Northeastern University
Department of Electrical Engineering
409 Dana Research Center
Boston, MA 02115
Lab: (617) 373-4874
Laboratory for Acoustics and Remote Sensing
Email: andrews.mar@neu.edu
Mark Andrews
Research Assistant
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Northeastern University Department of Electrical Engineering 409 Dana Research Center Boston, MA 02115 Lab: (617) 373-4874 Laboratory for Acoustics and Remote Sensing Email: andrews.mar@neu.edu |
Research Interests
Acoustic and electromagnetic wave propagation and scattering
Ocean acoustics modeling and simulation of broadband wave propagation through stochastic environments
Sonar imagery and multiple scattering effects imaged with the matched filter for randomly distributed scatterer groups including schools of fish.
Ocean acoustics wide area sonar imagery in shallow water Continental shelf environments applied to imaging large fish shoals
Education and Academic Honors
ONR Graduate Traineeship award in Ocean acoustics
Pursuing a PhD in Electrical Engineering at Northeastern University
BSEE from SUNY Buffalo received in June 2001 with minor in Computer Science; Graduated Suma Cum Laude
NASA space fellowship award winner for laser research (2000)
Journal Publications
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)
M. Andrews, Z. Gong, and P. Ratilal, “High-resolution population density imaging of random scatterers with the matched filtered scattered field variance”, J. Acoust. Soc. Am. 126 1057-1068 (2009)
N. Makris, P. Ratilal, S. Jagannathan, Z. Gong, M. Andrews, I. Bertsatos, O. R. Godo, R. W. Nero, J. M. Jech, “Critical Population Density Triggers Rapid Formation of Vast Oceanic Fish Shoals”, Science 323 1734-1737 (2009)
Z. Gong, M. Andrews, S. Jagannathan, R. Patel, J. M. Jech, N. C. Makris, and P. Ratilal, “Low-frequency target strength and abundance of shoaling Atlantic herring (Clupea Harengus) in the Gulf of Maine during the Ocean Acoustic Waveguide Remote Sensing (OAWRS) 2006 Experiment”, J. Acoust. Soc. Am., accepted for publication
S. Jagannathan, D. Symonds, I. Bertsatos, T. Chen, M. Andrews, Z. Gong, N. Donabed, H. Nia, A. Tan, L. Ngor, R. W. Nero, J. M. Jech, O. R. Godoe, S. Lee, P. Ratilal, and N. C. Makris, “Ocean Acoustic Waveguide Remote Sensing (OAWRS) of Marine Ecosystems”, Mar. Ecol. Prog. Ser., accepted for publication
A. Galinde, N. Donabed, M. Andrews, S. Lee, N. Makris, and P. Ratilal, “Range-dependent waveguide scattering model calibrated for bottom reverberation in a continental shelf environment”, J. Acoust. Soc. Am. 123 1270-1281 (2008)
P. Ratilal, M. Andrews, N. Donabed, A. Galinde, C. Rappaport, and D. Fenneman, “Performance of the Continuously Scanning Ultrasound Vibrometer for Sensing Displacements of Randomly Rough Vibrating Surfaces”, J. Acoust. Soc. Am. 121 863-878 (2007)
Conference Presentations
M. Andrews, "Effects of multiple scattering and modal dispersion on population density imagery of Atlantic herring shoals with ocean acoustic waveguide remote sensing (OAWRS)", J. Acoust. Soc. Am. Invited Talk (San Antonio 2009)
M. Andrews, Duong Tran, Hari Chauhan, and P. Ratilal, "Empirical dependence of acoustic transmission scintillation statistics on bandwidth, frequency, and range in the Gulf of Maine", J. Acoust. Soc. Am. (San Antonio 2009)
M. Andrews and P. Ratilal, "Theoretical models for imaging distributed fish groups in an ocean waveguide with wide-area sonar including multiple scattering", J. Acoust. Soc. Am. (Portland 2009)
M. Andrews, Z. Gong, D. Coccuzzo, and P. Ratilal, "High-resolution population density imaging of random scatterers through cross-spectral coherence in matched filter variance", J. Acoust. Soc. Am. (Paris 2008)
D. Cocuzzo, Z. Gong, M. Andrews, I. Bertsatos, T. Chen, H. Pena, T. Weber, N. Makris, and P. Ratilal, "Depth-dependent resonant target strength analysis of a dense Atlantic Herring school from wide-area OAWRS and localized 3D morphology sensing", J. Acoust. Soc. Am. (Paris 2008)
M. Andrews, Z. Gong, D. Cocuzzo, and P. Ratilal, "High-resolution population density imaging of random scatterers through cross-spectral coherence in matched filter variance", Progress in Electromagnetics Research Symposium (PIERS), (Cambridge 2008)
P. Ratilal, M. Andrews, A. Galinde, and N. Makris, "Calibration of source level, expected transmitted power, and reverberation for long-range sonar in fluctuating range-dependent ocean waveguides", J. Acoust. Soc. Am. (Salt Lake City 2007)
M. Andrews, T. Chen, S. Lee, N. Makris, and P. Ratilal, "Statistics of the Parseval sum, match filter, and instantaneous single-frequency transmissions in an ocean waveguide", J. Acoust. Soc. Am. (Honolulu 2006)
A. Galinde, M. Andrews, N. Donabed, C. Rappaport, D. Fenneman, and P. Ratilal, "Performance of the scanning ultrasound vibrometer for sensing displacements of a randomly rough vibrating surface", J. Acoust. Soc. Am. (Providence 2006)
Work Experience
June 2005 – Present
Process and analyze long-range sonar data collected during the Main Acoustic Clutter Experiment (MAE) of 2003 to determine experimentally the statistics of transmitted and scattered data.
Model broadband acoustic propagation using parabolic equation and normal modes in a shallow water waveguide to examine the degradation in the match-filter output for transmission loss and scattered fields from objects.
Developed a full-field model to simulate the performance of an ultrasound vibrometer scanning over a randomly rough surface as applied to acoustic land-mine confirmation sensing.
September 2004 – May 2005
Taught Students transmission line and basic antenna theory
Guided students through laboratory experiments using network analyzer, spectrum analyzer, function generator, and quarter-wave monopole antennas.
Designed new experiments to modernize microwave laboratory techniques and enhance the use of the network analyzer
Graded Laboratory Reports, homeworks and maintained students' grades
August 2001 – July 2004
Extensive experience with Bragg gratings and volume holography
Development of holographic beam combiner for fiber amplifiers and dense wave division multiplexing applications
Constructed prototype five holographic beam combiner (HBC) of 980nm laser diodes for Erbium doped fiber amplifiers