For the detection of underwater metal objects, electromagnetic detection technology is not limited by hydrological conditions, and has the advantages of stability, reliability, strong concealment, strong recognition ability and high positioning accuracy. Active electromagnetic detection achieves the detection of metal objects by radiating electromagnetic fields and detecting the induction characteristics of the target. This paper designs an active electromagnetic detection method for underwater metal targets based on the adaptive compensation scheme of active electromagnetic primary field, and builds an active electromagnetic detection system, which successfully detects cylindrical targets with a diameter of more than 150mm within a distance of 4m.
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Zhu et al. (2024) studied this question.
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