Rotatable magnetic fields

Abstract

A method of magnetic resonance image acquisition, comprising repeatedly generating a static magnetic field that has a first direction in a field of view, a gradient magnetic field and an RF excitation field that has a second direction in the field of view, wherein the second direction is substantially perpendicular to the first direction and obtaining an NMR signal caused by the RF excitation field. At least one of the first direction and a direction of the gradient magnetic field is changed between repetitions and, when the first direction is changed, the second direction is also changed so that it remains substantially perpendicular to the first direction in each repetition.

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