Many theoretical analysis and numerical simulations on many kinds of the factors that will do more effect on the beams with the help of the mature electronic trajectory program - - - - - egun , a set of formula and some program that were my code have been done 首先对计算电子轨迹的数值模拟程序egun的工作原理[ 35 ]及程序的应用进行了详细的分析和了解,对电子光学系统的基本理论与计算方法进行了详细的阐述。
A highly efficient numerical algorithm by using multi - grid method ( mgm ) is introduced to solve the three dimensional field distribution in the present paper . formulae of the restriction and prolongation in mgm computation is deduced , and a 3d program of mgm is accomplished , which can solve the field distributions in electron optical systems for various electrostatic lenses . the 3d field distribution in an electrostatic concentric spherical model is tested with mgm algorithm and an algorithm based on finite difference method ( fdm ) respectively . comparing these two results in view of computational efficiency and computational accuracy , it appears that mgm is superior to fdm in solving electrostatic field distribution for the electron optics problem . this paper shows that the 3d field computation using mgm greatly improves the computational efficiency of field distributions in electron optical systems and shortens the computational time 本文将一种高效率的数值计算方法? ?多重网格法引入三维静电场分布的计算,多重网格法利用限制和延拓可迅速求得满足精度要求的场分布.研究了求解各种静电透镜电子光学系统三维场分布的多重网格法程序,验算了静电同心球模型的三维场分布.通过与目前在场计算中常用的有限差分法进行比较,可以看出多重网格法的计算效率和计算精度优于有限差分法.本文表明利用多重网格法计算三维场大大提高了场分布的计算效率,缩短了计算时间,因此为后续计算打下了良好的基础
系统: system电子光学系统公司: electro optical systems inc; electro-optical systems inc电子光学系统设计: electro optical systems design; electro-optical systems design绝热电子光学系统: adiabatic optics电子探针的电子光学系统: electron optical system of epma磁控型电子光学系统: magnetron optics离子光学系统: ion optical system各有两个电子光学系统的存储管: graphecon电子光学跟踪系统: electron optic tracking system电子光学观察系统: electro-optical viewing system电子光学: electric optics; electro optics; electron optics; electron wave optics; electron-optics; electronic optics; electrooptics; optics electron电子光学的: electron optical; electrooptical电子光学轴: electron optical axis电子光学消像散系统: electron optical anastigmatic system电子光学部件: electron optics component电子光学放大: electron optical enlargement; electron optical magnification电子光学棱镜: electron optical prism电子光学图像: electron optical image电子光学图象: electron-optical image电子光学现象: electrooptical phenomenon电子光学像差: electron optical aberration电子光学象差: electron optical aberration; electron-optical aberration电子光学效应: electro-optical effect电子光学仪器: electronic optical instrument电子光学侦察: electro-optical reconnaissance