S C Walker

Summary

Affiliation: University of California
Country: USA

Publications

  1. doi request reprint Using Fisher information to quantify uncertainty in environmental parameters estimated from correlated ambient noise
    Shane C Walker
    Marine Physical Laboratory, Scripps Institution of Oceanography, La Jolla, California 92093 0238, USA
    J Acoust Soc Am 133:EL228-34. 2013
  2. doi request reprint A model for spatial coherence from directive ambient noise in attenuating, dispersive media
    Shane C Walker
    Marine Physical Laboratory of the Scripps Institution of Oceanography, University of California San Diego, La Jolla, California 92093 0238, USA
    J Acoust Soc Am 132:EL15-21. 2012
  3. pmc A model for the spatial coherence of arbitrarily directive noise in the depth-stratified ocean
    Shane C Walker
    Marine Physical Laboratory, Scripps Institution of Oceanography, University of California, San Diego, La Jolla, California 92093 0238, USA
    J Acoust Soc Am 131:EL388-94. 2012
  4. doi request reprint Coherence and interference in diffuse noise: on the information and statistics associated with spatial wave correlations in directional noise fields
    S C Walker
    Marine Physical Laboratory of the Scripps Institution of Oceanography, University of California San Diego, La Jolla, California 92093 0238, USA
    J Acoust Soc Am 131:1987-98. 2012
  5. doi request reprint Synchronized time-reversal focusing with application to remote imaging from a distant virtual source array
    S C Walker
    Marine Physical Laboratory of the Scripps Institution of Oceanography, University of California San Diego, La Jolla, California 92093 0238, USA
    J Acoust Soc Am 125:3828-34. 2009
  6. ncbi request reprint Cherenkov-Vavilov formulation of X waves
    S C Walker
    Marine Physical Laboratory of the Scripps Institution of Oceanography, University of California San Diego, La Jolla, California 92093 0238, USA
    Phys Rev Lett 99:244802. 2007
  7. ncbi request reprint Modal Doppler theory of an arbitrarily accelerating continuous-wave source applied to mode extraction in the oceanic waveguide
    S C Walker
    Marine Physical Laboratory, University of California, San Diego, Scripps Institution of Oceanography, La Jolla, California 92038, USA
    J Acoust Soc Am 122:1426. 2007
  8. doi request reprint Localization of a small change in a multiple scattering environment without modeling of the actual medium
    S T Rakotonarivo
    Scripps Institution of Oceanography, University of California San Diego, 9500 Gilman Drive, La Jolla, California 92093 0923, USA
    J Acoust Soc Am 130:3566-73. 2011

Detail Information

Publications8

  1. doi request reprint Using Fisher information to quantify uncertainty in environmental parameters estimated from correlated ambient noise
    Shane C Walker
    Marine Physical Laboratory, Scripps Institution of Oceanography, La Jolla, California 92093 0238, USA
    J Acoust Soc Am 133:EL228-34. 2013
    ..The influences of record length, bandwidth, signal-to-noise, and spatial resolution are discussed...
  2. doi request reprint A model for spatial coherence from directive ambient noise in attenuating, dispersive media
    Shane C Walker
    Marine Physical Laboratory of the Scripps Institution of Oceanography, University of California San Diego, La Jolla, California 92093 0238, USA
    J Acoust Soc Am 132:EL15-21. 2012
    ..e., volume) and distant (i.e., plane wave) source features in an open, dispersive, attenuating medium...
  3. pmc A model for the spatial coherence of arbitrarily directive noise in the depth-stratified ocean
    Shane C Walker
    Marine Physical Laboratory, Scripps Institution of Oceanography, University of California, San Diego, La Jolla, California 92093 0238, USA
    J Acoust Soc Am 131:EL388-94. 2012
    ..As an analytic approach, the model can serve as a computationally light complement to existing methods...
  4. doi request reprint Coherence and interference in diffuse noise: on the information and statistics associated with spatial wave correlations in directional noise fields
    S C Walker
    Marine Physical Laboratory of the Scripps Institution of Oceanography, University of California San Diego, La Jolla, California 92093 0238, USA
    J Acoust Soc Am 131:1987-98. 2012
    ..Practical experimental implications of these results are discussed...
  5. doi request reprint Synchronized time-reversal focusing with application to remote imaging from a distant virtual source array
    S C Walker
    Marine Physical Laboratory of the Scripps Institution of Oceanography, University of California San Diego, La Jolla, California 92093 0238, USA
    J Acoust Soc Am 125:3828-34. 2009
    ..Possible applications are discussed, and simulation and experimental results are presented...
  6. ncbi request reprint Cherenkov-Vavilov formulation of X waves
    S C Walker
    Marine Physical Laboratory of the Scripps Institution of Oceanography, University of California San Diego, La Jolla, California 92093 0238, USA
    Phys Rev Lett 99:244802. 2007
    ..As a consequence, X waves cannot propagate a signal faster than the speed of waves, and thus necessarily obey the law on the finiteness of information transfer...
  7. ncbi request reprint Modal Doppler theory of an arbitrarily accelerating continuous-wave source applied to mode extraction in the oceanic waveguide
    S C Walker
    Marine Physical Laboratory, University of California, San Diego, Scripps Institution of Oceanography, La Jolla, California 92038, USA
    J Acoust Soc Am 122:1426. 2007
    ..The mode extraction method and compensation technique are applied to simulation and ocean data...
  8. doi request reprint Localization of a small change in a multiple scattering environment without modeling of the actual medium
    S T Rakotonarivo
    Scripps Institution of Oceanography, University of California San Diego, 9500 Gilman Drive, La Jolla, California 92093 0923, USA
    J Acoust Soc Am 130:3566-73. 2011
    ..5 to 1 cm) for cm-scale scatterers in a scattering medium with a size two to five times bigger than its transport mean free path...