Method for phase correction of nuclear magnetic resonance signal

Details Method for phase correction of nuclear magnetic resonance signal Method for phase correction of nuclear magnetic resonance signal

1995-12-15

1996-12-03

Tokar, Michael

Electricity: measuring and testing

Particle precession resonance

Using a nuclear resonance spectrometer system

324318, G01V 300

Patent

active

055811841

ABSTRACT:
In a pulse sequence wherein image echoes are acquired under readout gradients of alternating operational sign, a navigator echo is respectively acquired under a positive pulse index and a negative pulse of the readout gradient without phase coding. Both navigator echoes are sampled, digitized and Fourier-transformed. A linear phase response with which the image echoes are corrected with respect to the linear phase response is respectively determined for the positive and negative pulses of the readout gradient from an autocorrelation of the Fourier-transformed samples.

REFERENCES:
patent: 4937526 (1990-06-01), Ehman et al.
patent: 5122747 (1992-06-01), Riederer et al.
patent: 5185574 (1993-02-01), Ehman et al.
patent: 5382902 (1995-01-01), Taniguchi et al.
patent: 5427101 (1995-06-01), Sachs et al.

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