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Title: Subspace-based optimization method for reconstructing perfectly electric conductors
Authors: Ye, X.Z.
Chen, X.D. 
Zhong, Y. 
Agarwal, K. 
Issue Date: 2010
Citation: Ye, X.Z.,Chen, X.D.,Zhong, Y.,Agarwal, K. (2010). Subspace-based optimization method for reconstructing perfectly electric conductors. Progress in Electromagnetics Research 100 : 119-128. ScholarBank@NUS Repository.
Abstract: Reconstruction of perfectly electric conductors (PEC) with transverse magnetic (TM) illumination by a subspace-based optimization method (SOM) is presented. Apart from the information that the unknown object is PEC, no other prior information such as the number of the objects, the approximate locations or the centers is needed. The whole domain is discretized into segments of current lines. Scatterers of arbitrary number and arbitrary shapes are represented by a binary vector, and the descent method is used to solve the discrete optimization problem. Several numerical simulations are chosen to validate the proposed method. In particular, a combination of a line type object and a rectangular shape object is successfully reconstructed. The subspace-based optimization method for PEC scatterers is found to be more complex than its counterpart for dielectric scatterers.
Source Title: Progress in Electromagnetics Research
ISSN: 10704698
Appears in Collections:Staff Publications

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