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Application of the differential-evolution strategy to the design of frequency-selective surfaces

✍ Scribed by X. F. Luo; A. Qing; C. K. Lee

Publisher: John Wiley and Sons
Year: 2005
Tongue: English
Weight: 325 KB
Volume: 15
Category: Article
ISSN: 1096-4290
DOI: 10.1002/mmce.20065

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✦ Synopsis

An optimization approach based on the diffential evolution strategy (DES) is applied to the design of frequency-selective surfaces (FSS). The spectral Galerkin method is used to analyze the electromagnetic scattering from a FSS screen while DES is used to tune the FSS unit-cell dimensions and dielectric properties in order to achieve the prescribed frequency responses. The DES is compared to the real-coded genetic algorithm. The simulated results of FSS dipole arrays are presented, which demonstrate that DES is a more simple, yet more efficient and more robust, method for the design of FSS.

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