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电子学报  2003 

运用遗传算法综合稀疏阵列

, PP. 2135-2138

Keywords: 稀疏阵列,遗传算法(GA),快速傅立叶变换(FFT),数字波束形成天线

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Abstract:

本文运用遗传算法(GA)综合稀疏阵列(单元从规则栅格中稀疏)时,不仅优化单元间距,而且将单元激励也作为优化变量,从而提供了更多的自由度来控制稀疏阵列的性能.其中,单元的幅相加权在数字波束形成天线中可以很容易通过数字方法实现.由于稀疏阵列间隔是栅格的整数倍,因此采用了GA结合快速傅立叶变换的方法加快阵列方向图的评估,提高了优化效率.

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