La Valencia Hotel, La Jolla, California

March 1-5, 2004




  Monday, March 1, 2004


  2:00-4:00      Registration




  Tuesday, March 2, 2004


  8:50-9:00      Opening Remarks



  9:00-10:45    Sediment Acoustics                                          Chair: Mohsen Badiey


Wave and material properties of marine sediments:  relationships for geoacoustic inversions  (M. Buckingham, MPL/SIO, UCSD – Invited Speaker)


Empirical predictions of seafloor properties based on remotely measured sediment impedance  (M. Richardson, NRL- Stennis,  K. Briggs )


Using buried directional receivers in high-frequency seafloor studies (J. Osler, Defence R&D Canada,  A. Lyons)


Geoacoustic inversion of broadband data from the Florida Straits (R. Chapman, University of Victoria,  Y. Jiang)


High-frequency rapid geo-acoustic characterization (K. Heaney, Lockheed Martin ORINCON)


10:45-11:15  Break


11:15-12:15    Ambient Noise                                                 Chair: Ross Chapman



High-frequency geoacoustic inversion of ambient noise data using a short arrays (M. Siderius, SAIC,  C. Harrison)


Mid to high-frequency ambient noise anisotropy and notch-filling mechanisms (P. Ferat, Johns Hopkins University/APL,  J. Arvelo)


Measurements and predictions of high frequency ambient noise (A. Holden, DSTL)


12:15-1:45 Lunch


1:45-3:30        Time-reversal Methods                                                Chair: William Hodgkiss


Ultrasonic time reversal mirrors (M. Fink, ESPCI – Invited Speaker)


Time reversal ocean acoustic experiments at 3.5 kHz: Applications to active sonar and undersea communications (H. Song, MPL/SIO-UCSD,  P. Roux, T. Akal, G. Edelmann, W. Higley, W. Hodgkiss, W. Kuperman, K. Raghukumar, M. Stevenson)


Time-reversal and spatial diversity: issues in a time-varying geometry test (S. Jesus, SiPLAB-FCT, University of Algarve,  A. Silva)


Acoustic communication using time-reversal signal processing: spatial and frequency diversity (D. Rouseff, APL-University of Washington, J. Flynn, J. Ritcey, W. Fox)


A high-frequency active underwater acoustic barrier experiment using a time reversal mirror; model-data comparison (A. Tesei, NATO Undersea Research Centre,   H. Song, P. Guerrini, P. Roux, W. Hodgkiss, T. Akal,  M. Stevenson, W. Kuperman)


3:30-4:00  Break


4:00-5:45        Underwater Acoustic Communications I         Chair: Milica Stojanovic




Iterative equalization and decoding in underwater acoustic channels  (J. Proakis, Northeastern University / UCSD - Invited Speaker)


Environmental and motion effects on orthogonal frequency division multiplex on-off key (P. Gendron, NRL,  T. Yang)


Environmental effects on phase coherent underwater acoustic communications:  a perspective from several experimental measurements (T. Yang, NRL)


The impact of underwater acoustic channel structure and dynamics on the performance of adaptive coherent equalizers (J. Preisig, WHOI)


High-frequency FH-FSK underwater acoustic communications:  the environmental effect and signal processing (W. Yang, NRL,  T. Yang)




   Wednesday, March 3, 2004


9:00-10:45      Boundary Interactions I                                  Chair: Mike Richardson




Progress and research issues in high-frequency seafloor scattering (D. Jackson, APL-University of Washington – Invited Speaker)


Modeling shallow water propagation with scattering from rough boundaries (E. Thorsos, APL-University of Washington,  F. Henyey, W. Elam, S. Reynolds, K. Williams)


Mid frequency sonar backscatter measurements from a rippled bottom (J.Lopes, NSWC,  R. Lim, K. Commander)


The dependence of long-range reverberation on bottom roughness (R. Gauss, NRL, D. Fromm, K. LePage, R. Gragg)


Environmental effects of waveguide uncertainty on coherent aspects of propagation, scattering and reverberation (K. LePage ,NRL,   B. McDonald)


10:45-11:15  Break

11:15-12:15    Underwater Acoustic Communications II        Chair: Jim Preisig




Spatio-temporal focusing for elimination of multipath effects in high rate acoustic communications (M. Stojanovic, MIT)


Synthetic undersea acoustic transmission channels (D. Green, Benthos,  J. Rice)


Underwater acoustic communication channel capacity: a simulation study (T. Hayward, NRL, T. Yang)


12:15-1:30  Lunch

1:30-3:15        Scattering                                                        Chair: Gary Heald




HF Doppler acoustic imaging of the ocean surface and interior (R. Pinkel, SIO-UCSD – Invited Speaker, J. Smith)


Mean and covariance of forward propagated field through a random oceanic waveguide (P. Ratilal, MIT,  T. Chen, N. Makris)


Detection of high-frequency sources in random/uncertain media (L. Sibul, ARL-Pennsylvania State University,  C. Coviello, M. Roan)


Long range acoustic imaging of the Continental Shelf environment: the acoustic clutter experiments (N. Makris, MIT,  P. Ratilal, Y. Lai, S. Lee, D. Symonds)


Modeling acoustic signal fluctuations induced by sea surface roughness (R. Heitsenrether, College of Marine Studies-University of Delaware,   M. Badiey)


3:15-3:45   Break

3:45-5:50        Marine Mammals                                            Chair: Angela D’Amico




The dolphin sonar: excellent capabilities in spite of some mediocre properties (W. Au, Hawaii Institute of Marine Biology – Invited Speaker)


Active sonar and the marine environment (E. Sevaldsen, FFI/NDRE,  P. Kvadsheim)


Acoustic propagation studies for sperm whale phonation analysis during LADC experiments (N. Sidorovskaia, University of Louisiana at Lafayette,  G. Ioup, J. Ioup, J. Caruthers)


Predicting the environmental impact of active sonar (A. Duncan, Center for Marine Science-Curtin University of Technology,   R. McCauley, A. Maggi)


Biomimetic target classification (A. Abawi, SAIC,  M. Porter, C. Tiemann, P. Hursky, S. Martin)


Underwater ambient noise and sperm whale click detection during extreme wind speed conditions (J. Newcomb, NRL-Stennis,  A. Wright, S. Kuczaj, R. Thames, W. Hillstrom, R. Goodman)


6:45  Cocktails and Banquet (La Sala and The Mediterranean Room)

Thursday, March 4, 2004




9:00-10:45      Boundary Interactions II                                 Chair: Grant Deane





Nonlinear bubble dynamics and the effects on propagation through the near-surface bubble layers  (T. Leighton, Institute of Sound and Vibration Research-University of Southampton – Invited Speaker)


On the relationship between signal bandwidth and correlation for surface forward scattered signals (L. Culver, ARL-University of Pennsylvania, D. Bradley)


The sea surface bounce channel: bubble-mediated energy loss and time/angle spreading (P. Dahl, APL-University of Washington)


The influence of the sea surface and fish on long-range reverberation (R. Gauss, NRL,  D. Fromm, K. LePage, J. Fialkowski, R.. Nero)


Numerical modeling of bottom scattering (R. Stephen, WHOI)


10:45-11:15  Break

11:15-12:35    Underwater Acoustic Communications III:  KauaiEx

            Chair: Dan Rouseff





The Kauai Experiment (M. Porter, SAIC,  P. Hursky, M. Siderius, M. Badiey, J. Caruthers, W. Hodgkiss, K. Raghukumar, D. Rouseff, W. Fox, C. de Moustier, B. Calder, B. Kraft, V. McDonald, P. Stein, J. Lewis, S. Rajan, The KauaiEx Group)


Telesonar testbed instrument provides a flexible platform for acoustic propagation and communication research in the 8-50kHz band (V. McDonald, SPAWARSYSCEN,  P. Hursky, The KauaiEx Group)


Comparing single and multi-carrier modulation schemes for underwater acoustic communications (P. Hursky, SAIC,  V. McDonald, The KauaiEx Group)


Impact of thermocline variability on underwater acoustic communications: results from KauaiEx  (M. Siderius, SAIC,  M. Porter, The KauaiEx Group)


12:35-2:00  Lunch

2:00-3:25        Target Modeling                                              Chair: Ahmad Abawi





Virtual source approach to scattering from partially buried elastic targets (H. Schmidt, Department of Ocean Engineering, MIT – Invited Speaker)


A finite-element tool for scattering from localized inhomogeneities and submerged elastic structures (M. Zampolli, NATO Undersea Research Centre,  D. Burnett, F. Jensen, A. Tesei, H. Schmidt, J. Blottman III)


High-frequency material-dependent scattering processes for tilted truncated cylindrical and disk-shaped targets (P. Marston, Department of Physics-Washington State University)


Towards a deterministic high frequency shallow water ray propagation model (L. Pautet, NATO Undersea Research Centre,  E. Pouliquen)


3:25-3:55  Break

3:55-5:55        Experiments and Measurement Techniques I

(Panama City)                                                 Chair: Eric Thorsos






Panama City 2003 broadband shallow-water acoustic coherence experiments (S. Stanic, NRL-Stennis,   E. Kennedy, D. Malley,  B. Brown, R. Meredith, R.. Fisher, H. Chandler, R. Ray, R. Goodman)


A high-speed, multi-channel data acquisition system (D. Malley, NRL-Stennis,  R. Brown, E. Kennedy, R. Meredith, H. Chandler, S. Stanic)


Panama City 2003 acoustic coherence experiments: environmental characterization (R. Meredith, NRL-Stennis,  R. Fisher, S. Stanic,  E. Kennedy, D. Malley, R. Brown,)


Broadband horizontal and vertical spatial coherence measurements (T. Ruppel, NRL-Stennis,  S. Stanic, G. Norton, R. Meredith, E. Kennedy, R. Goodman, M. Wilson)


Broadband temporal coherence results from the June 2003 Panama City coherence experiments (H. Chandler, NRL-Stennis,  S. Stanic, E. Kennedy, R. Meredith, R. Goodman)


Panama City 2003 acoustic coherence experiments: low frequency bottom penetration fluctuation measurements in a multi-path environment (R. Meredith, NRL-Stennis,  E. Kennedy, D. Malley, R. Fisher, R. Brown,  S. Stanic)


Friday, March 5, 2004




9:00-10:45      Systems and Applications                                Chair: Jack Ianniello




Navy applications of high-frequency acoustics  (H. Cox, Lockheed Martin ORINCON – Invited Speaker) 


Mid-frequency signal fluctuations and target localization (W. Hodgkiss, MPL/SIO-UCSD,  G. D’Spain, D. Ensberg)


Detection of direct-path arrivals for multi-narrowband sequences (3-30 kHz) in shallow water (A. Zoksimovski,Center for Coastal and Ocean Mapping-University of New Hampshire,  C. de Moustier)


High frequency propagation models: a comparison of performance in Brazilian shallow waters (A. Sousa, Brazilian Navy Research Institute,  A. Correa)


A new synthetic aperture sonar design with multipath mitigation  (M. Pinto, NATO Undersea Research Centre,  A. Bellettini, L. Wang, P. Munk, V. Myers, L. Pautet)


10:40-11:15  Break

11:15-12:55    Experiments and Measurement Techniques II

(KauaiEx and ElbaEx)                                                Chair: Lucie Pautet






Results from the Elba HF-2003 experiment (F. Jensen, NATO Undersea Research Centre, M. Porter, M. Siderius, V. McDonald, M. Badiey, D. Kilfoyle, L. Freitag)


Ocean variability on high-frequency acoustic propagation in KauaiEx  (M. Badiey, University of Delaware,   S. Forsythe, Mike Porter, The KauaiEx Group)


Side-scan sonar survey operations in support of KauaiEx (J. Caruthers, Department of Marine Sciences-University of Southern Mississippi,  E. Quiroz,  C. Fisher,, R. Meredith, N. Sidorovskaia, The KauaiEx Group)


High frequency tomography using bottom-mounted transducers (J. Lewis, Scientific Solutions,  P. Stein, S. Rajan, J. Rudzinsky, A. Vandiver, The KauaiEx Group)


Model-based tracking at high frequency (P. Hursky, SAIC,  M. Porter, The KauaiEx Group)



12:55-1:00 Closing Remarks


1:00-2:30  Lunch