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《Transactions of China Electrotechnical Society》 1993-01
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A Method for Correcting Magnetic Field Homogeneity with Magnetized Shims

Li Qingfu; Li Yifeng (Xi' an Jiaotong University)  
This paper is concerned with highly homogeneous magnetic field correction utilizing magnetized shims. With the presented method, one set of correction elements maycompensate a set of spherical harmonic fields instead of only one spherical harmonicfield in the traditional method. Then the magnetized shims may be significantly reduced.
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