1.同济大学测绘与地理信息学院,上海 200092
2.同济大学空间信息科学与可持续发展应用中心,上海 200092
3.同济大学物理科学与工程学院,上海 200092
[ "郝彤 男,1980年7月出生于江苏省扬州市.现为同济大学测绘与地理信息学院长聘教授、博士生导师.在国内外发表学术论文100余篇.tonghao@tongji.edu.cn" ]
[ "郑吴安 男,1996年1月出生于甘肃省陇南市.现为同济大学测绘与地理信息学院博士研究生.主要研究方向为电磁超表面在探地雷达增强探测中的应用. E-mail: zhengwuan@tongji.edu.cn" ]
[ "李晓静 女,1997年4月出生于河南省洛阳市.现为同济大学物理科学与工程学院博士研究生.主要研究方向为电磁超表面对无损探测信号的增强技术. E-mail: xjli@tongji.edu.cn" ]
收稿:2024-11-28,
修回:2025-05-30,
纸质出版:2025-07-25
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郝彤, 郑吴安, 李晓静. 超表面阻抗匹配层在电磁无损检测信号增强中的应用研究综述[J]. 电子学报, 2025, 53(07): 2539-2557.
HAO Tong, ZHENG Wu-an, LI Xiao-jing. Review on the Application of Metasurface,-Based Impedance Matching Layer for Non,-Destructive Testing Signal Enhancement[J]. Acta Electronica Sinica, 2025, 53(07): 2539-2557.
郝彤, 郑吴安, 李晓静. 超表面阻抗匹配层在电磁无损检测信号增强中的应用研究综述[J]. 电子学报, 2025, 53(07): 2539-2557. DOI:10.12263/DZXB.20241070
HAO Tong, ZHENG Wu-an, LI Xiao-jing. Review on the Application of Metasurface,-Based Impedance Matching Layer for Non,-Destructive Testing Signal Enhancement[J]. Acta Electronica Sinica, 2025, 53(07): 2539-2557. DOI:10.12263/DZXB.20241070
电磁无损检测(Non-Destructive Testing,NDT)是一种非侵入型介质内部信息检测与评估方法,广泛应用于生物医学检测、建筑内部损伤探测与定位、地下空间及介质内部目标识别与成像等领域.在检测过程中,信号进入待测介质(Material Under Test,MUT)内部前会在空气-MUT交界面产生反射,反射信号不仅不携带任何有用信息,还减弱了探测信号的总能量.因此,通过阻抗匹配的方式消除空气-MUT交界面的反射,能够提高信号透射率,进而有效增加NDT回波信号的强度.电磁超表面作为一种新颖的匹配层结构,在NDT信号增强领域得到了广泛应用.本文从阻抗匹配的原理出发,综述其在生物医学检测、水体内外信号传输、室内信息穿墙交互及地下管线增强探测等方面的发展与应用,总结现阶段超表面阻抗匹配层在应用中的需求、面临的困难与挑战,为NDT及信号传输增强领域中阻抗匹配技术的发展提供参考与启发.
Electromagnetic non-destructive testing (NDT) is a non-invasive method for detecting and evaluating the internal information of various media. It is widely used in various fields
including biomedical detection
localization of internal damage in buildings
and identification and imaging of targets within underground spaces and other media. During the testing process
reflections at the air-material under test (MUT) interface before entering the interior of the MUT. The reflected signals not only carry no useful information but also attenuate the total energy of the detection signal. Therefore
eliminating the reflections at the air-MUT interface through impedance matching can enhance the signal transmission efficiency
thereby effectively increasing the strength of the NDT echo signals. Metasurfaces
a novel type of impedance-matching structures
have been widely applied in NDT signal enhancement scenarios. This paper reviews the principles of impedance matching and its development and applications in various fields
including biomedical detection
signal transmission in and out of water bodies
indoor information penetration through walls
and enhanced detection of underground pipelines. It also summarizes the current requirements
challenges
and difficulties associated with the practical application of metasurface-based impedance matching layers. This work aims to provide references and insights for the advancement of impedance matching techniques in the field of NDT and signal transmission enhancement.
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