sonar beacon

См. также в других словарях:

• beacon — I (New American Roget s College Thesaurus) n. lighthouse, buoy, lightship; beam; signal fire; signal, guide. See indication, light, warning. II (Roget s IV) n. Syn. flare, lantern, guide, signal, signal fire, signal light, signal beam, lighthouse …   English dictionary for students

• sonar — Synonyms and related words: astronavigation, bathometry, bathymetry, celestial navigation, chronometer, coastwise navigation, consolan, dead reckoning, depth sounding, echo sounding, echolocation, fathomage, fathoming, fix, line of position,… …   Moby Thesaurus

• Electric beacon — Electric beacons are a kind of beacon used with direction finding equipment to find ones relative bearing to a known location (the beacon).The term electric beacon includes radio, infrared and sonar beacons. Radio beacons A radio beacon is a… …   Wikipedia

• Long base line sonar — Long Base Line, commonly referred to as LBL, is a method of acoustic positioning commonly used in deep water (water depth of greater than 3000 feet). A typical LBL positioning system consists of a transceiver and several beacons arranged into a… …   Wikipedia

• Deep-sea exploration — is the investigation of physical, chemical, and biological conditions on the sea bed, for scientific or commercial purposes. Deep sea exploration is considered as a relatively recent human activity compared to the other areas of geophysical… …   Wikipedia

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