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一种用于深空天线组阵布局的改进遗传算法
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摘要
为了提高深空大规模天线阵的接收灵敏度,综合考虑包括天线数目、天线口径、工作频段、最小间距和最大布局范围等约束条件后,将最小化旁瓣电平作为优化目标,通过对天线阵列地理位置的布局进行优化,建立了优化模型。结合梯度算法和基本遗传算法提出了改进的遗传算法,通过对天线组阵布局的优化仿真,证明了改进遗传算法的有效性。
In order to improve the reception sensitivity of large-scale antenna array in deep space, considering the constraints such as antenna number, antenna diameter, working frequency band, minimum pitch and maximum layout range, the side-lobe level is minimized as the optimization target. The optimization model is established by optimizing the layout of the antenna array geography. Combining with the gradient algorithm and the basic genetic algorithm, an improved genetic algorithm is proposed. The effectiveness of the proposed improved genetic algorithm is proved by the optimization simulation of the specific antenna array layout.
引文
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    2 .卢万铮.天线理论与技术.西安:西安电子科技大学出版社,2004.
    3 .Kogan L.Optimization of an array configuration minimizing side lobes[R].MMA Memo 171,National Radio Astronomy Observatory,1997
    4 .徐茂格,深空大规模天线组阵布局设计.成都:中国电子科技集团第十研究所,2013
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    6 .史学书党宏杰洪家财焦义文,利用梯度算法优化深空天线组阵布局.装备学院学报.2013.23(1):73‐76.

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