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    3D Step-by-step inversion strategy for audio magnetotellurics data based on unstructured mesh

    A three-dimensional (3D) step-by-step inversion strategy for audio magnetotellurics (AMT) is investigated in this study. The objective function is minimized by iteratively solving the Gauss-Newton normal equat...

    San Cheng, Zhi-Yong Zhang, Feng Zhou, Man Li, Hui Chen, Fu-Sheng Shi in Applied Geophysics (2021)