主动匀场（active shimming）又称为有源匀场，是指利用匀场线圈（shimming coils）通以电流，产生小磁场，并路程经过过程适当调整匀场线圈阵列中各线圈的电流强度，使其周围的局部磁场发生变化来调节改善静磁场的...
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... TRACK SHIMMING 垫冻害垫板 shimming coil 补偿线圈 ; 匀场线圈 reactor shimming 补偿 ...
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The phase mapping method of a field inhomogeneity based on an Z axis pulse field gradient and polynomial fitting procedures of the axial shimming coil currents were described.
通过对Z轴磁场梯度和匀场线圈电流的多项式拟合，以获得磁场不均匀而引起的相位分布。
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