OPTIMIZATION DESIGN FOR THE ELECTRON-EMISSION SYSTEM USING IMPROVED POWELL METHOD

被引：0
|
作者：
GU, CX
SHAN, LY
CHEN, ZR
机构：
来源：
SCANNING MICROSCOPY | 1991年 / 5卷 / 04期
关键词：
ELECTRON OPTICS; ELECTRON EMISSION SYSTEM DESIGN; DIRECT SEARCH OPTIMIZATION METHOD; IMPROVED POWELL METHOD;
D O I：
暂无
中图分类号：
TH742 [显微镜];
学科分类号：
摘要：
The electron emission system, which may mostly decide the main properties of the whole electron optical system, is a crucial element for an electron gun. The design of the electron emission system is more important compared with other electron lenses in the electron gun. In this paper, an optimization design method for the electron emission system is presented by using an Improved Powell Method with linear search for the one dimensional search. The optimal structure parameters with a criterion of minimum objective function value for this system are provided. The computed results may show that this direct search optimization method is feasible and useful for the optimal design of the electron emission system as well as other electron optical systems.
引用
收藏
页码：937 / 944
页数：8
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