A synthesis of four-branch microwave antenna by evolution algorithm and orthogonal experiment

Authors:
Jincui Guo;Jinxin Zou;Yincheng Wang;Xiaojuan Zhao;Liangjiang Yu
Affiliations:
Faculty of Mechanical & Electronic Information, China University of Geosciences, WuHan, China;Faculty of Mechanical & Electronic Information, China University of Geosciences, WuHan, China;Faculty of Mechanical & Electronic Information, China University of Geosciences, WuHan, China;Faculty of Mechanical & Electronic Information, China University of Geosciences, WuHan, China;Faculty of Mechanical & Electronic Information, China University of Geosciences, WuHan, China
Venue:
ISICA'10 Proceedings of the 5th international conference on Advances in computation and intelligence
Year:
2010

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Abstract

In order to meet the design requirements of a wide bandwidth, wide beam four-branch microwave antenna, evolution algorithms and orthogonal experiment are combined for the design simulation of the microwave antenna design. The evolution algorithm is able to search the large space for the optimal solution, while the orthogonal experimental design can search local space further and refine it for even better solution. The former algorithm is executed parallelly, and the NEC2 software based on method of moments is used as numerical calculation method of electromagnetic field. The four-branch antenna which is designed by combining the method of the evolution algorithm with orthogonal experiment in this paper, performs excellent on pattern. This proves that this method can satisfy the design requirements.