Reconstruction of cylindrically layered media using an iterative algorithm with a stable solution

doi:1005-8885 (2007) 04-0118-04

中国邮电高校学报(英文) ›› 2007, Vol. 14 ›› Issue (4): 118-121.doi: 1005-8885 (2007) 04-0118-04

• Electromagnetic theory • 上一篇下一篇

Reconstruction of cylindrically layered media using an iterative algorithm with a stable solution

成际镇;牛作元;程崇虎

College of Communications and Information Engineering, Nanjing University of Posts and Telecommunications

收稿日期:2006-11-16 修回日期:1900-01-01 出版日期:2007-12-24
通讯作者: 成际镇

Reconstruction of cylindrically layered media using an iterative algorithm with a stable solution

CHENG Ji-zhen; NIU Zuo-yuan; CHENG Chong-hu

College of Communications and Information Engineering, Nanjing University of Posts and Telecommunications

Received:2006-11-16 Revised:1900-01-01 Online:2007-12-24
Contact: CHENG Ji-zhen

摘要/Abstract

摘要：

The reconstruction of cylindrically layered media is investigated in this article. The inverse problem is modeled using a source-type integral equation with a series of cylindrical waves as incidences, and a conventional Born iterative procedure is modified for solving the integral equation. In the modified iterative procedure, a conventional single-point approximation for the calculation of the field inside media is replaced by a multi-points approximation to improve the numerical stability of its solution. Numerical simulations for different permittivity distributions are demon- strated in terms of artificial scattering data with the procedure. The result shows that the procedure enjoys both accuracy and stability in the numerical computation.

关键词:

layered media; inverse problems; integral equations; iterative methods

Abstract:

Key words:

layered media; inverse problems; integral equations; iterative methods

CHENG Ji-zhen; NIU Zuo-yuan; CHENG Chong-hu. Reconstruction of cylindrically layered media using an iterative algorithm with a stable solution[J]. Acta Metallurgica Sinica(English letters), 2007, 14(4): 118-121.

参考文献

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Reconstruction of cylindrically layered media using an iterative algorithm with a stable solution

Reconstruction of cylindrically layered media using an iterative algorithm with a stable solution

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