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Ground penetrating radar (GPR) technology is widely used in civil engineering projects such as inspection of concrete buildings, pavement road, bridge, tunnel, and underground utilities (water supply pipes, gas pipes, power cables, sewers, etc.). With the application of GPR becoming more and more extensive, in order to further improve its effective...
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Top-coal structure detection is an important basis for realizing effective mining in fully mechanized cave faces. However, the top-coal structure is very complex and often contains multi-layer gangues, which seriously influence the level of effective mining. For these reasons, this paper proposes a novel multi-frequency ground-penetrating radar (GP...
