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The Oceanographic Systems Laboratory at Woods Hole Oceanographic Institution has developed a high resolution ultra short baseline acoustic navigation system to provide an accurate range and bearing estimates to an underwater transponder. The development focused on the utilization of wideband, coded signal which greatly improved the range and estimation in high multi-path environments, typically found in shallow water, near-surface, and most vehicle installations. This system was integrated into REMUS autonomous underwater vehicle (AUV) as a primary navigation system for homing, docking, or operating in narrow channels. Low powered coded transponders were also developed for complete, two-way, wideband signaling and multiple vehicle operations. |
