Frequency Diversity Array for Near-Field Focusing

被引：1
作者：
Han, Xu [1 ]
Ding, Shuai [1 ]
Huang, Yongmao [2 ]
Zhou, Yuliang [1 ]
Tang, Huan [1 ]
Wang, Bingzhong [1 ]
机构：
[1] Univ Elect Sci & Technol China, Inst Appl Phys, Chengdu 611731, Peoples R China
[2] Xihua Univ, Sch Elect & Elect Informat, Chengdu 610039, Peoples R China
来源：
ELECTRONICS | 2020年 / 9卷 / 06期
基金：
中国国家自然科学基金;
关键词：
frequency diverse array (FDA); time-varying; focusing; optimization; BEAMPATTERN SYNTHESIS; PATTERN SYNTHESIS;
D O I：
10.3390/electronics9060958
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
In this study, a numerical optimization method is proposed to achieve the near-field focusing of square arrays and circular arrays. This method introduced the frequency diversity array (FDA) approach to change the initial amplitude and working frequency. By adjusting the working state of each antenna, the field distribution on any plane can be artificially controlled. To analyze the FDA, a mathematical model for the FDA has been built and the model has been optimized by a numerical algorithm. The results of two different kinds of arrays are verified by numerical methods and full-wave simulation.
引用
收藏
页码：1 / 12
页数：12
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