2021
DOI: 10.1155/2021/8818552
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The Calculation of High-Order Vertical Derivative in Gravity Field by Tikhonov Regularization Iterative Method

Abstract: In mathematics, statistics, and computer science, particularly in the fields of machine learning and inverse problems, regularization is a process of introducing additional information in order to solve an ill-posed problem or to prevent overfitting. The Tikhonov regularization method is widely used to solve complex problems in engineering. The vertical derivative of gravity can highlight the local anomalies and separate the horizontal superimposed abnormal bodies. The higher the order of the vertical derivati… Show more

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Cited by 2 publications
(5 citation statements)
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“…Por outro lado, outros autores (Zeng et al, 2015;Du & Zhang, 2021) deduzem a mesma expressão (Equação 33) utilizando uma abordagem diferente para obter a n-ésima derivada…”
Section: Enésima Derivada Vertical: Formulação De Zeng Et Al (2015)unclassified
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“…Por outro lado, outros autores (Zeng et al, 2015;Du & Zhang, 2021) deduzem a mesma expressão (Equação 33) utilizando uma abordagem diferente para obter a n-ésima derivada…”
Section: Enésima Derivada Vertical: Formulação De Zeng Et Al (2015)unclassified
“…Segundo Stickel (2010), este método é eficiente no processamento de dados irregularmente espaçados. Em alguns casos, a função VCG não distingue precisamente ruído de sinal (Du & Zhang, 2021), podendo comprometer a visualização do ponto de mínimo na curva VCG (Figura 6).…”
Section: Derivadas Regularizadasunclassified
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