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- Brett E. Bissinger, R. Lee Culver, Nirmal K. Bose
- 2009 43rd Annual Conference on Information…
- 2009

Source classification and localization in the underwater environment is a challenging problem in part because propagation through the space- and time-varying medium introduces uncertainty in the signal. Coupled with uncertainty in environmental parameters, this uncertainty in received signals leads to a statistical treatment. Minimum Hellinger Distance… (More)

- Colin W. Jemmott, R. Lee Culver, Brett E. Bissinger, Charles F. Gaumond
- 2010 44th Annual Conference on Information…
- 2010

Several passive sonar signal processing methods have previously been developed for determining the location of a source radiating tonal acoustic energy while moving through a shallow water environment. These localization algorithms rely on the complex interference pattern resulting from multipath acoustic propagation. By treating passive sonar localization… (More)

- R. Lee Culver, Colin W. Jemmott, Brett E. Bissinger, Alexander W. Sell, Andrew T. Pyzdek
- 2011 45th Annual Conference on Information…
- 2011

In the ocean, passive source tracking typically utilizes acoustic energy radiated by the target. Many scenarios of interest occur on the continental shelf where the water is shallow (depth is less than 200 m). Low acoustic frequencies (&#60;1 kHz) are more useful because they suffer less attenuation due to absorption. However, low frequency acoustic… (More)

We present a passive sonar tracking algorithm that utilizes variations in the amplitude of the signal received from a source in motion. The approach is model-based in that it employs an acoustic propagation computer program, and Bayesian in that prior knowledge is used to compute a posterior probability distribution function from which the target location… (More)

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