GPR Bowtie Antennas with Reduced Induction Footprints for Dual-Modality Detectors

GPR Bowtie Antennas with Reduced Induction Footprints for Dual-Modality Detectors
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DOI：
10.1109/apusncursinrsm.2019.8889194
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发表时间：
2019-07
期刊：
2019 IEEE International Symposium on Antennas and Propagation and USNC-URSI Radio Science Meeting
影响因子：
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通讯作者：
W. van Verre;Xianyang Gao;F. Podd;D. Daniels;A. Peyton
W. van Verre;Xianyang Gao;F. Podd;D. Daniels;A. Peyton
中科院分区：
其他
文献类型：
--
作者：
W. van Verre;Xianyang Gao;F. Podd;D. Daniels;A. Peyton

文献摘要

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双模态探测器系统通常需要将探地雷达天线放置在电磁感应（EMI）传感器附近。传统的蝴蝶结天线有很大的铜区域，涡流可以在其中流动，导致EMI传感器的响应很大。新的天线设计，去除特定的铜区域，以减少涡流的面积的基础上，在这里介绍和评估。发现来自EMI传感器的响应的幅度可以减少超过91%，而基本上不改变由天线发射的时域信号。
Dual-modality detector systems often require ground-penetrating radar antennas to be placed in close proximity to electro-magnetic induction (EMI) sensors. Traditional bowtie antennas have large copper areas in which eddy-currents can flow, leading to a big response from the EMI sensor. New antenna designs, based on removing specific copper areas to reduce the area of the eddy-currents, are introduced and evaluated here. It was found that the magnitude of the response from the EMI sensor can be reduced by over 91% without substantially altering the time-domain signal transmitted by the antennas.