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Hydroacoustics
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Publications

Underwater Acoustics

2023

M. C. Mortenson, T. B. Neilsen, M. K. Transtrum, and D. P. Knobles, “Accurate broadband gradient estimates enable local sensitivity analysis of ocean acoustic models,” Journal of Theoretical and Computational Acoustics (2022). DOI: 10.1142/S2591728522500153

C. V. Vongsawad, A. H. Bennion, S. P. Hollingsworth‡, K. N. Terry‡, C. E. Dobbs, G. H. Fronk, and T. B. Neilsen, “Mentored student research: A case study evaluation of benefits and best practices,” J. Acoust. Soc. Am. 152(4) 2054-2072 (2022). (Special Issue on Education in Acoustics) DOI: 10.1121/10.0014348

J. A. Castro-Correa, S. A. Arnett, T. B. Neilsen, L. Wan, and M. Badiey. "Supervised Classification of Sound Speed Profiles Via Dictionary Learning", Journal of Atmospheric and Oceanic Technology 40, 99-112 (2023). DOI: 10.1175/JTECH-D-21-0090.1

G. E. Lau, T. B. Neilsen, D. P. Knobles, W. S. Hodgkiss, “Seabed Classification with ResNet-18 Using Multichannel Ship Noise Spectrograms,” Submitted to IEEE Journal of Oceanic Engineering, May 2023

2022

D. F. Van Komen, K. Howarth, T. B. Neilsen, D. P. Knobles and P. H. Dahl, "A CNN for Range and Seabed Estimation on Normalized and Extracted Time-Series Impulses," IEEE J. Ocean. Eng. 47(3) 833-846 (2022). DOI: 10.1109/JOE.2021.3134719

K. Howarth, T. B. Neilsen, D. F. Van Komen, D. P. Knobles, "Seabed Classification Using a Convolutional Neural Network on Explosive Sounds," IEEE J. Ocean. Eng. 47(3) 670-679 (2022). DOI: 10.1109/JOE.2021.3110322

D. P. Knobles, T. B. Neilsen, P. S. Wilson, W. S. Hodgkiss, J. Bonnel, and Y. T. Lin. "Maximum entropy inference of seabed properties using waveguide invariant features from surface ships." J. Acoust. Soc. Am. 151(5) 2885-2896 (2022). DOI: 10.1121/10.0010372

D. P. Knobles, C. D. Escobar-Amado, M. J. Buckingham, W. S. Hodgkiss, P. S. Wilson, T. B. Neilsen, J. Yang, M. Badiey, “Statistical Inference of Sound Speed and Attenuation Dispersion of a Fine-Grained Marine Sediment,” IEEE J. Ocean. Eng. 47(3) 553-564 (2022). DOI: 10.1109/JOE.2021.3091846

2021

C. D. Escobar-Amado, T. B. Neilsen, J. A. Castro-Correa, D. F. Van Komen, M. Badiey, D. P. Knobles, and W. S. Hodgkiss, “Seabed classification from merchant ship-radiated noise using a physics-based ensemble of deep learning algorithms,” J. Acoust. Soc. Am. 150(2), 1434-1447 (2021). DOI: 10.1121/10.0005936

D. J. Forman, Tracianne B. Neilsen, D. F. Van Komen, D. P. Knobles, “Validating deep learning seabed classification via acoustic similarity,” JASA Express Letters, 1(4), 040802 (2021). DOI: 10.1121/10.0004138

D. F. Van Komen, T. B. Neilsen, D. B. Mortenson, M. C. Acree, D. P. Knobles, M. Badiey, W. S. Hodgkiss, “Seabed type and source parameters predictions using ship spectrograms in convolutional neural networks.,” J. Acoust. Soc. Am. 149, 1198-1210 (2021). (Special Issue on Machine Learning) DOI: 10.1121/10.0003502

T. B. Neilsen, C. D. Escobar-Amado, M. C. Acree, W. S. Hodgkiss, D. F. Van Komen, D. P. Knobles, M. Badiey, J. Castro-Correa, “Learning location and seabed type from a moving mid-frequency source,” J. Acoust. Soc. Am. 149, 692-705 (2021). DOI: 10.1121/10.0003361

J. A. Castro-Correa, M. Badiey, T. B. Neilsen, D. P. Knobles, W. S. Hodgkiss, “Impact of data augmentation on supervised learning for a moving mid-frequency source,” J. Acoust. Soc. Am. 150, 3914-3928 (2021). DOI: 10.1121/10.0007284

D. P. Knobles, P. S. Wilson, T. B. Neilsen, and W. S. Hodgkiss, “Influence of seabed on very low frequency sound recorded during passage of merchant ships on the New England shelf,” J. Acoust. Soc. Am. 149(5), 3294-3300 (2021). DOI: 10.1121/10.0004991

2020

D. F. Van Komen, T. B. Neilsen, K. Howarth, D. P. Knobles, P. H. Dahl, “Seabed and range estimation of impulsive time series using a convolutional neural network,” J. Acoust. Soc. Am. 147, EL409-EL414 (2020). DOI: 10.1121/10.0001216

2006

M. J. Isakson and T. B. Neilsen, “The viability of reflection loss measurement inversion to predict broadband acoustic behavior,” J. Acoust. Soc. Am. 120, 135-144 (2006).

M. Isakson and T. Neilsen, “A comparison of elastic and poro-elastic models for inversions of reflection loss measurements of a smooth water/sand interface at high frequencies,” in Acoustic Inversion Methods and Experiments for the Assessment of the Shallow Water Environment. Dordrecht: Kluwer Academic Publish. 2006.

2005

T. B. Neilsen, “Localization of multiple acoustic sources in the shallow ocean,” J. Acoust. Soc. Am. 118, 2944-2953 (2005)

2003

T. B. Neilsen and D. P. Knobles, “Geoacoustic inversion of range-dependent data with added Gaussian noise,” IEEE J. Ocean. Eng. 28, 446-453 (2003).

T. B. Neilsen, “An iterative implementation of rotated coordinates for inverse problems,” J. Acoust. Soc. Am. 113, 2574-2586 (2003).

2002

T. B. Neilsen and E. K. Westwood, “Extraction of acoustic normal mode depth functions using vertical line array data,” J. Acoust. Soc. Am. 111, 748 - 756 (2002).

Education

2022

J. K. Whiting, M. L. Berardi, A.B. Vaughn, C. T. Vongsawad, T. B. Neilsen, B. E. Anderson, and K. L. Gee. "Sounds to astound: An acoustics outreach show." J. Acoust. Soc. Am. 152(2) 835-850(2022). DOI: 10.1121/10.0013010

M. F. Garate, C. K. Chandler‡, A. H. Bennion, C. Snelgrove, T. B. Neilsen, “Making the Physics of Energy and Climate Accessible to All,” Accepted to The Physics Teacher December 2022.

2018

T. B. Neilsen and C. B. Goates†, “Pre-class exposure to interactive simulations increases efficacy,” Proc. Mtgs. Acoust 33, 025002 (2018). DOI: 10.1121/2.0000833

2017

T. B. Neilsen, “How understanding and addressing the concerns of women students benefits all students,” Proc. Mtgs. Acoust. 30, 025004 (2017). (Invited) DOI:10.1121/2.0000586

K. Smith, T. B. Neilsen, J. Grimshaw, “Full-day Noise Exposure for student musicians at Brigham Young University,” Proceedings of Meetings on Acoustics 30, 035002 (2017). DOI:10.1121/2.0000568

2016

C. B. Goates, J. K. Whiting, M. L. Berardi, K. L. Gee, and T. B. Neilsen, "The sound of STEAM: Acoustics as the bridge between the arts and STEM," Proc. Mtgs Acoust. 26, 025002 (2016). http://doi.org/10.1121/2.0000475

2015

B. M. Harker, T. B. Neilsen, K. L. Gee, J. K. Whiting, M. L. Berardi, and M. F. Calton, “@BYUAcoustics
and @SoundstoAstound: Using social media to enhance research and outreach at Brigham Young University,” Proc. Mtgs. Acoust. 23, 025002 (2015). DOI:10.1121/2.0000082

2012

T. B. Neilsen, W. J. Strong, B. E. Anderson, K. L. Gee, S. D. Sommerfeldt, and T W. Leishman, “Creating an active-learning environment in an introductory acoustics course”, J. Acoust. Soc. Am. 131, 2500-2509 (2012).

T. B. Neilsen and K. L. Gee, “Use of a Just-In-Time Teaching techniques in an introductory acoustics class,” Proc. Mtgs. Acoust. 18, 025001 (2012).

T. B. Neilsen and K. L. Gee, “Application of active-learning techniques to enhance student-based learning objectives,” Proc. Mtgs. Acoust. 14, 025001 (2012).

2009

T. B. Neilsen, K. L. Gee, and M. D. Gardner‡, “Near-field acoustic holography in conical coordinates,” Proc. Mtgs. Acoust. 6, 065004 (2009).