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Telesonar
Telesonar is undersea acoustic signaling between autonomous devices in littoral environments at ranges up to 10 km providing reliable 1-10,000 bit/s bidirectional links with transmission security using minimal battery energy enabling low-cost ($1k/modem) networks for distributed undersea C4ISR |
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Seismo-Acoustic Sonar
Elliptical motion source composed of two orthogonal electromagnetic shakers. By use of an elliptical motion source, one can selectively excite the desired seimo-acoustic interface wave for mine detection. |
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Fundamental Acoustics and Fluid Dynamics
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Parametric Excitation of Sound
Established feasibility of attaining high amplitudes of sound for possible use in thermoacoustic refrigerators, acoustic compressors, acoustic pumps, and intense underwater sources of sound. Thesis: P. Varnadore (June, 2001).
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Sinking a Floating Body with Bubbles
Predicted and measured the density of bubbles required to sink a floating body. Applications include sinking of ships with methane mined from ocean floor. Theses: L. Pringle (June, 2000) and C. DeGrace (December, 2000).
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Underwater Acoustic Propagation Modeling
Applications to active reverberation, passive transient localization, acoustic communications, and general sonar performance predictions.
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