Comparative analysis of divergence of tipper imaging with natural and orthogonal electric sources

Shengbao Yu, Hongwei Wang, Changsheng Liu, Ying Guo, Jinlin Huang and Haigen Zhou

Journal of Electromagnetic Waves and Applications, 2024, vol. 38, issue 4, 397-410

Abstract: The divergence of the tipper (DT) is an important imaging method characterized by fast imaging speed and high lateral resolution. It has been recently adopted from the natural source airborne electromagnetic method to the orthogonal electric sources ground-airborne frequency-domain electromagnetic method. However, the imaging characteristics and patterns of DT in the two methods are unclear due to significant differences in the sources used. The application of DT in ground-airborne frequency-domain electromagnetic method is limited. Therefore, this study first identifies the similarities and differences between the two methods from the theory. Furthermore, based on the same simulation model, the response characteristics of the DT excited by natural and orthogonal electric sources are investigated. The similarities and differences between the two methods are clarified. It will contribute to the rapid development and application of the DT imaging in ground-airborne electromagnetic detection method.

Date: 2024
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DOI: 10.1080/09205071.2024.2315061

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