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UNDERGROUND PVC PIPE DETECTION WITH ANTENNA ARRAY |
XU Chonghua1,FAN Jingliang1,LIANG Guangsheng2,LU Jun1 |
1. Eastern China Mineral Exploration and Development Bureau for Nonferrous Metals, Nanjing210007, China; 2.Beijing PT Equipment CO., LTD., Beijing100044, China |
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Abstract Exemplified by the successful detection of underground PVC pipes with antenna array, this paper deals with the principle, the means and the effectiveness of this technique. By utilization of antenna array, four radar maps were drawn with a theoretical scanning, and the detection of two frequencies and four angles were achieved for the targets of the same depth. As a result, the detection accuracy has been improved greatly.
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Published: 01 July 2009
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