2023
DOI: 10.1002/tee.23950
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Research on Frequency‐Domain Electromagnetic Detection Signal Acquisition Technology Based on Multi‐frequencyLCFiltering

Changsheng Liu,
Shuangyu Yu,
Tongchuan Tian
et al.

Abstract: Frequency‐domain electromagnetic (FDEM) instruments are effective tools for detecting underground electrical abnormal targets. However, due to the influence of various noises in the detection process, would lead to l poor signal‐to‐noise ratio of the system and would ultimately affect the detection accuracy. And FDEM detection systems have a defined measuring range. Excessive noise will lead to saturation of the system acquisition and distortion of the measurement. Because of the above problems, an acquisition… Show more

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