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
相关论文
共 50 条
  • [41] Electromagnetic near-field focusing based on metasurfaces
    Wu, Song
    Zhang, Yihang
    Cui, Xiandai
    Zhang, Jinye
    Xu, Peng
    [J]. OPTICS COMMUNICATIONS, 2024, 553
  • [42] Plasmonic near-field focusing with nanotips structure
    Wu, Yong
    Wei, Dong
    Li, Dapeng
    Xin, Zhaowei
    Zhang, Xinyu
    Wang, Haiwei
    Xie, Changsheng
    [J]. MIPPR 2017: MULTISPECTRAL IMAGE ACQUISITION, PROCESSING, AND ANALYSIS, 2018, 10607
  • [43] Toward a near-field optical array
    Pantano, P
    Walt, DR
    [J]. REVIEW OF SCIENTIFIC INSTRUMENTS, 1997, 68 (03): : 1357 - 1359
  • [44] An Optically Transparent Near-Field Focusing Metasurface
    Li, Long
    Zhang, Pei
    Cheng, Fangjie
    Chang, Mingyang
    Cui, Tie Jun
    [J]. IEEE TRANSACTIONS ON MICROWAVE THEORY AND TECHNIQUES, 2021, 69 (04) : 2015 - 2027
  • [45] Focusing properties of near-field time reversal
    de Rosny, Julien
    Fink, Mathias
    [J]. PHYSICAL REVIEW A, 2007, 76 (06):
  • [46] A unidirectional subwavelength focusing near-field plate
    Imani, Mohammadreza F.
    Grbic, Anthony
    [J]. JOURNAL OF APPLIED PHYSICS, 2014, 115 (04)
  • [47] Near-Field Focused Array Antenna With Frequency-Tunable Focal Distance
    Li, Peng-Fa
    Qu, Shi-Wei
    Yang, Shiwen
    Liu, Yuan'An
    Xue, Quan
    [J]. IEEE TRANSACTIONS ON ANTENNAS AND PROPAGATION, 2018, 66 (07) : 3401 - 3410
  • [48] Near-Field Test Challenges of High Frequency Digital Phased Array Antennas
    van Rensburg, Daniel Janse
    [J]. 2020 INTERNATIONAL SYMPOSIUM ON ANTENNAS AND PROPAGATION (ISAP), 2021, : 327 - 328
  • [49] Experimental verification of subwavelength acoustic focusing using a near-field array of closely spaced elements
    Abasi, Reza
    Markley, Loic
    Eleftheriades, George V.
    [J]. JOURNAL OF THE ACOUSTICAL SOCIETY OF AMERICA, 2011, 130 (06): : EL405 - EL409
  • [50] Near-Field Beam Focusing Pattern and Grating Lobe Characterization for Modular XL-Array
    Li, Xinrui
    Dong, Zhenjun
    Zeng, Yong
    Jin, Shi
    Zhang, Rui
    [J]. IEEE CONFERENCE ON GLOBAL COMMUNICATIONS, GLOBECOM, 2023, : 4068 - 4073
12345