Multiscale-combined seismic waveform inversion using orthogonal wavelet transform

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Multiscale-combined seismic waveform inversion using orthogonal wavelet transform

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A method of multiscale-combined inversion (MCI) using the orthogonal wavelet transform is applied to an inverse seismic waveform based on the convolutional model. MCI is a promising method because of its low dependence on the initial model, convergence efficiency and robustness. Numerical results show the effectiveness and potential of the method.

Inspec keywords: waveform analysis; seismology; wavelet transforms; geophysical signal processing

Other keywords: MCI; robustness; inverse seismic waveform; convergence efficiency; orthogonal wavelet transform; convolutional model; multiscale-combined inversion

Subjects: Seismology; Geophysics computing; Signal processing and detection; Digital signal processing; Integral transforms in numerical analysis; Integral transforms in numerical analysis; Data and information; acquisition, processing, storage and dissemination in geophysics; Numerical approximation and analysis

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