Solving an Inverse Scattering Problem of an Embedded Perfectly Conducting Cylinder by Asynchronous Particle Swarm Optimization

doi:10.1520/JTE104134

淡江大學機構典藏 > 工學院 > 電機工程學系暨研究所 > 期刊論文 > Item 987654321/82990

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题名:	Solving an Inverse Scattering Problem of an Embedded Perfectly Conducting Cylinder by Asynchronous Particle Swarm Optimization
作者:	Chiu, Chien-Ching;Hsu, Jung-Chin;Hsiao, Wei-Chun
贡献者:	淡江大學電機工程學系
关键词:	inverse scattering;embedded conductor;asynchronous particle swarm optimization;transverse magnetic wave
日期:	2012-11
上传时间:	2013-03-13 02:48:52 (UTC+8)
出版者:	Conshohocken, PA: A S T M International
摘要:	We present a computational approach to the imaging of a two-dimensional (2D) embedded perfectly conducting cylinder by the asynchronous particle swarm optimization (APSO). An embedded conducting cylinder of unknown shape scatters the incident transverse magnetic (TM) wave in a half space while the scattered field is recorded outside. Based on the boundary condition and the measured scattered field, a set of nonlinear integral equations is derived and the imaging problem is reformulated into an optimization problem. The inverse problem is solved by an optimization approach and the global searching scheme, the asynchronous particle swarm optimization is then employed to search the parameter space. This method is tested by several numerical examples, and it is found that the performance of the APSO is robust for reconstructing the perfectly conducting cylinder. Numerical simulations show that even when the measured scattered fields are contaminated with Gaussian noise, the quality of the reconstructed results obtained by the APSO algorithm is very good.
關聯:	Journal of Testing and Evaluation 40(6), JTE104134
DOI:	10.1520/JTE104134
显示于类别:	[電機工程學系暨研究所] 期刊論文

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