- under-water echo sounding
- гидролокация
English-russian dictionary of physics. 2013.
English-russian dictionary of physics. 2013.
echo sounding — noun a) The technique of using reflected pulses of sound to determine depth or the location of objects (or fish) under water. b) A particular measurement made using this technique … Wiktionary
echo ranging — noun : determination of the distance and direction of an object (as under water) by means of an echo (as of sound) returned by the object compare echo sounding, sonar * * * echo ranging, a method of finding the range and direction of objects… … Useful english dictionary
Sounding line — A sounding line or lead line is a length of thin rope with a plummet, generally of lead, at its end. No matter what metal the plummet is made of, it s still referred to as the lead. In the recent past, depths were measured in fathoms, although… … Wikipedia
Sonar — This article is about underwater sound propagation. For atmospheric sounding, see SODAR. For other uses, see Sonar (disambiguation) … Wikipedia
Glossary of nautical terms — This is a glossary of nautical terms; some remain current, many date from the 17th 19th century. See also Wiktionary s nautical terms, Category:Nautical terms, and Nautical metaphors in English. Contents: A B C D E F G H I J K L M N O P Q R … Wikipedia
surveying — /seuhr vay ing/, n. 1. the science or scientific method of making surveys of land. 2. the occupation of one who makes land surveys. 3. the act of one who surveys: The surveying required nearly two days. [1425 75; late ME: act of examining… … Universalium
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
Antarctica — /ant ahrk ti keuh, ahr ti /, n. the continent surrounding the South Pole: almost entirely covered by an ice sheet. ab. 5,000,000 sq. mi. (12,950,000 sq. km). Also called Antarctic Continent. * * * Antarctica Introduction Antarctica Background:… … Universalium
canals and inland waterways — ▪ waterway Introduction natural or artificial waterways used for navigation, crop irrigation, water supply, or drainage. Despite modern technological advances in air and ground transportation, inland waterways continue to fill a vital … Universalium
Maritime history of the United Kingdom — The Maritime history of the United Kingdom involves events including shipping, ports, navigation, and seamen, as well as marine sciences, exploration, trade, and maritime themes in the arts from the creation of the kingdom of Great Britain[1] as… … Wikipedia
USS Triton (SSRN-586) — USS Triton (SSRN/SSN 586), a U.S. Navy nuclear powered radar picket submarine, was the first vessel to execute a submerged circumnavigation of the Earth, accomplishing this during her shakedown cruise in early 1960. She also has the distinction… … Wikipedia