR signals for imaging by using a difference between the central frequencies and a measurement time for each of the NMR signals for imaging.
REFERENCES:
patent: 4706027 (1987-11-01), Hughes
patent: 4724388 (1988-02-01), Sano et al.
patent: 4870361 (1989-09-01), In Den Kleef
patent: 4876507 (1989-10-01), Van Voals
Nakamura Chikako
Nozokido Tatsuo
Takeuchi Hiroyuki
Hitachi , Ltd.
Hitachi Medical Corporation
Tokar Michael J.
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