Modal group time spreads in weakly range-dependent deep ocean environments.

  title={Modal group time spreads in weakly range-dependent deep ocean environments.},
  author={Ilya A. Udovydchenkov and Michael Greenberg Brown},
  journal={The Journal of the Acoustical Society of America},
  volume={123 1},
The temporal spread of modal group arrivals in weakly range-dependent deep ocean environments is considered. It is assumed that the range dependence is sufficiently weak that mode coupling is predominantly local in mode number. The phrase "modal group arrival" is taken here to mean the contribution to a transient wave field corresponding to a fixed mode number. There are three contributions to modal group time spreads which combine approximately in quadrature. These are the reciprocal bandwidth… CONTINUE READING

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