An optimum method of sparse concentric rings array based on dimensionality reduction

被引：0

作者：

Yu, Bo ^{[1
]}

Chen, Ke-Song ^{[1
]}

Zhu, Pan ^{[2
]}

Wang, Guo-Qiang ^{[2
]}

机构：

[1] School of Electronic Engineering, University of Electronic Science and Technology of China

[2] The Second Research Institute of Civil Aviation Administration of China

来源：

Dianzi Yu Xinxi Xuebao/Journal of Electronics and Information Technology | 2014年 / 36卷 / 02期

关键词：

Concentric rings array; Dimensionality reduction; Genetic algorithms; Side lobe level; Sparse array;

D O I：

10.3724/SP.J.1146.2013.00526

中图分类号：

O1 [数学];

学科分类号：

0701 ; 070101 ;

摘要：

A dimensionality reduction method based on modified genetic algorithm is presented under the constraints of fixing the aperture, the number of elements and the minimum element spacing. In order to utilize effectively the freedom of array element, the proposed method transforms the positions of two-dimensional concentric rings array optimization design into one-dimensional linear array when sparse array meet multiple optimization constraints, and then restore to the concentric rings array when calculating its performance. The proposed method reduces greatly the computation time and the complexity of the model. Meanwhile, due to the combined optimization of all elements, the optimization design is improved. Simulation results demonstrate the effectiveness of the proposed method.

引用

页码：476 / 481

页数：5

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