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FWI

This repo contains some notes and codes about full waveform inversion.

Here is a note about adjoint equation based on elastic wave equation and least square objective function.

Idea

  • Using struct to describe velocity model, source and receiver information
  • Wavefield data and recorded data should be designed for multi-frequency and multi-sources directly
  • Input and output format should be vector. Corresponding to the discrete math form
  • Function should be treated as functional operator

Unit

  • Velocity: m/s
  • Density: kg/m^3
  • Sampling frequency: Fs (Hz)
  • Time: t (s)

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