calculated d field的意思|示意

To hence calculation precision, the leakage should be considered, and the leakage coefficients of permanent field and excited one are calculated separately by 2-d FEM of the magnetic bearing.

为精确计算磁轴承性能，需考虑漏磁的影响，通过分析该磁轴承的二维磁场，分别计算出永磁磁场和电励磁磁场的漏磁系数。

The magnetic field and mutual inductance are calculated with 3-d (three-Dimensional) finite element method for some types of current transducer.

用三维有限元方法分析计算了几类电流互感器的三维磁场和互感系数。