A. S. Gupta and E. Hawk, “Delay spread estimation in shallow water acoustic channels using masked channel subspaces," OCEANS 2017 - Aberdeen, Aberdeen, 2017, pp. 1-5, doi: 10.1109/OCEANSE.2017.8084985.
Q. Jin, A. S. Gupta, M. Kapo, E. Hawk and J. S. Halekas, “Autonomous Detection and Disambiguation of Martian Ion Trails Using Geometric Signal Processing Techniques," ICASSP 2019 - 2019 IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP), Brighton, United Kingdom, 2019, pp. 2312-2316, doi: 10.1109/ICASSP.2019.8683101.
R. A. McCarthy, A. Sen Gupta and E. Hawk, “Support-Constrained Mixed-Norm Optimization Techniques for Estimating Multipath Activity in Shallow Water Acoustic Channels," in IEEE Journal of Oceanic Engineering, vol. 45, no. 3, pp. 683-698, July 2020, doi: 10.1109/JOE.2020.2980154.
