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首页> 外文期刊>IEEE Geoscience and Remote Sensing Letters >EBG Antenna for GPR Colocated With a Metal Detector for Landmine Detection
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EBG Antenna for GPR Colocated With a Metal Detector for Landmine Detection

机译：用于GPR的EBG天线与用于地雷探测的金属探测器并置

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摘要

Electromagnetic band-gap (EBG) antennas are ideal for handheld sensing applications, such as ground-penetrating radar (GPR) for landmine detection, because of their small size, efficiency, and directivity. Increased detection performance has been shown when a GPR is combined with a metal detector, but a typical EBG antenna would preclude the sensors from being colocated because of the large amount of metal in the EBG structure. An EBG composed of very thin metal is proposed in this letter for application as a GPR colocated with a metal detector, without causing a significant self-response in the metal detector. Manufacturing methods are discussed, and GPR measurements are shown from the thin-metal EBG antennas. The metal detector response from a thin metal sheet is discussed, and measurements of the EBG ground planes are shown using a laboratory wideband electromagnetic induction system. The response from the thin metal is shown to be as low as three orders of magnitude less than from a copper sheet at typical metal detector frequencies.
机译：电磁带隙（EBG）天线尺寸小，效率高，方向性好，是手持式感应应用的理想之选，例如用于探雷的探地雷达（GPR）。当将GPR与金属探测器结合使用时，已显示出提高的检测性能，但是由于EBG结构中的金属含量很高，典型的EBG天线会阻止传感器并置。在这封信中，提出了一种由非常薄的金属组成的EBG，可以用作与金属探测器并置的GPR，而不会在金属探测器中引起明显的自响应。讨论了制造方法，并从薄金属EBG天线显示了GPR测量。讨论了来自薄金属板的金属探测器的响应，并使用实验室宽带电磁感应系统显示了EBG接地平面的测量值。在典型的金属探测器频率下，薄金属的响应比铜板的响应低了三个数量级。

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