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Results for active sonar
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(engineering) A system consisting of one or more transducers to send and receive sound, equipment for the generation and detection of the electrical impulses to and from the transducer, and a display or recorder system for the observation of the received signals.
A method developed in 1918 for locating a submarine or other underwater body by measuring its distance and direction by “bouncing” a sound signal off of it. Also known as asdic.
See the Introduction, Abbreviations and Pronunciation for further details.
Mode of echo location by sending a signal and detecting the returning echo.
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 | Sci-Tech Dictionary. McGraw-Hill Dictionary of Scientific and Technical Terms. Copyright © 2003, 1994, 1989, 1984, 1978, 1976, 1974 by McGraw-Hill Companies, Inc. All rights reserved. Read more |
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| US Military Dictionary. The Oxford Essential Dictionary of the U.S. Military. Copyright © 2001, 2002 by Oxford University Press, Inc. All rights reserved. Read more |
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| Intelligence Encyclopedia. Encyclopedia of Espionage, Intelligence, and Security. Copyright © 2004 by The Gale Group, Inc. All rights reserved. Read more |
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