Research on the Optimal Subarray Partition Based on Clustering Algorithm

XIONG Zi-yuan; XU Zhen-hai; ZHANG Liang; WU Di-jun; XIAO Shun-ping

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Research on the Optimal Subarray Partition Based on Clustering Algorithm

更新时间：2025-07-16

- Research on the Optimal Subarray Partition Based on Clustering Algorithm
- Acta Electronica Sinica Vol. 39, Issue 11, Pages: 2615-2621(2011)
- 作者机构：
  
  国防科技大学电子科学与工程学院,湖南,长沙,410073
- 作者简介：
- 基金信息：
- DOI：
  CLC： TN957
- Published：2011
- 稿件说明：
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XIONG Zi-yuan, XU Zhen-hai, ZHANG Liang, et al. Research on the Optimal Subarray Partition Based on Clustering Algorithm[J]. Acta Electronica Sinica, 2011, 39(11): 2615-2621.
DOI：

XIONG Zi-yuan, XU Zhen-hai, ZHANG Liang, et al. Research on the Optimal Subarray Partition Based on Clustering Algorithm[J]. Acta Electronica Sinica, 2011, 39(11): 2615-2621. DOI：

摘要

系统研究了大型阵列雷达中的最优子阵划分问题.分析了权矢量逼近准则下最优子阵划分方法的理论基础

得出最优子阵划分方案是否具有邻接性的判断依据

同时提出了一种新的子阵划分方法.与传统的基于聚类算法的子阵划分方法相比

新方法能够进一步减少权矢量逼近误差

获得更优的波束性能.在给定面阵结构及和差波束形成框架下

对提出的新方法进行仿真分析

并与两种传统的子阵划分方法相比较

验证了新方法的有效性.

Abstract

This paper deals with the optimization of subarray partition operated in large array radar.The theoretical basis of the optimal subarray partition is analyzed based on the principle of minimizing the "residual error" of excitation coefficients.The judgment basis about the contiguous characteristic of the optimal subarray partition is presented

and an innovative approach for subarray partition is proposed.Comparing with the traditional method based on clustering algorithm

the new method can decrease the "residual error" father more

and hold better beam performance.Numerical experiments are reported when the construct of the array and the feed architecture of sum and difference beams are given.Comparing research with two old methods is also presented

and the results demonstrate the efficacy of the proposed methods.

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