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Locating Underground Pipe Using Wideband Chaotic Ground Penetrating Radar

机译:利用宽带混沌探地雷达定位地下管道

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摘要

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.
机译:提出了一种实验性的宽带混沌探地雷达,用于定位地下管道。带宽为1.56 GHz的混沌信号被用作探测信号。通过将混沌回波信号与其延迟的重复和反投影算法相关联,可以实现管道的定位。实验结果表明,塑料管,金属管和多根管的位置分辨率可以达到10 cm。受沙子高度的限制,当发射功率为-12 dBm时,塑料管和金属管的可检测范围估计均为0.7 m。拟议的系统具有探测地下管道的潜力,适用于地质和土木工程应用。

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