Study on stealth characteristics of metamaterials based on simulated annealing algorithm
| Autor: | Jie Yu, Yan Wang, Feiliang Liu, Yang Bai |
|---|---|
| Rok vydání: | 2019 |
| Předmět: |
Computer science
business.industry Differential equation Physics::Optics Metamaterial 020206 networking & telecommunications 02 engineering and technology engineering.material Physics::Classical Physics Dispersive medium Bistatic radar Optics Collision frequency Coating Simulated annealing 0202 electrical engineering electronic engineering information engineering engineering General Earth and Planetary Sciences 020201 artificial intelligence & image processing Time domain business General Environmental Science |
| Zdroj: | Procedia Computer Science. 147:221-227 |
| ISSN: | 1877-0509 |
| DOI: | 10.1016/j.procs.2019.01.230 |
| Popis: | 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. |
| Databáze: | OpenAIRE |
| Externí odkaz: |
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