Study on stealth characteristics of metamaterials based on simulated annealing algorithm | Zendy

Feiliang Liu | Zendy; Yan Wang | Zendy; Yang Bai | Zendy; Jie Yu | Zendy

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Study on stealth characteristics of metamaterials based on simulated annealing algorithm

Author(s) -

Feiliang Liu,

Yan Wang,

Yang Bai,

Jie Yu

Publication year - 2019

Publication title -

procedia computer science

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.334

H-Index - 76

ISSN - 1877-0509

DOI - 10.1016/j.procs.2019.01.230

Subject(s) - metamaterial , simulated annealing , finite difference time domain method , coating , computer science , cylinder , algorithm , materials science , optics , acoustics , optoelectronics , physics , nanotechnology , mathematics , geometry

Auxiliary differential equation finite-difference time domain (ADE-FDTD) expressions of drude dispersive medium model are applied to simulate stealth characteristics of metamaterials coating. Then, simulated annealing algorithm is used to optimize electromagnetic parameters considered include metamaterials coating, collision frequency drude frequency and coating thickness. The results show that monostatic RCS of metal cylinder covering with metamaterial coating can reduce 6.3dB and bistatic RCS of metal cylinder covering with metamaterial coating can shrink 0.1dB less than before. Simulated annealing algorithm can play an important effect on stealth characteristics of metamaterials.

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