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

Yu Zhang; Dan Orfeo; Dylan Burns; Jonathan Miller; Dryver Huston; Tian Xia

doi:10.1117/12.2260055

19 April 2017 Buried nonmetallic object detection using bistatic ground penetrating radar with variable antenna elevation angle and height

Yu Zhang, Dan Orfeo, Dylan Burns, Jonathan Miller, Dryver Huston, Tian Xia

Author Affiliations +

Proceedings Volume 10169, Nondestructive Characterization and Monitoring of Advanced Materials, Aerospace, and Civil Infrastructure 2017; 1016908 (2017) https://doi.org/10.1117/12.2260055
Event: SPIE Smart Structures and Materials + Nondestructive Evaluation and Health Monitoring, 2017, Portland, Oregon, United States

Abstract

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.

Conference Presentation

Citation Download Citation

Yu Zhang, Dan Orfeo, Dylan Burns, Jonathan Miller, Dryver Huston, and Tian Xia "Buried nonmetallic object detection using bistatic ground penetrating radar with variable antenna elevation angle and height", Proc. SPIE 10169, Nondestructive Characterization and Monitoring of Advanced Materials, Aerospace, and Civil Infrastructure 2017, 1016908 (19 April 2017); https://doi.org/10.1117/12.2260055

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