Magnetic resonance imaging apparatus

Details Magnetic resonance imaging apparatus Magnetic resonance imaging apparatus

1990-06-05

1992-02-18

Tokar, Michael J.

Electricity: measuring and testing

Particle precession resonance

Using a nuclear resonance spectrometer system

G01R 3320

Patent

active

050897772

ABSTRACT:
When a two-dimensional Fourier transform is used, a magnetic resonance imaging apparatus has a first arithmetic unit for executing the Fourier transform in a first dimension in the repetition time interval immediately after each data acquisition or in parallel with the data acquisition, and a second arithmetic unit for executing the Fourier transform in a second dimension after all the data has been acquired. When a three-dimensional Fourier transform is used, the apparatus has a first arithmetic unit for executing the Fourier transform in a first dimension in the time interval immediately after each data acquisition or in parallel with the data acquisition, a second arithmetic unit for executing the Fourier transform in a second dimension immediately after the data acquisition of one matrix in the phase encoding direction, and a third arithmetic unit for executing the Fourier transform in a third dimension after all the data are acquired.

REFERENCES:
patent: 4789833 (1988-12-01), Nishimura
patent: 4812762 (1989-03-01), Den Boef
patent: 4868502 (1989-09-01), Hanakawa et al.
patent: 4908578 (1990-03-01), Van Liere

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