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Development of a novel GPR for Roadbed Disease inspection

This paper presents the development of a new multi-channel ground penetrating radar (GPR) for Roadbed Disease inspections. Comparing with many existing pavement GPRs of limited survey efficiency, our system have strong joint positioning capability by implementing joint positioning and video system, as well as the customized designed cart-loading units guarantees the operating capability at regular driving speed (up to 40 km/h) in series mode and parallel mode. For design validation, pavement detection experiments are conducted, and the results show that the disease can be obviously detected by this system.