Rapid method of optimal gradient waveform design for MRI

Details Rapid method of optimal gradient waveform design for MRI Rapid method of optimal gradient waveform design for MRI

1997-04-25

2000-02-01

Oda, Christine K.

Electricity: measuring and testing

Particle precession resonance

Using a nuclear resonance spectrometer system

324300, 324307, 324318, G01V 300

Patent

active

060207396

ABSTRACT:
Spiral gradient design for a k-space trajectory using gradient amplifier parameters includes first determining an angle between a given gradient, g.sub.n, and the next gradient, g.sub.n+1, and then determining the magnitude of .vertline.g.sub.n+1 .vertline. based on gradient constraints represented by a circle or other shape surrounding and offset from the distal end of g.sub.n, where g.sub.n+1 extends along <g.sub.n+1 to the farthest intersection thereof with the circle.

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C.H. Meyer, J.M. Pauly, A. Macovski, "A Rapid, Graphical Method for Optimal Spiral Gradient Design," ISMRM, Apr. 27, 1996.

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