MRI system with fractional decimation of acquired data using a t

Details MRI system with fractional decimation of acquired data using a t MRI system with fractional decimation of acquired data using a t

1998-12-30

2000-11-14

Oda, Christine K.

Electricity: measuring and testing

Particle precession resonance

Using a nuclear resonance spectrometer system

324309, G01V 300

Patent

active

061474916

ABSTRACT:
An MRI system acquires NMR signals at a fixed sample rate. The acquired NMR signals are decimated to produce an output NMR signal at a prescribed sample rate. The acquired NMR signal is converted to a two-dimensional array and then transformed to the frequency domain by performing a DFT along one dimension of the array and a FFT along the other dimension. The resulting frequency domain data is filtered to the prescribed bandwidth and Fourier transformed back to the time domain.

REFERENCES:
patent: 4599565 (1986-07-01), Hoenninger et al.
patent: 5512825 (1996-04-01), Atalar et al.
patent: 6046591 (2000-04-01), King et al.

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