Electromagnetic imaging of buried perfectly conducting cylinders targets using APSO

We present a computational approach to the imaging of a two-dimensional (2-D) 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...

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Bibliographic Details
Published in2012 International Symposium on Intelligent Signal Processing and Communications Systems pp. 725 - 728
Main Authors Chien-Ching Chiu, Ching-Lieh Li, Chi-Hsien Sun, Szu-Chi Shen, Lung-Fai Tuen, Shang-Yi Yang
Format Conference Proceeding
LanguageEnglish
Published IEEE 01.11.2012
Subjects
Asynchronous Particle Swarm Optimization and Transverse Magnetic Wave
Electromagnetics
Embedded Conductor
Image reconstruction
Imaging
Inverse problems
Inverse Scattering
Particle swarm optimization
Shape
Sun
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Summary:We present a computational approach to the imaging of a two-dimensional (2-D) 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. Numerical simulations show that even when the measured scattered fields are contaminated with Gussian noise, the quality of the reconstructed results obtained by the APSO algorithm is very good.
ISBN:9781467350839
1467350834
DOI:10.1109/ISPACS.2012.6473586