涡旋电磁波旋转多普勒效应研究进展

郭忠义 汪彦哲 王运来 郭凯

郭忠义, 汪彦哲, 王运来, 等. 涡旋电磁波旋转多普勒效应研究进展[J]. 雷达学报, 待出版. doi: 10.12000/JR21109
引用本文: 郭忠义, 汪彦哲, 王运来, 等. 涡旋电磁波旋转多普勒效应研究进展[J]. 雷达学报, 待出版. doi: 10.12000/JR21109
GUO Zhongyi, WANG Yanzhe, WANG Yunlai, et al. Research advances on the rotational Doppler effect of vortex electromagnetic waves[J]. Journal of Radars, in press. doi: 10.12000/JR21109
Citation: GUO Zhongyi, WANG Yanzhe, WANG Yunlai, et al. Research advances on the rotational Doppler effect of vortex electromagnetic waves[J]. Journal of Radars, in press. doi: 10.12000/JR21109

涡旋电磁波旋转多普勒效应研究进展

doi: 10.12000/JR21109
基金项目: 国家自然科学基金(61775050),中央高校基本研究经费(PA2019GDZC0098)
详细信息
    作者简介:

    郭忠义(1981–),男,安徽阜南人,合肥工业大学教授、博士生导师。主要研究方向包括涡旋雷达系统、智能传感系统、偏振智能信息处理、先进光通信技术、复杂电磁环境等。发表SCI检索论文200余篇,被国际国内同行正面引用2600余次

    汪彦哲(1996–),男,安徽芜湖人,在读硕士。2019年于合肥工业大学计算机与信息学院攻读硕士学位。研究方向为涡旋电磁波天线与涡旋电磁波雷达成像

    王运来(1999–),男,安徽铜陵人,在读硕士。2020年于合肥工业大学计算机与信息学院攻读硕士学位。研究方向为涡旋电磁波天线与涡旋电磁波雷达成像

    郭凯:郭 凯(1987–),男,安徽界首人,合肥工业大学副教授、硕士生导师。主要研究方向为涡旋雷达系统、偏振智能信息处理、先进光通信技术、纳米光子学等。发表SCI检索论文60余篇,被国际国内同行正面引用800余次

    通讯作者:

    郭忠义 guozhongyi@hfut.edu.cn

  • 责任主编:李龙 Corresponding Editor: LI Long
  • 中图分类号: TN98

Research Advances on the Rotational Doppler Effect of Vortex Electromagnetic Waves

Funds: The National Natural Science Foundation of China (61775050), Fundamental Research Funds for the Central Universities of China (PA2019GDZC0098)
More Information
  • 摘要: 依据多普勒效应,传统雷达可以实现对运动目标探测,但是在对旋转目标的角向运动趋势感知存在检测盲区。涡旋电磁波的旋转多普勒效应的发现,因有助于解决直视下的旋转目标的角向运动趋势感知问题,引起了国内外研究人员的广泛关注。该文主要介绍了近年来涡旋电磁波旋转多普勒效应的研究进展,特别是微波波段的相关研究成果,包括目标在准轴和非准轴状况下的旋转多普勒效应研究,复杂运动条件下的径向多普勒、微多普勒和旋转多普勒效应的解耦合研究,以及旋转多普勒效应在雷达成像和测速中的应用研究。同时,该文也对该领域亟待解决的问题进行了总结分析,并对未来的研究方向及相关应用进行了展望。

     

  • 图  1  不同模式OAM波束图

    Figure  1.  OAM beam patterns of different modes

    图  2  常见的4种涡旋电磁波天线

    Figure  2.  Four kinds of common vortex electromagnetic wave antennas

    图  3  多普勒效应示意图

    Figure  3.  Schematic diagram of the Doppler effect

    图  4  光波段的旋转多普勒效应研究

    Figure  4.  Researches of the rotational Doppler effect in the optical band

    图  5  准轴情况下的旋转多普勒效应研究

    Figure  5.  Researches of the rotational Doppler effect in on-axis case

    图  6  非准轴情况下的旋转多普勒效应研究

    Figure  6.  Researches of the rotational Doppler effect in off-axis case

    图  7  多普勒效应解耦合研究

    Figure  7.  Researches of decoupling the Doppler effect

    图  8  基于旋转多普勒效应的雷达系统研究

    Figure  8.  Researches of radar system based on the rotational Doppler effect

    图  9  阵列半径a=5λ时,不同OAM模式数的涡旋电磁波在传输过程中的发散情况

    Figure  9.  Divergence situation of transmitting vortex electromagnetic waves with different OAM modes generated by the UCA with radius of a=5λ

    表  1  报道的准轴情况下的旋转多普勒效应检测性能

    Table  1.   Reported performances of detecting the rotational Doppler effect in on-axis case

    文献检测方法检测目标检测距离(λ)工作频率(GHz)OAM模式旋转速度(π rad/s)检测误差(%)
    [60]相位测量法金属圆盘33201500.36
    [61]频谱分析法金属圆盘332.471–11~+113.00
    [62]时频分析法理想散射点61300~20000(加速度)/
    下载: 导出CSV

    表  2  报道的非准轴情况下的旋转多普勒效应检测性能

    Table  2.   Reported performances of detecting the rotational Doppler effect in off-axis case

    文献检测方法检测目标检测距离(λ)工作频率(GHz)OAM模式旋转速度(π rad/s)检测误差(%)
    [63]频谱分析法金属风扇25101, 2, 3112.88, 1.36, 0.30
    [64]时频分析法理想散射点3331054/
    [65]时频分析法理想散射点666100, 310/
    下载: 导出CSV

    表  3  报道的多普勒效应解耦合方法

    Table  3.   Reported methods of decoupling the Doppler effect

    文献检测方法检测目标检测距离(λ)工作频率(GHz)OAM模式旋转速度(π rad/s)检测误差(%)
    [66]频谱分析法理想散射点/631.8×109/
    [67]频谱分析法金属圆盘/9.9–6~+640/
    [68]时频分析法超表面,螺旋桨/5.8, 30±1, ±247.74, 51.663.60, 2.70
    [69]频谱分析法金属风扇25102, 3111.36
    下载: 导出CSV

    表  4  报道的旋转多普勒效应雷达系统

    Table  4.   Reported rotational Doppler effect radar systems

    文献检测方法检测目标检测距离(λ)工作频率(GHz)OAM模式旋转速度(π rad/s)检测误差(%)
    [70]相位测量法金属圆盘709.9140, 50/
    [72]时频分析法超表面天线505.8–147.840.33
    下载: 导出CSV
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出版历程
  • 收稿日期:  2021-08-08
  • 修回日期:  2021-08-27
  • 网络出版日期:  2021-09-07

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