Publications


Hopps-McDaniel, A. M., Neilsen, T. B., Knobles, D. P., Hodgkiss, W. S., Wilson, P. S., & Sagers, J. D. (2024). Deep sediment heterogeneity inferred using very low-frequency features from merchant ships. The Journal of the Acoustical Society of America, 156(4), 2265–2274. https://doi.org/10.1121/10.0030467
Saenger, R., Lenain, L., & Hodgkiss, W. S. (2024). Mid-frequency acoustic tracking of breaking waves. JASA Express Letters, 4(6), 066001. https://doi.org/10.1121/10.0026149
Knobles, D. P., Hodgkiss, W., Chaytor, J., Neilsen, T., & Lin, Y.-T. (2024). Feature-based maximum entropy for geophysical properties of the seabed. The Journal of the Acoustical Society of America, 155(6), 3559–3567. https://doi.org/10.1121/10.0026202
Knobles, D. P., Neilsen, T. B., Hodgkiss, W. S., & Goff, J. A. (2024). Inference of source signatures of merchant ships in shallow ocean environments. The Journal of the Acoustical Society of America, 155(5), 3144–3155. https://doi.org/10.1121/10.0025983
Bonnel, J., Dosso, S. E., Hodgkiss, W. S., Ballard, M. S., Garcia, D. D., Lee, K. M., McNeese, A. R., & Wilson, P. S. (2024). Trans-dimensional inversion for seafloor properties for three mud depocenters on the New England shelf under dynamical oceanographic conditions. The Journal of the Acoustical Society of America, 155(3), 1825–1839. https://doi.org/10.1121/10.0025176
Hefner, B. T., Tang, D., & Hodgkiss, W. S. (2024). The Impact of the Spatial Variability of the Seafloor on Midfrequency Sound Propagation During the Target and Reverberation Experiment 2013. IEEE Journal of Oceanic Engineering, 1–14. https://doi.org/10.1109/JOE.2024.3361968
Saenger, R., Lenain, L., & Hodgkiss, W. S. (2023). Mid-frequency acoustic localization of breaking waves. The Journal of the Acoustical Society of America, 154(4), 2564–2571. https://doi.org/10.1121/10.0021969
DeFilippis, J. P., Cornuelle, B. D., Lucas, A. J., Hodgkiss, W. S., Lenain, L., Kuperman, W. A., & Alford, M. H. (2023). Observations and simulations of caustic formation due to oceanographic fine structure. The Journal of the Acoustical Society of America, 154(3), 1372–1388. https://doi.org/10.1121/10.0020830
Dahl, P. H., Dall’Osto, D. R., & Hodgkiss, W. S. (2023). Active intensity vortex and stagnation point singularities in a shallow underwater waveguide. The Journal of the Acoustical Society of America, 154(3), 1482–1492. https://doi.org/10.1121/10.0020836
Johnson, J. J., Lin, Y.-T., Newhall, A. E., Gawarkiewicz, G. G., Knobles, D. P., Chaytor, J. D., & Hodgkiss, W. S. (2023). Acoustic ducting by shelf water streamers at the New England shelfbreak. JASA Express Letters, 3(8), 086001. https://doi.org/10.1121/10.0020348
Michalopoulou, Z. H., Gerstoft, P., Rios, D., & Hodgkiss, W. S. (2022). Tracking and Inversion Using Midfrequency Signals in the Seabed Characterization Experiment. Ieee Journal of Oceanic Engineering, 47(3), 657–669. https://doi.org/10.1109/Joe.2021.3122284
Gemba, K. L., Vazquez, H. J., Sarkar, J., Tippman, J. D., Cornuelle, B., Hodgkiss, W. S., & Kuperman, W. A. (2022). Moving source ocean acoustic tomography with uncertainty quantification using controlled source-tow observations. The Journal of the Acoustical Society of America, 151(2), 861–880. https://doi.org/10.1121/10.0009268
Knobles, D. P., Neilsen, T. B., Wilson, P. S., Hodgkiss, W. S., Bonnel, J., & Lin, Y. T. (2022). Maximum entropy inference of seabed properties using waveguide invariant features from surface ships. The Journal of the Acoustical Society of America, 151(5), 2885–2896. https://doi.org/10.1121/10.0010372
Tollefsen, D., Hodgkiss, W. S., Dosso, S. E., Bonnel, J., & Knobles, D. P. (2021). Probabilistic estimation of merchant ship source levels in an uncertain shallow-water environment. Ieee Journal of Oceanic Engineering, 10. https://doi.org/10.1109/joe.2021.3113506
Castro-Correa, J. A., Badiey, M., Neilsen, T. B., Knobles, D. P., & Hodgkiss, W. S. (2021). Impact of data augmentation on supervised learning for a moving mid-frequency source. Journal of the Acoustical Society of America, 150(5), 3914–3928. https://doi.org/10.1121/10.0007284
Gemba, K. L., Vazquez, H. J., Fialkowski, J., Edelmann, G. F., Dzieciuch, M. A., & Hodgkiss, W. S. (2021). A performance comparison between m-sequences and linear frequency-modulated sweeps for the estimation of travel-time with a moving source. Journal of the Acoustical Society of America, 150(4), 2613–2623. https://doi.org/10.1121/10.0006656
Escobar-Amado, C. D., Neilsen, T. B., Castro-Correa, J. A., Van Komen, D. F., Badiey, M., Knobles, D. P., & Hodgkiss, W. S. (2021). Seabed classification from merchant ship-radiated noise using a physics-based ensemble of deep learning algorithms. Journal of the Acoustical Society of America, 150(2), 1434–1447. https://doi.org/10.1121/10.0005936
Knobles, D. P., Wilson, P. S., Neilsen, T. B., & Hodgkiss, W. S. (2021). Influence of seabed on very low frequency sound recorded during passage of merchant ships on the New England shelf. Journal of the Acoustical Society of America, 149(5), 3294–3300. https://doi.org/10.1121/10.0004991
Van Komen, D. F., Neilsen, T. B., Mortenson, D. B., Acree, M. C., Knobles, D. P., Badiey, M., & Hodgkiss, W. S. (2021). Seabed type and source parameters predictions using ship spectrograms in convolutional neural networksa). Journal of the Acoustical Society of America, 149(2), 1198–1210. https://doi.org/10.1121/10.0003502
Richards, E. L., Song, H. C., & Hodgkiss, W. S. (2021). Observations of scatter from surface reflectors with Doppler sensitive probe signals. JASA Express Letters, 1(1), 016001. https://doi.org/10.1121/10.0003000
Neilsen, T. B., Escobar-Amado, C. D., Acree, M. C., Hodgkiss, W. S., Van Komen, D. F., Knobles, D. P., Badiey, M., & Castro-Correa, J. (2021). Learning location and seabed type from a moving mid-frequency sourcea). Journal of the Acoustical Society of America, 149(1), 692–705. https://doi.org/10.1121/10.0003361
Hefner, B. T., & Hodgkiss, W. S. (2019). Reverberation due to a moving, narrowband source in an ocean waveguide. Journal of the Acoustical Society of America, 146(3), 1661–1670. https://doi.org/10.1121/1.5126023
Nannuru, S., Gemba, K. L., Gerstoft, P., Hodgkiss, W. S., & Mecklenbrauker, C. F. (2019). Sparse Bayesian learning with multiple dictionaries. Signal Processing, 159, 159–170. https://doi.org/10.1016/j.sigpro.2019.02.003
Richards, E. L., Song, H. C., & Hodgkiss, W. S. (2018). Acoustic scattering comparison of Kirchhoff approximation to Rayleigh-Fourier method for sinusoidal surface waves at low grazing angles. Journal of the Acoustical Society of America, 144(3), 1269–1278. https://doi.org/10.1121/1.5052256
Yuan, Z., Richards, E. L., Song, H. C., Hodgkiss, W. S., & Yan, S. (2018). Calibration of vertical array tilt using snapping shrimp sound. The Journal of the Acoustical Society of America, 144(3), 1203–1210. https://doi.org/10.1121/1.5054089
Gemba, K. L., Sarkar, J., Cornuelle, B., Hodgkiss, W. S., & Kuperman, W. A. (2018). Estimating relative channel impulse responses from ships of opportunity in a shallow water environment. The Journal of the Acoustical Society of America, 144(3), 1231–1244. https://doi.org/10.1121/1.5052259
Verlinden, C. M. A., Sarkar, J., Hodgkiss, W. S., Kuperman, W. A., & Sabra, K. G. (2018). Passive acoustic tracking using a library of nearby sources of opportunity. Journal of the Acoustical Society of America, 143(2), 878–890. https://doi.org/10.1121/1.5022782
Song, H., Cho, C., Hodgkiss, W., Nam, S., Kim, S.-M., & Kim, B.-N. (2018). Underwater sound channel in the northeastern East China Sea. Ocean Engineering, 147, 370–374. https://doi.org/10.1016/j.oceaneng.2017.10.045
Tenorio-Halle, L., Thode, A. M., Sarkar, J., Verlinden, C., Tippmann, J., Hodgkiss, W. S., & Kuperman, W. A. (2017). A double-difference method for high-resolution acoustic tracking using a deep-water vertical array. Journal of the Acoustical Society of America, 142(6), 3474–3485. https://doi.org/10.1121/1.5014050
Gemba, K. L., Nannuru, S., Gerstoft, P., & Hodgkiss, W. S. (2017). Multi-frequency sparse Bayesian learning for robust matched field processing. Journal of the Acoustical Society of America, 141(5), 3411–3420. https://doi.org/10.1121/1.4983467
Das, A., Hodgkiss, W. S., & Gerstoft, P. (2017). Peer-reviewed technical communication-coherent multipath direction-of-arrival resolution using compressed sensing. Ieee Journal of Oceanic Engineering, 42(2), 494–505. https://doi.org/10.1109/joe.2016.2576198
Tollefsen, D., Gerstoft, P., & Hodgkiss, W. S. (2017). Multiple-array passive acoustic source localization in shallow water. Journal of the Acoustical Society of America, 141(3), 1501–1513. https://doi.org/10.1121/1.4976214
Gemba, K. L., Hodgkiss, W. S., & Gerstoft, P. (2017). Adaptive and compressive matched field processing. Journal of the Acoustical Society of America, 141(1), 92–103. https://doi.org/10.1121/1.4973528
Tippmann, J. D., Sarkar, J., Verlinden, C. M. A., Hodgkiss, W. S., & Kuperman, W. A. (2016). Toward ocean attenuation tomography: Determining acoustic volume attenuation coefficients in seawater using eigenray amplitudes. Journal of the Acoustical Society of America, 140(3), EL247–EL250. https://doi.org/10.1121/1.4962348
Cho, C., Song, H. C., & Hodgkiss, W. S. (2015). Robust source-range estimation using the array/waveguide invariant and a vertical array. The Journal of the Acoustical Society of America, 139(1), 63–69. https://doi.org/10.1121/1.4939121
Verlinden, C. M. A., Sarkar, J., Hodgkiss, W. S., Kuperman, W. A., & Sabra, K. G. (2015). Passive acoustic source localization using sources of opportunity. Journal of the Acoustical Society of America, 138(1), EL54–EL59. https://doi.org/10.1121/1.4922763
Song, H. C., & Hodgkiss, W. S. (2015). Self-synchronization and spatial diversity of passive time reversal communication. Journal of the Acoustical Society of America, 137(5), 2974–2977. https://doi.org/10.1121/1.4919324
Tan, B. A., Gerstoft, P., Yardim, C., & Hodgkiss, W. S. (2015). Change-point detection for recursive Bayesian geoacoustic inversions. Journal of the Acoustical Society of America, 137(4), 1962–1970. https://doi.org/10.1121/1.4916887
Tan, B. A., Gerstoft, P., Yardim, C., & Hodgkiss, W. S. (2014). Recursive Bayesian synthetic aperture geoacoustic inversion in the presence of motion dynamics. Journal of the Acoustical Society of America, 136(3), 1187–1198. https://doi.org/10.1121/1.4892788
Menon, R., Gerstoft, P., & Hodgkiss, W. S. (2014). On the apparent attenuation in the spatial coherence estimated fromseismic arrays. Journal of Geophysical Research-Solid Earth, 119(4), 3115–3132. https://doi.org/10.1002/2013jb010835
Yardim, C., Gerstoft, P., Hodgkiss, W. S., & Traer, J. (2014). Compressive geoacoustic inversion using ambient noise. Journal of the Acoustical Society of America, 135(3), 1245–1255. https://doi.org/10.1121/1.4864792
Carriere, O., Gerstoft, P., & Hodgkiss, W. S. (2014). Spatial filtering in ambient noise interferometry. Journal of the Acoustical Society of America, 135(3), 1186–1196. https://doi.org/10.1121/1.4863658
Karimian, A., Yardim, C., Haack, T., Gerstoft, P., Hodgkiss, W. S., & Rogers, T. (2013). Toward the assimilation of the atmospheric surface layer using numerical weather prediction and radar clutter observations. Journal of Applied Meteorology and Climatology, 52(10), 2345–2355.
Fried, S. E., Walker, S. C., Hodgkiss, W. S., & Kuperman, W. A. (2013). Measuring the effect of ambient noise directionality and split-beam processing on the convergence of the cross-correlation function. Journal of the Acoustical Society of America, 134(3), 1824–1832. https://doi.org/10.1121/1.4816490
Song, H. C., & Hodgkiss, W. S. (2013). Efficient use of bandwidth for underwater acoustic communication. Journal of the Acoustical Society of America, 134(2), 905–908. https://doi.org/10.1121/1.4812762
Tan, B. A., Gerstoft, P., Yardim, C., & Hodgkiss, W. S. (2013). Broadband synthetic aperture geoacoustic inversion. Journal of the Acoustical Society of America, 134(1), 312–322. https://doi.org/10.1121/1.4807567
Menon, R., Gerstoft, P., & Hodgkiss, W. S. (2013). Effect of Medium Attenuation on the Asymptotic Eigenvalues of Noise Covariance Matrices. IEEE Signal Processing Letters, 20(5), 435–438. https://doi.org/10.1109/lsp.2013.2250500
Caglar Yardim, Peter Gerstoft, & William S. Hodgkiss. (2013). Particle smoothers in sequential geoacoustic inversion. The Journal of the Acoustical Society of America, 134(2), 971–981.
Roux, P., Kuperman, W. A., Cornuelle, B. D., Aulanier, F., Hodgkiss, W. S., & Song, H. C. (2013). Analyzing sound speed fluctuations in shallow water from group-velocity versus phase-velocity data representation. Journal of the Acoustical Society of America, 133(4), 1945–1952. https://doi.org/10.1121/1.4792354
Lani, S. W., Sabra, K. G., Hodgkiss, W. S., Kuperman, W. A., & Roux, P. (2013). Coherent processing of shipping noise for ocean monitoring. Journal of the Acoustical Society of America, 133(2), EL108–EL113. https://doi.org/10.1121/1.4776775