Below is a partial list of our publications. Click on the title to view its abstract.

Journal Publications

• Z. Gong, M. Andrews, S. Jagannathan, R. Patel, N.C. Makris, and P. Ratilal, "Lowfrequency target strength and abundance of shoaling Atlantic herring (Clupea harengus) in the Gulf of Maine during the Ocean Acoustic Waveguide Remote Sensing 2006 Experiment," J. Acoust. Soc. Am., Vol. 127, 104–123 (2010).
  
  
• M. Andrews, Z. Gong and P. Ratilal, "High-resolution population density imaging of random scatterers through cross-spectral coherence in matched filter variance," J. Acoust. Soc. Am. Vol. 126, 1057-1068 (2009).
  
  
• E. T. Kusel and P. Ratilal, "Effect of incident field refraction on scattered field from vertically extended cylindrical targets in range-dependent ocean waveguides," J. Acoust. Soc. Am. Vol 125, 1930-1936 (2009).
  
  
• N. Makris, P. Ratilal, S. Jagannathan, Z. Gong, M. Andrews, I. Bertsatos, O. Godoe, R. Nero, M. Jech, "Critical Population Density Triggers Rapid Formation of Vast Oceanic Fish Shoals," Science, Vol. 323, No. 5922, 1734-1737 (March 27, 2009).
  
  
• S. Jagannathan, I. Bersatos, D. Symonds, T. Chen, H. Nia, A. Jain, M. Andrews, Z. Gong, R. Nero, L. Ngor, M. Jech, O. Godo, S. Lee, P. Ratilal, and N. Makris, "Ocean acoustic waveguide remote sensing (OAWRS) of marine ecosystems," Invited paper, Mar. Ecol. Prog. Ser., Vol. 395, 137–160 (2009).
  
  
• M. Andrews, T. Chen and P. Ratilal, "Empirical dependence of acoustic transmission scintillation statistics on bandwidth, frequency and range in New Jersey continental shelf," J. Acoust. Soc. Am. 125, 111-124 (2009).
  
  
• T. Chen, P. Ratilal and N. C. Makris, "Temporal coherence after multiple forward scattering through random three-dimensional inhomogeneities in an ocean waveguide," J. Acoust. Soc. Am. 124, 2812-2822 (2008).
  
  
• A. Galinde, N. Donabed, M. Andrews, S. Lee, N. C. Makris and P. Ratilal, "Range-dependent waveguide scattering model calibrated for bottom reverberation in a continental shelf environments," J. Acoust. Soc. Am. 123, 1270-1281 (2008).
  
  
• P. Ratilal, M. Andrews, N. Donabed, A. Galinde, C. Rappaport and D. Fenneman, "Model for continuously scanning ultrasound vibrometer sensing displacements of randomly rough vibrating surfaces," J. Acoust. Soc. Am. 121, 863-878 (2007).
  
  
• N.C. Makris, P. Ratilal, D.T. Symonds, S. Jagannathan, S. Lee, and R. Nero, ''Fish Population and Behavior Revealed by Instantaneous Continental-Shelf-Scale Imaging,'' Science, Volume 311, 660-663 February 3, (2006).
  
  
• P. Ratilal and N.C. Makris, " Mean and covariance of the forward field propagated through a stratified ocean waveguide with three-dimensional random inhomogeneities," J. Acoust. Soc. Am. 118, 3532-3559 (2005).
  
  
• T. Chen, P. Ratilal and N.C. Makris, ''Mean and variance of the forward field propagated through three-dimensional random internal waves in a continental-shelf waveguide,'' J. Acoust. Soc. Am. 118, 3560-3574 (2005).
  
  
• P. Ratilal, Y. Lai, D.T. Symonds, L.A. Ruhlmann, J. Goff, C.W. Holland, J.R. Preston, E.K. Scheer, M.T. Garr and N.C. Makris, "Long range acoustic imaging of the Continental Shelf Environment: The Acoustic Clutter Reconnaisance Experiment 2001," J. Acoust. Soc. Am. 117, 1977-1998 (2005).
  
  
• P. Ratilal, Y. Lai and N.C. Makris, "Validity of the Sonar Equation and Babinet's Principle in a Stratified Medium," Journal of the Acoustical Society of America, Vol. 112, 1797-1816 (2002).
  
  
• A. Thode, M. Zanolin, E. Naftali, I. Ingram, P. Ratilal, and N. C. Makris, "Necessary conditions for a maximum likelihood estimate to become asymptotically unbiased and attain the Cramer-Rao lower bound. II. Range and depth localization of a sound source in an ocean waveguide," J. Acoust. Soc. Am., Vol. 112, 1890-1910 (2002).
  
  
• P. Ratilal and N.C. Makris, "Extinction theorem for object scattering in a stratified medium," Journal of the Acoustical Society of America, Vol. 110, 2924-2945 (2001).
  
  
• N.C. Makris and P. Ratilal, "A unified model for reverberation and submerged object scattering in a stratified ocean waveguide," Journal of the Acoustical Society of America, Vol. 108, 909-941 (2001).
  
  
• P. Ratilal, P. Gerstoft and J. T. Goh, "Subspace approach to inversion by genetic algorithms involving multiple frequencies," Journal of Computational Acoustics, Vol. 6, 99-115 (1998).
  
  
• P. Ratilal, P. Gerstoft, J.T. Goh and K.P. Yeo, "Inversion of pressure data on a vertical array to determine the seafloor geoacoustic properties," Journal of Computational Acoustics, Vol. 6, 269-289 (1998).

Conference Proceedings

• P. Ratilal, T. Chen and N.C. Makris,"Analytic mean and variance of forward propagated field through random internal waves and sub-bottom anomalies with Rayleigh-Born scattering," Proceedings of Pan Ocean Remote Sensing Conference (PORSEC), Concepcion, Chile, Nov. 2004.
  
  
• E. Livingston, D.T. Symonds, P. Ratilal, R.W. Nero, N.C. Makris,"Bioclutter and Geoclutter in shallow water," Proceedings of Pan Ocean Remote Sensing Conference (PORSEC), Concepcion, Chile, Nov. 2004.
  
  
• P. Ratilal and N. C. Makris, ''Coherent and diffuse scattering from schools of fish and the sea bottom in a stratified ocean waveguide,'' Proceedings of 18th International Congress on Acoustics, Kyoto, Apr. 2004.
  
  
• P. Ratilal, T. Chen and N. C. Makris, ''Mean and covariance of forward propagated field through a random oceanic waveguide,'' Proceedings of 18th International Congress on Acoustics, Kyoto, Apr. 2004. 5.N. Makris, P. Ratilal, Y. Lai, S. Lee and D. T. Symonds, ''Long range acoustic imaging of the continental shelf environment: The Acoustic Clutter Experiments,'' Proceedings of 18th International Congress on Acoustics, Kyoto, Apr. 2004.
  
  
• P. Ratilal and N. C. Makris, ''Extinction theorem for object scattering in a stratified medium,'' Proceedings of 17th International Congress on Acoustics, Rome Sep. 2001.
  
  
• N. C. Makris, P. Ratilal and Y. Lai, ''A unified model for reverberation and object scattering from both stationary and moving objects in a stratified ocean waveguide,'' Proceedings of 17th International Congress on Acoustics, Rome, Sep. 2001.
  
  
• P. Ratilal and N.C. Makris, ''A unified model for reverberation and submerged object scattering in a shallow water waveguide,'' Fifth European Conf. On Underwater Acoustics, Lyon France, Jul. 2000.
  
  
• A. Thode, E. Naftali, I. Ingram, P. Ratilal and N.C. Makris, ''Aysmptotic bias and variance of maximum likelihood range and depth estimates in an ocean waveguide,'' 5th European Conf. On Underwater Acoustics, Lyon France, Jul. 2000.
  
  
• H. T. Chee, P. Ratilal and R. A. Wagstaff, "Signal parameters that affect the performance of fluctuation-based Papers processors," Proc. UDT '98 Pacific Conference, Sydney, Feb. 1998.
  
  
• P. Ratilal, K. P. Yeo and J. T. Goh, "Enhanced detectability of Targets - effect of the sound speed profile structure on signal propagation and placement of sensors for signal detection," Proc. Naval Platform Technology Seminar, Singapore, Nov. 1997.
  
  
• P.B. Tong, C.S. Chia, L. Zhou, P. Ratilal, N.C. Makris, ''Generalized Synthetic Aperture Sonar in an Ocean Waveguide,'' Sixth European Conf. On Underwater Acoustics, Delft Netherlands, Jul. 2004.
  
  

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