基于辅助相位优化的交替投影阵列综合算法

doi:10.3969/j.issn.0372-2112.2017.11.005

电子学报 ›› 2017, Vol. 45 ›› Issue (11): 2602-2610.DOI: 10.3969/j.issn.0372-2112.2017.11.005

基于辅助相位优化的交替投影阵列综合算法

万川, 韩玉兵, 盛卫星, 马晓峰, 张仁李

南京理工大学电子工程与光电技术学院, 江苏南京 210094

收稿日期:2016-07-21 修回日期:2016-10-08 出版日期:2017-11-25
- 通讯作者:
- 韩玉兵
- 作者简介:
- 万川,女,1991年7月出生于江苏泰州.2013年获得南京理工大学工科学士学位.现为南京理工大学电子工程与光电技术学院信息与通信工程专业博士研究生.主要研究方向为阵列信号处理、阵列天线波束赋形.E-mail:CWan_pawan@163.com
- 基金资助:
- 国家自然科学基金 (No.11273017，No.61471196）; 江苏省普通高校学术学位研究生科研新计划项目 (No.KYLX16-0448）

Pattern Synthesis with Auxiliary Phase Optimization Based on Alternating Projection

WAN Chuan, HAN Yu-bing, SHENG Wei-xing, MA Xiao-feng, ZHANG Ren-li

School of Electronic and Optical Engineering, Nanjing University of Science and Technology, Nanjing, Jiangsu 210094, China

Received:2016-07-21 Revised:2016-10-08 Online:2017-11-25 Published:2017-11-25

摘要/Abstract

摘要： 本文提出一种新的方向图快速综合算法.该方法基于交替投影算法（AP），首先对目标方向图幅度进行限制，其次引入了目标方向图相位变量并对其进行优化，得到最佳目标方向图相位，最后结合临近分裂方法来求解有约束的最小二乘问题（CLMS）以获得满足要求的激励.相比于其他AP类算法只对方向图幅度进行限制的处理，本文对方向图相位的优化处理有助于提高算法的收敛速度和性能.实验结果表明，无论有无激励约束的情况下，该算法均能取得良好的优化效果，且适用于任意阵列，具有很好的推广能力.

关键词: 方向图综合, 交替投影, 方向图相位优化, 阵中天线方向图, 激励约束

Abstract: A new method of fast pattern synthesis is presented in this paper.Under the framework of alternating projection (AP),the amplitudes of desired pattern is firstly constrained.Then the method adopts an auxiliary phase function to obtain the optimized phases of desired pattern.Finally,the required excitations can be obtained from a constrained least mean squares (CLMS),which is solved by the proximal splitting method.Compared with other methods based on AP,the optimization of pattern phase is helpful to improve the convergence speed and performance of the algorithm.The synthesized results show its high performance in the pattern synthesis with or without excitation constraints.The proposed method is suitable for the arbitrary arrays and has good generalization capability.

Key words: pattern synthesis, alternating projection, optimization of pattern phase, embedded element pattern, excitation constraints

中图分类号:

TN821.8

万川, 韩玉兵, 盛卫星, 马晓峰, 张仁李. 基于辅助相位优化的交替投影阵列综合算法[J]. 电子学报, 2017, 45(11): 2602-2610.

WAN Chuan, HAN Yu-bing, SHENG Wei-xing, MA Xiao-feng, ZHANG Ren-li. Pattern Synthesis with Auxiliary Phase Optimization Based on Alternating Projection[J]. Acta Electronica Sinica, 2017, 45(11): 2602-2610.

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基于辅助相位优化的交替投影阵列综合算法

Pattern Synthesis with Auxiliary Phase Optimization Based on Alternating Projection

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