New wide‐aperture‐dimension formula obtained by using a particle swarm optimization for optimum gain pyramidal horns

A new formula for the wide aperture dimension of a pyramidal horn is presented. It is obtained by using a particle-swarm optimization (PSO) algorithm, and is used in successfully designing optimum-gain pyramidal horns. The computed gains of the designed pyramidal horns are in very good agreement with the desired gains. © 2006 Wiley Periodicals, Inc. Microwave Opt Technol Lett 48: 1201–1205, 2006; Published online in Wiley InterScience (www.interscience.wiley.com). DOI 10.1002/mop.21580

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