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电子学报  2013 

一种多约束稀布线阵的天线综合方法

DOI: 10.3969/j.issn.0372-2112.2013.05.015, PP. 926-930

Keywords: 稀布阵,遗传算法(GA),旁瓣电平,优化布阵,约束优化问题,向量映射

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Abstract:

针对有阵元间距上、下限约束与口径约束的稀布直线阵列综合问题,提出了一种基于向量映射的改进遗传算法.该方法将遗传变量与阵元间距按照特定的关系进行映射,从而使阵元间距的强约束优化问题转换为仅含遗传变量上、下限约束的优化问题,从根本上避免了遗传操作中的不可行解.通过抑制天线峰值旁瓣电平(PSLL)的稀布阵仿真,验证了该方法的有效性和稳健性,且能获得比现有方法更高的优化效率.

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