电子直线加速器扫描系统是辐照加速器的重要组成部分,扫描系统的磁场及其相关参数的计算关系到加速器的均匀度和扫描宽度等重要性能指标。 The electron linear accelerator scanning system is an important part of the radiation accelerator. The calculation of the magnetic field and its related parameters in the scanning system is related to important performance indexes such as the uniformity and scanning width of the accelerator.