Unclosed magnetic curve is be build by simulation data of different specification drill pipe, which be used a rule to select optimum magnetization region.
应用不同规格钻杆的仿真数据，建立不同规格钻杆的不同开路磁化曲线，并以此作为最佳磁化强度的选择依据。
2
In this dissertation fitting method is used in forming the basic magnetizationcurveof the iron core.
本文对铁心的基本磁化曲线采用了拟合的方法。
3
In this paper, the design, characteristics., magnetic field and magnetizationcurveof a new poloidal field coil in the HL-1 device are presented.