Journal
IET MICROWAVES ANTENNAS & PROPAGATION
Volume 4, Issue 12, Pages 2172-2178Publisher
INST ENGINEERING TECHNOLOGY-IET
DOI: 10.1049/iet-map.2009.0630
Keywords
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Funding
- RIM Advanced Antenna Research Program
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As a very powerful optimisation approach, differential evolution algorithm for continuous optimisation problems has been applied to electromagnetic (EM) design problems. However, the optimisation of a thinned array can be formulated as a discrete-variable optimisation problem with solutions encoded as binary strings. Here, a Boolean differential evolution (BDE) algorithm for 0-1 integer programming problems is proposed to design planar thinned arrays with minimum sidelobe levels. The BDE algorithm with only one control parameter is easily implemented. Meanwhile, a fast Fourier transform is employed to speed up the calculation of the pattern. Numerical experiments show that the BDE algorithm is an effective technique.
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