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Fast spiral magnetic resonance imaging with trapezoidal gradients
1Laboratory of Diagnostic Radiology Research, OIR, National Institutes of Health Building 10, Room B1N-256, Bethesda, Maryland 20892, USA. jhd@helix.nih.gov
Journal of Magnetic Resonance (San Diego, Calif. : 1997)
|November 14, 1997
Abstract:
A modified spiral imaging technique is presented, in which the conventional sinusoidal gradient waveforms are replaced by trapezoidal ones. In addition to allowing a reduced data acquisition time, the new waveforms circumvent specific hardware restrictions on the minimum scan repetition time.