Imaging in Randomly Layered Media by Cross-Correlating Noisy Signals

  title={Imaging in Randomly Layered Media by Cross-Correlating Noisy Signals},
  author={Josselin Garnier},
  journal={Multiscale Modeling & Simulation},
We consider an active source embedded in a randomly layered medium. We study the cross-correlation functions of the signals recorded at a series of points located at the surface. We show that this information can be processed to locate the source inside the medium. The analysis is based on a separation of scales technique and limit theorems for random differential equations. The statistical stability of the imaging method is proved. The analogy with the time-reversal of waves is enlightened… CONTINUE READING
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