Buried nonmetallic object detection using bistatic ground penetrating radar with variable antenna elevation angle and height

Buried nonmetallic object detection using bistatic ground penetrating radar with variable antenna elevation angle and height
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使用具有可变天线仰角和高度的双基地探地雷达进行埋地非金属物体检测

DOI:
10.1117/12.2260055
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发表时间:
2017
期刊:
SPIE Proceedings
影响因子:
--
通讯作者:
Xia, Tian
Xia, Tian
中科院分区:
--
文献类型:
--
作者:
Wu, H. Felix;Gyekenyesi, Andrew L.;Shull, Peter J.;Yu, Tzu-Yang;Zhang, Yu;Orfeo, Dan;Burns, Dylan;Miller, Jonathan;Huston, Dryver;Xia, Tian

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探地雷达(GPR)已被证明是一种有效的设备,用于探测埋在地下的物体,有很少或没有金属含量,如塑料,陶瓷和混凝土管道。在本文中,地下非金属物体的检测评估不同的天线仰角和高度使用双基地空射探地雷达。由于天线与地面之间的距离较大,空射探地雷达比手持探地雷达和车载探地雷达具有更大的传播损耗。此外,非金属物体可能具有类似的介电性质的掩埋介质,这导致进一步的困难,使用空中发射的探地雷达的准确检测。为了研究这种影响,GPR模拟和GPR实验室实验进行了各种设置,其中天线放置在不同的高度和角度。在实验中,测试表面区域被配置有和没有岩石,以检查表面杂波的效果。实验结果验证了双基地空射探地雷达探测地下非金属目标的可行性和有效性,为无人机机载探地雷达进行地下探测提供了有价值的参考。
Ground penetrating radar (GPR) has been shown to be an effective device for detecting buried objects that have little or no metal content, such as plastic, ceramic, and concrete pipes. In this paper, buried non-metallic object detection is evaluated for different antenna elevation angles and heights using a bistatic air-launched GPR. Due to the large standoff distance between antennas and the ground surface, the air-launched GPR has larger spreading loss than the hand-held GPR and vehicle-mounted GPR. Moreover, nonmetallic objects may have similar dielectric property to the buried medium, which results in further difficulty for accurate detection using air-launched GPR. To study such effects, both GPR simulations and GPR laboratory experiments are performed with various setups where antennas are placed at different heights and angles. In the experiments, the test surface areas are configured with and without rocks in order to examine surface clutter effect. The experimental results evaluate the feasibility and effectiveness of bistatic air-launched GPR for detecting buried nonmetallic objects, which provide valuable insights for subsurface scanning with unmanned aerial vehicle (UAV) mounted GPR.
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