A short baseline (SBL) acoustic positioning system is one of three broad classes of underwater acoustic positioning systems that are used to track underwater...

USBL (ultra-short baseline, also known as SSBL for super short base line) is a method of underwater acoustic positioning. A USBL system consists of a...

A long baseline (LBL) acoustic positioning system is one of three broad classes of underwater acoustic positioning systems that are used to track underwater...

acoustic positioning system, this is an example of a long baseline (LBL) positioning system for ROV Baseline station deployment and survey Acoustic positioning...

An acoustic doppler current profiler (ADCP) is a hydroacoustic current meter similar to a sonar, used to measure water current velocities over a depth...

surface duct. A 1980 report by Naval Ocean Systems Center gives examples in a study of a great circle acoustic path between Perth, Australia and Bermuda...

evaluating such a system, not limited to the vertical accuracy, resolution, acoustic beamwidth of the transmit/receive beam and the acoustic frequency of the...

Ocean acoustic tomography is a technique used to measure temperatures and currents over large regions of the ocean. On ocean basin scales, this technique...

Acoustic sensing method Underwater acoustic positioning system – System for tracking and navigation of underwater vehicles or divers using acoustic signals...

different depths in one dive. We also tested the ultra short baseline acoustic positioning system on the manned submersible, the future of underwater navigation...

ultra-short baseline positioning systems does not suffice. Short baseline acoustic positioning system (SBL acoustic positioning systems) SBL systems do not require...

Acoustic tags are small sound-emitting devices that allow the detection and/or remote tracking of organisms in aquatic ecosystems. Acoustic tags are commonly...

Dynamic positioning (DP) is a computer-controlled system to automatically maintain a vessel's position and heading by using its own propellers and thrusters...

Acoustic location is a method of determining the position of an object or sound source by using sound waves. Location can take place in gases (such as...

bomb), occasionally referred to as a sofar disc, is a long-range position-fixing system that uses impulsive sounds in the deep sound channel (SOFAR channel)...

research and practical application topics using acoustical devices as sensors in aquatic environments. Acoustical techniques can be applied to sensing aquatic...

Laboratory was implemented for Mizar. The system, an early implementation of a short baseline acoustic system, is composed of a triangular array of hydrophones...

Ultra-short baseline acoustic positioning systems which are interfaced with vessel based differential GPS or Differential Global Positioning System navigation...

sinking particulate material Short baseline acoustic positioning system – A class of underwater acoustic positioning systems used to track underwater vehicles...

Underwater acoustic communication is a technique of sending and receiving messages in water. There are several ways of employing such communication but...

underwater acoustic positioning system Dynamic positioning system (DPS) The ship's systems include: Central weather station and acoustic anemometer Two...

or GPS intelligent buoy (GIB) are a type of inverted long-baseline (LBL) acoustic positioning devices where the transducers are installed on GPS-equipped...

equipment used to generate and receive the sound. The acoustic frequencies used in sonar systems vary from very low (infrasonic) to extremely high (ultrasonic)...

the roadway. Most video detection systems require some initial configuration to "teach" the processor the baseline background image. This usually involves...

as normal, atypical, or abnormal. A normal nonstress test will show a baseline fetal heart rate between 110 and 160 beats per minute with moderate variability...

techniques, development of underwater navigation systems (like Ultra-short baseline or Sonar), acoustic modems and cameras made it possible to build vehicles...

satellite navigation systems like the Global Positioning System (GPS) in the 1990s. In 2023 a prototype navigation system was tested based on detection of muon...

improved by using an underwater acoustic positioning system. When operating within a net of sea floor-deployed baseline transponders, this is known as...

acoustics system, and APS-137 ISAR radar; OMEGA navigation system replaced with Global Positioning System (GPS) and TADIL-J/Link 16 data link system added...

(March 2010). Closed-form Algorithms in Mobile Positioning: Myths and Misconceptions. 7th Workshop on Positioning, Navigation and Communication 2010 WPNC'10...