Interleaved thinned linear arrays

被引：72

作者：

Haupt, RL ^{[1
]}

机构：

[1] Penn State Univ, Appl Res Lab, State Coll, PA 16804 USA

来源：

IEEE TRANSACTIONS ON ANTENNAS AND PROPAGATION | 2005年 / 53卷 / 09期

关键词：

antenna arrays; antenna array feeds; genetic algorithms (GAs); monopulse antennas; phased arrays;

D O I：

10.1109/TAP.2005.854522

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

This paper presents three approaches to improving the efficiency of an array aperture by interleaving two arrays in the same aperture area. The interleaved arrays have aperiodic spacings that are integer multiples of a set minimum spacing and are optimized to reduce the maximum sidelobe level. Fully and partially interleaved sum arrays operating at the same frequencies are demonstrated as well as interleaved sum and difference arrays for a. monopulse system. A genetic algorithm is used to optimize arrays of isotropic point sources as well as arrays of dipoles modeled using the method of moments. Narrow beamwidths are possible while avoiding high sidelobes. The available aperture area is efficiently used.

引用

页码：2858 / 2864

页数：7

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