Inverse Scattering of a Two-Dimensional Dielectric Object by Genetic Algorithms(<Special Issue>Analytical and Simulation Methods for Electromagnetic Wave Problems)

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概要

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• In this paper, an efficient optimization algorithm for solving the inverse problem of a two-dimensional lossless homogeneous dielectric object is investigated. A lossless homogeneous dielectric cylinder of unknown permittivity scatters the incident wave in free space and the scattered fields are recorded Based on the boundary condition and the incident field, a set of nonlinear surface integral equation is derived The imaging problem is reformulated into optimization problem and the steadystate genetic algorithm is employed to reconstruct the shape and the dielectric constant of the object. Numerical results show that the permittivity of the cylinders can be successfully reconstructed even when the permittivity is fairly large. The effect of random noise on imaging reconstruction is also investigated

• 社団法人電子情報通信学会の論文
• 2003-11-01

著者

• Chiu C‐c

  Tamkang Univ. Tamsui Twn

• Wu Yi-da

  Electrical Engineering Department Tamkang University

• LIN Chun

  Electrical Engineering Department, Tamkang University

• CHIU Chien-Ching

  Electrical Engineering Department, Tamkang University

• Lin Chun

  Electrical Engineering Department Tamkang University

関連論文

• Inverse Scattering of a Two-Dimensional Dielectric Object by Genetic Algorithms(Analytical and Simulation Methods for Electromagnetic Wave Problems)
• Inverse Scattering of a Two-Dimensional Dielectric Object by Genetic Algorithms
• Image Reconstruction of a Buried Conductor by the Genetic Algorithm(Special Issue on New Technologies in Signal Processing for Electromagnetic-wave Sensing and Imaging)
• Image Reconstruction of Multiple Conductors

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