Pattern sidelobe level suppression on antenna array with arbitrary geometry by the IRLS algorithm

I. Dotlic, A. Zejak
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引用次数: 9

Abstract

A novel method for suppressing antenna array radiation pattern sidelobes while keeping the main lobe width constant has been proposed. The method is based on the IRLS (iterative reweighted least squares) algorithm, which has found wide application in the field of radar pulse compression. The algorithm is not restricted by the array geometry and the mutual element coupling and has no limitations regarding the array excitation coefficients and array radiation pattern. In comparison with the ECF (envelope constrained filter) method, it showed much better results in sidelobe suppression. The algorithm implementation is simple and straightforward.
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基于IRLS算法的任意几何天线阵方向图旁瓣电平抑制
提出了一种在保持主瓣宽度不变的情况下抑制天线阵辐射方向图副瓣的新方法。该方法基于迭代再加权最小二乘算法,在雷达脉冲压缩领域得到了广泛的应用。该算法不受阵列几何形状和互元耦合的限制,不受阵列激励系数和阵列辐射方向图的限制。与包络约束滤波(ECF)方法相比,该方法具有更好的副瓣抑制效果。算法实现简单明了。
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