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Published on: May 1, 2018
Locating Underground Pipe Using Wideband Chaotic Ground Penetrating Radar
Jingxia Li1,2, Tian Guo3,4, Henry Leung5
1Key Laboratory of Advanced Transducers & Intelligent Control System, Ministry of Education and Shanxi Province, Taiyuan University of Technology, Taiyuan 030024, China. lijingxia@tyut.edu.cn.
Abstract:
An experimental wideband chaotic ground penetrating radar is proposed to locate underground pipes. A chaotic signal with a bandwidth of 1.56 GHz is utilized as the probe signal. The localization of the pipes is achieved by correlating the chaotic echo signal with its delayed duplicate and back-projection algorithm. Experimental results demonstrate that plastic pipe, metallic pipe, and multiple pipes can be located with a range resolution of 10 cm. Limited by the height of the sand, the detectable range is estimated to be 0.7 m for both the plastic pipes and the metallic pipes when the transmitting power is -12 dBm. The proposed system has the potential to detect buried pipes, and it is suitable for geological and civil engineering applications.
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