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The design of miniature three-element stochastic Yagi-Uda arrays using particle swarm optimization

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3 Author(s)

A fixed grid structure of reduced length is employed to generate three-element miniature stochastic Yagi-Uda arrays. Particle swarm optimization (PSO) is utilized to alter the shape and the element distances for optimum forward gain, good front-to-back ratio, and 2:1 or better voltage standing wave ratio (VSWR). Simulation results of PSO are compared with binary valued genetic algorithm (GA) optimized designs and with a conventional three-element Yagi-Uda array.

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IEEE Antennas and Wireless Propagation Letters  (Volume:5 ,  Issue: 1 )