上海大学学报(自然科学版)

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Abel变换的数值反演

赵振宇,贺国强,刘伟   

  1. 上海大学 理学院,上海 200444
  • 收稿日期:2007-04-05 修回日期:1900-01-01 出版日期:2008-06-30 发布日期:2008-06-30
  • 通讯作者: 贺国强

Numerical Inversion of Abel Transform

ZHAO Zhen-yu,HE Guo-qiang,LIU Wei   

  1. College of Sciences, Shanghai University, Shanghai 200444, China
  • Received:2007-04-05 Revised:1900-01-01 Online:2008-06-30 Published:2008-06-30
  • Contact: HE Guo-qiang

摘要: 考虑Abel变换的数值反演问题,由于新的数值微分方法的引入,以及对反演公式中奇异积分的合理处理,使得反演能够获得稳定的结果.理论及数值结果都显示方法是十分有效的.

关键词: Abel变换, cTSVD方法, 奇异积分, 数值微分

Abstract: This paper discusses a problem of numerical inversion of Abel transform. A new method for numerical differentiation is introduced. A reasonable method to deal with singular integral is given. The theoretical results and numerical examples show that the proposed method is effective.

Key words: cTSVD method, numerical differentiation, singular integral, Abel transform

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