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Long-Range Acoustical Positioning System on Continental Shelf Regions
Detailed Technology Description
This technology provides a method and a system for determining the position and velocity of an object moving under the surface of water in coastal areas using low frequency acoustical signals. Unlike electromagnetic waves, sound signals can propagate in water with relatively small attenuation, depending on the frequency, and are therefore an effective means of carrying information in this environment. The proposed technology operates effectively over a wide range in shallow water, with the potential for transmission over 2500 square kilometers and more. A prototype has been developed and tested for accurate underwater position information.
Countries
United States
Application No.
Patent Pending
Country/Region
USA
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