太赫兹雷达技术

王宏强 邓彬 秦玉亮

王宏强, 邓彬, 秦玉亮. 太赫兹雷达技术[J]. 雷达学报, 2018, 7(1): 1-21. doi: 10.12000/JR17107
引用本文: 王宏强, 邓彬, 秦玉亮. 太赫兹雷达技术[J]. 雷达学报, 2018, 7(1): 1-21. doi: 10.12000/JR17107
Wang Hongqiang, Deng Bin, Qin Yuliang. Review of Terahertz Radar Technology[J]. Journal of Radars, 2018, 7(1): 1-21. doi: 10.12000/JR17107
Citation: Wang Hongqiang, Deng Bin, Qin Yuliang. Review of Terahertz Radar Technology[J]. Journal of Radars, 2018, 7(1): 1-21. doi: 10.12000/JR17107

太赫兹雷达技术

doi: 10.12000/JR17107
基金项目: 国家部委基金
详细信息
    作者简介:

    王宏强(1970–),男,出生于陕西省宝鸡市,国防科技大学电子科学学院研究员,973项目技术首席、装发部目标及其环境特性专业组专家、军委科技委国防科技创新特区主题专家、原军口863专家、中国兵工学会太赫兹应用技术专业委员会委员;入选国家“百千万”人才工程,并被授予“有突出贡献中青年专家”荣誉称号;入选教育部新世纪优秀人才支持计划、军队高层次科技创新人才工程——学科拔尖人才培养对象;获中国科协“求是杰出青年奖——实用工程奖”。获国家技术发明二等奖1项、国家科技进步二等奖2项、军队科技进步一等奖4项、军队科技进步二等奖1项。从事太赫兹技术、雷达目标识别、雷达信号处理等研究

    邓 彬(1981–),男,出生于山东省邹城市,国防科技大学电子科学学院副研究员,从事合成孔径雷达、太赫兹雷达微动与成像等研究

    秦玉亮(1980–),男,生于山东省潍坊市,国防科技大学电子科学学院副研究员,主要从事太赫兹雷达、雷达关联成像和电磁涡旋方面研究

    通讯作者:

    邓彬   dengbin@nudt.edu.cn

  • 中图分类号: TN95

Review of Terahertz Radar Technology

Funds: The National Ministries Foundation
  • 摘要: 太赫兹雷达具有带宽大、分辨率高、多普勒敏感、抗干扰等独特优势,是目标探测领域的重要发展方向。该文首先回顾和介绍了电子学和光学太赫兹雷达系统历史、现状和最新进展,其次对太赫兹雷达目标特性从机理、计算、测量3个方面进行了梳理和概要介绍,同时阐述了太赫兹ISAR、SAR、阵列和孔径编码成像研究状况,简要介绍了太赫兹雷达在预警探测、安检反恐等领域的应用,最后对太赫兹雷达技术的发展方向进行了展望。

     

  • 图  1  太赫兹波产生辐射方式

    Figure  1.  The generating ways of terahertz wave

    图  2  线阵扫描合成孔径雷达

    Figure  2.  The linear array scanning SAR

    图  3  225 GHz脉冲雷达与测量结果

    Figure  3.  The 225 GHz pulse radar and tracked result

    图  4  670 GHz雷达框图与成像结果

    Figure  4.  The 670 GHz radar and the imaging result

    图  5  太赫兹雷达芯片

    Figure  5.  The terahertz radar on chip

    图  6  2.4 THz成像雷达框图与成像结果

    Figure  6.  The 2.4 THz radar and the imaging result

    图  7  太赫兹雷达系统发展历程

    Figure  7.  The developing process of terahertz radar

    图  8  T5M3目标的RCS测量结果与X-Patch计算结果比较

    Figure  8.  The RCS comparing results of T5M3 and X-Patch

    图  9  STL实验室对3份不同粗糙样品的散射系数测量结果

    Figure  9.  The dissipation coefficient of three rough samples

    图  10  仿真数据与测量数据的重建图像比较

    Figure  10.  The reconstructed image of the simulation and the experiment

    图  11  频率0.6 THz时T64坦克2维多普勒成像

    Figure  11.  The two-dimensional Doppler imaging of T64 based on 0.6 THz

    图  12  粗糙立方体模型及成像结果

    Figure  12.  The model and imaging of rough cube

    图  13  太赫兹雷达成像方式

    Figure  13.  The imaging ways of terahertz radar

    图  14  140 m距离的自行车目标转台成像

    Figure  14.  The turntable imaging of bicycle with 140 m

    图  15  进动弹头目标ISAR成像结果

    Figure  15.  The imaging result of precession warhead

    图  16  MIRANDA-300雷达车载成像结果

    Figure  16.  The vehicle imaging of MIRANDA-300 radar

    图  17  国防科技大学车载THz-SAR系统及成像结果

    Figure  17.  The vehicle THz-SAR system and imaging of NUDT

    图  18  TeraSCREEN项目拟采用的阵列构型

    Figure  18.  The intending array configuration of TeraSCREEN

    图  19  0.2 THz雷达携带手枪人体模型成像结果

    Figure  19.  The imaging of the people carried pistol by 0.2 THz

    图  20  工物院340 GHz-MIMO成像系统实物图与成像结果

    Figure  20.  The picture and imaging of 340 GHz-MIMO of industrial institute

    图  21  英国伯明翰大学实验系统及结果

    Figure  21.  The experimental system and result of University of Birmingham

    表  1  220 GHz电子学器件发展水平(2017年)

    Table  1.   The development status of 220 GHz electronic devices (2017)

    器件类型 国外 国内
    固态器件 倍频器 效率>20%,功率>100 mW 效率约10%,功率约20 mW
    固态功放 功率约180 mW 功率约10 mW,带宽6 GHz
    分谐波混频器 噪声系数7 dB,变频损耗约6 dB 噪声系数6 dB,变频损耗约7 dB
    低噪声放大器 噪声系数约5 dB,增益约17 dB
    电真空器件 行波管功放 功率约60 W,增益约30 dB,带宽>15 GHz 功率约1.2 W,增益约20 dB,带宽>10 GHz
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  • 收稿日期:  2017-11-20
  • 修回日期:  2017-12-29
  • 网络出版日期:  2018-02-28

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