Degree of homogeneity is introduced, thereafter the magnetic field of Helmholtz coil is studied, and the best conditions of this coil is investigated by computer.

• 引入磁场均匀度的概念，对亥姆霍兹线圈磁场的均匀性进行了定量分析，并通过计算机模拟，得出了同一精度下，形成亥姆霍兹线圈均匀磁场的最佳条件.