并对匀场电源、匀场线圈的精度和稳定性等要求作了估算。
The precision and stability required for the coil power supplies, coil positions and dimensions are also evaluated.
针对永磁型MRI系统设计了一种平板式匀场线圈，用以改善成像区的磁场均匀性。
A set of tabulate shim coils is designed to improve the homogeneity of the imaging field for permanent magnet MRI (Magnetic Resonance imaging) system.
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。
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.
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