Three-directional analytic signal analysis and interpretation of magnetic gradient tensor

Guo, Can-wen; Xing, Zhe; Wang, Lin-Fei; Ma, Yuduan; Huan, Hengfei

doi:10.1007/s11770-020-0803-0

Cited by 2 publications

(2 citation statements)

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“…For example, Keating and Pilkington (2004) apply the Euler equation to analytic signal of the potential field to estimate source location and SI simultaneously. Salem et al (2008) develop a linear equation without the parameter SI by applying tilt angle, which is known as Tilt-Euler method and followed by many researches (Ma, 2013(Ma, , 2014Alamdar et al, 2014;Guo et al, 2014Guo et al, , 2020Wang et al, 2019). In our previous studies, we also suggest an improved Euler method to avoid the parameter SI (Huang et al, 2019) based on high-order derivatives.…”

Section: Introductionmentioning

confidence: 99%

“…Salem et al . (2008) develop a linear equation without the parameter SI by applying tilt angle, which is known as Tilt‐Euler method and followed by many researches (Ma, 2013, 2014; Alamdar et al ., 2014; Guo et al ., 2014, 2020; Wang et al ., 2019). In our previous studies, we also suggest an improved Euler method to avoid the parameter SI (Huang et al ., 2019) based on high‐order derivatives.…”

Section: Introductionmentioning

confidence: 99%

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Ratio‐Euler deconvolution and its applications

Huang

Zhang

et al. 2022

Geophysical Prospecting

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Euler deconvolution of potential field data is widely applied to obtain the location of concealed sources automatically. A lot of improvements have been proposed to eliminate the dependence of Euler deconvolution on the structural index that are based on the use of high‐order derivatives of the potential field and, therefore, sensitive to data noise. We describe the elimination of the dependence on the Ratio‐Euler method, which is based on the original Euler deconvolution function. The proposed method does not involve high‐order derivatives. Testing on simulated and field data indicates that the proposed method has better noise resistance than the existing Tilt‐Euler method, which is based on high‐order derivatives. The proposed method is first applied to the ground magnetic data from Weigang iron deposit, Eastern China. It reveals that the ore body could be approximated by a horizontal prism with a considerable vertical extent with a top depth of 55 m, which are very close to the information obtained from drill holes. In addition, the proposed method works well in estimating the depth to a cavity centre from the ground gravity anomaly.

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