Corpus ID: 214728283

Wavefield Reconstruction Inversion: an example

@article{Symes2020WavefieldRI,
  title={Wavefield Reconstruction Inversion: an example},
  author={William. W. Symes},
  journal={arXiv: Optimization and Control},
  year={2020}
}
  • William. W. Symes
  • Published 2020
  • Mathematics
  • arXiv: Optimization and Control
  • Full waveform inversion, or nonlinear least squares data-fitting driven by wave equation simulation, has proven its ability toextract detailed maps of earth structure from near-surface seismic observations. However, the least squares error function at the heart of this method tends to develop a high degree of nonconvexity, so that local optimization methods (the only numerical methods feasible for field-scale problems) tend to fail, unless provided with initial estimates of a quality not always… CONTINUE READING

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