An Inverse recursive algorithm to retrieve the shape of the inaccessible dielectric objects

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Tarih

2024-10-16

Dergi Başlığı

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Cilt Başlığı

Yayıncı

Ramazan YAMAN

Erişim Hakkı

info:eu-repo/semantics/openAccess

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Özet

A regularized electromagnetic iterative inverse algorithm is formulated and im-plemented to reconstruct the shape of 2D dielectric objects using the far-fieldpattern of the scattered field data. To achieve this, an integral operator thatmaps the unknown boundary of the object onto the far-field pattern of thescattered field is defined and solved for the unknown boundary. The addressedinverse problem has an ill-posed nature and inherits nonlinearity. To over-come these, the proposed solution is linearized via Newton and regularized byTikhonov in the sense of least squares. Besides, the dominance of the shadowregion in the inverse-imaging process is exceeded by considering the superpo-sition of multi-incoming plane waves, leading to less computational cost and avery fast inversion process. Comprehensive numerical analyses are carried outto ascertain the algorithm’s feasibility, revealing that it is very efficient andpromising.

Açıklama

Anahtar Kelimeler

Inverse electromagnetic scattering, Two-patch epidemic model, Electromagnetic imaging, Shape reconstruction, Surface integral equations, Newton’s algorithm

Kaynak

International Journal of Optimization and Control: Theories and Applications

WoS Q Değeri

Q1

Scopus Q Değeri

Q2

Cilt

14

Sayı

4

Künye

Sefer, A. (2024). An Inverse recursive algorithm to retrieve the shape of the inaccessible dielectric objects. International Journal of Optimization and Control: Theories and Applications, 14(4), 378-393. doi:10.11121/ijocta.1608