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介绍了控制束心 corkscrew运动的原理 ,给出了用 cos/sin线圈产生校正磁场的方法并比较两种设计的结果。指出用较严格设计的 cos/sin线圈能更有效地调节校正磁场。
The principle of controlling corkscrew motion is introduced. A method of generating a corrected magnetic field by using a cos / sin coil is given and the results of the two designs are compared. It is pointed out that the correction magnetic field can be regulated more effectively by the more strictly designed cos / sin coil.