bottom scanning sonar

См. также в других словарях:

• sonar — /soh nahr/, n. 1. a method for detecting and locating objects submerged in water by echolocation. 2. the apparatus used in sonar. Also called, Brit., asdic. [1940 45; so(und) na(vigation) r(anging)] * * * Technique for detecting and determining… …   Universalium

• Sonar — This article is about underwater sound propagation. For atmospheric sounding, see SODAR. For other uses, see Sonar (disambiguation) …   Wikipedia

• Earth Sciences — ▪ 2009 Introduction Geology and Geochemistry       The theme of the 33rd International Geological Congress, which was held in Norway in August 2008, was “Earth System Science: Foundation for Sustainable Development.” It was attended by nearly… …   Universalium

• Furuno — The Furuno Electric Company was founded in Nagasaki, Japan in 1938. The company sells Marine Electronics and has subsidiaries in the USA, Europe, China. 1938 to 1969 1938 FURUNO ELECTRIC SHOKAI LTD. founded in Nagasaki, Japan 1948 Commercialized… …   Wikipedia

• Big-game fishing — Big game fishing, often referred to as offshore sportfishing, offshore gamefishing, or blue water fishing is a form of recreational fishing, targeting large fish renowned for their sporting qualities, such as tuna and marlin. HistoryBig game… …   Wikipedia

• Measurement of sea ice — Annual growth and retreat of the polar ice packs from SeaWiFS images Measurement of sea ice is important for safety of navigation and for monitoring the environment, particularly the climate. Record keeping of direct observations began over a… …   Wikipedia

• Life Sciences — ▪ 2009 Introduction Zoology       In 2008 several zoological studies provided new insights into how species life history traits (such as the timing of reproduction or the length of life of adult individuals) are derived in part as responses to… …   Universalium

• Measurement and signature intelligence — (MASINT) is a branch of intelligence gathering activities. MASINT, may have aspects of intelligence analysis management, since certain aspects of MASINT, such as the analysis of electromagnetic radiation received by signals intelligence are more… …   Wikipedia

• Measurement and Signature Intelligence — Measurement and Signature Intelligence, or MASINT, refers to intelligence gathering activities that bring together disparate elements that do not fit within the definitions of the major disciplines mentioned above. As a means of collecting… …   Wikipedia

• ultrasonics — /ul treuh son iks/, n. (used with a sing. v.) the branch of science that deals with the effects of sound waves above human perception. [1930 35; see ULTRASONIC, ICS] * * * Vibrational or stress waves in elastic media that have a frequency above… …   Universalium

• warning system — ▪ military technology Introduction       in military science, any method used to detect the situation or intention of an enemy so that warning can be given.       Because military tactics from time immemorial have stressed the value of surprise… …   Universalium