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Pattern synthesis of antennas based on a modified particle swarm optimization algorithm |
| JIN Ronghong, YUAN Zhihao, GENG Junping, FAN Yu, LI Jiajing |
| Department of Electronic Engineering, Shanghai Jiaotong University, Shanghai 200030, China; |
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Abstract In order to overcome the drawbacks of standard particle swarm optimization (PSO) algorithm, such as prematurity and easily trapping in local optimum, a modified PSO algorithm is proposed, in which special techniques, as global best perturbation and inertia weight jump threshold are adopted. The convergence speed and accuracy of the algorithm are improved. The test by some benchmark problems shows that the proposed algorithm achieves relatively higher performance. Thereafter, the applications of the modified PSO in the radiation pattern synthesis of antenna arrays are presented.
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Issue Date: 05 December 2007
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