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详细讨论了多重网法数值求解三维静电场的若干数学问题,诸如三维多重网格法的限制与延拓公式推导、确定静电像管三维电子光学系统中的锥面电极、圆筒电极、球面电极、圆孔膜片电极、孔电极等的空间位置及范围的方法、以及迭代计算的逻辑尺编码方法等,为像管电子光学系统设计及优化设计奠定了良好基础。
Several mathematical problems of numerical solution of three-dimensional electrostatic field with multi-grid method are discussed in detail, such as the limitation of three-dimensional multi-grid method and derivation of continuation formula, the determination of cone electrode, cylinder electrode, spherical electrode , The method of the spatial location and the range of the hole diaphragm electrode, the hole electrode and so on, and the logic ruler coding method iteratively calculated, which laid a good foundation for the design and optimization design of tube electron optical system.