首页|Derivation of instantaneous frequencies of tectonic plates from gravimetric data
Derivation of instantaneous frequencies of tectonic plates from gravimetric data
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? 2023 The Author(s)We present a mathematically rigorous procedure for obtaining spectrograms of tectonic plate eigenmodes at extremely low frequencies, corresponding to oscillation periods of 15 min to 8 h. The data is sourced from superconducting gravimeters of International Geodynamics and Earth Tide Service (IGETS) network. The motivation for this research stems from the proposal by Pavlov et al. to use this spectral data in monitoring of the state of active zones located along plate boundaries.
Empirical mode decompositionSeismogravitational oscillationsShort time Fourier transformTectonic plates
Ershova Y.Y.、Kiselev A.V.、Silva L.O.
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Department of Mathematics Texas A&M University College Station
Department of Mathematics University of Bath
Departamento de Física Matemática Instituto de Investigaciones en Matemáticas Aplicadas y en Sistemas Universidad Nacional Autónoma de México
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