Signal processing for the 1992 barents sea tomography experiment

• Main Author: McLaughlin, Philip G.
• Other Authors: Miller, James H., Chiu, Ching-Sang, Naval Postgraduate School, Engineering Acoustics, Electrical Engineering
• Format: Thesis
• Language: English
• Published: Monterey, California. Naval Postgraduate School 1993
• Subjects: Barents Sea
• Online Access: https://hdl.handle.net/10945/27263

In August 1992, an acoustic tomography experiment was conducted in the Barents Sea. The objective of this thesis is the development of space-time signal processing algorithms to extract the arrival times of rays and modes for that experiment. The temporal signal processing involves pulse compression of the phase-encoded signal. Spatial signal processing consists of plane wave and modal beamforming on data fram a 16 element vertical line array. After signal processing an arrival detection, identification, and tracking algorithm is used to obtain travel time and travel time error estimates. After development and testing of these algorithms, 13 hours of acoustic data was processed for rays and eight hours of data was processed for modes. The resultant travel time information is then available for inversion to sound speed maps Approved for public release; distribution is unlimited. Lieutenant, United States Navy http://archive.org/details/signalprocessing1094527263