Find more facts and information on our topic page about
sonar
sonar
The Oxford Essential Dictionary of the U.S. Military
|
2001
|
© The Oxford Essential Dictionary of the U.S. Military 2001, originally published by Oxford University Press 2001. (Hide copyright information)
Copyright
sonar ˈsōˌnär n.
1. a system for the detection of objects under water and for measuring the water’s depth by emitting sound pulses and detecting or measuring their return after being reflected.
2. an apparatus used in this system.
Cite this article
Pick a style below, and copy the text for your bibliography.
|
Sonar signals: sound waves that will help you see better than ever underwater.
Magazine article from: National Fisherman; 7/1/2005; ; 700+ words
; ...and hake. (Omni sonars transmit and receive...while a searchlight sonar works its way around...high-frequency sonar for Simrad. Before...machines. These sonars were meeting with...high-frequency sonar, especially for...lower-frequency sonars were not doing the...
|
|
Sonar Used Before Whales Hit Shore; Navy Changes Story but Still Denies Responsibility
Newspaper article from: The Washington Post; 8/31/2004; ; 700+ words
; ...maneuver off Hawaii last month used their sonar periodically in the 20 hours before a large...contentious debate over whether the sound from sonar has been causing marine mammals to strand...indicates that two ships turned on their sonar between 6:45 and 7:10 a.m., by...
|
|
Sonar in the classroom--exploring oceans.
Magazine article from: Technology and Children; 12/1/2005; ; 700+ words
; Sonar is the acronym for Sound Navigation and Ranging. Sonar uses sound and echoes to find objects underwater. It is...to navigate in the depths of the ocean. Learning about sonar will help your students get excited about a variety of ocean...
|
|
Sonar Professional: high-speed text retrieval. (evaluation)
Magazine article from: Information Today; 11/1/1990; ; 700+ words
; Sonar Professional: High-Speed Text Retrieval Sonar Professional is used to search files containing manuscripts...text-strings or phrases can be a time-consuming problem. Sonar Professional offers an alternative to slower, conventional...
|
|
|
Sonar Called Likely Stranding Cause
Newspaper article from: The Washington Post; 4/28/2006; ; 700+ words
; ...marine specialists have concluded that Navy sonar was the most likely cause of the unusual...occurred while a major American- Japanese sonar training exercise was taking place at the...linking traditional mid-frequency naval sonar to whale strandings. Sonar has been used...
|
|
DoubleClick's Sonar Network Signs 300 New Sites and Adds 193 Advertisers; Sonar launches two new products for prospecting and targeting online customers.
Business Wire; 7/17/2000; 700+ words
; ...has added 193 new advertisers to its Sonar Network since March. In addition to the new sites and advertisers, the Sonar Network has announced the availability...target new prospects and customers: Sonar Sweepstakes and Sonar Intelligent Targeting...
|
 "The Record (Bergen County, NJ)")
|
Sonar may have confused whales
Newspaper article from: The Record (Bergen County, NJ); 9/3/2004; ; 700+ words
; ...Record (Bergen County, NJ) 09-03-2004 Sonar may have confused whales -- Navy admits...vessels on maneuver off Hawaii used their sonar periodically in the 20 hours before a large...contentious debate over whether the sound from sonar has been causing marine mammals to strand...
|
|
Chinese naval sonar evolves from foreign influences
Magazine article from: Signal; 12/1/2002; ; 700+ words
; ...phase of the Chinese sonar program began with Soviet searchlight sonars provided from 1954...The searchlight sonars were high frequency...direction. The first sonar-equipped submarines...1955 that included sonar equipment. These...10 HF searchlight sonars. Based on these...
|
|
SONAR 7 Producer Edition
Magazine article from: Canadian Musician; 5/1/2008; ; 700+ words
; ...software. Last year, hitting a milestone, SONAR 6 crossed over to the new Vista era. The new SONAR 7 Producer Edition presents even more new features...just list the new features and highlights of SONAR 7, it would take me more than half-a-dozen...
|
|
SONAR OPERATORS TEST THEIR SKILLS DURING COMPOSITE TRAINING UNIT EXERCISE
News Wire article from: US Fed News Service, Including US State News; 7/15/2009; 700+ words
; ...Carrier Strike Group (HST CSG) used active sonar to hunt submarines during the strike group...nation's homeland security. Although sonar operators receive various types of synthetic...training, nothing compares to using active sonar at-sea to hunt actual submarines...
|
|
SONAR
Encyclopedia entry from: Encyclopedia of Espionage, Intelligence, and Security
SONAR █ K. LEE LERNER SONAR, an acronym for Sound Navigation and Ranging, is a technique...the detection of objects underwater. Historical development of SONAR. Ancient drawings depict the use of long tubes as non-mechanical...
|
|
sonar
Book article from: The Oxford Companion to Ships and the Sea
...column is known. But sonar does not just work...Upward-looking sonars are mounted on autonomous...directions so that a sonar ‘shadow...Other scientific sonars include acoustic...is heard, active sonars transmitting sounds...However, the active sonar will not only locate...
|
|
Sonar
Encyclopedia entry from: UXL Encyclopedia of Science
Sonar Sonar, an acronym for so und n avigation a nd ra nging, is a system that uses...The device kept that name until the late 1950s, when the American term "sonar" was adopted. How it works The principle behind sonar is simple: a pulse...
|
|
RADAR and SONAR
Book article from: World of Earth Science
RADAR and SONAR Although they rely on two fundamentally...RADAR) and Sound Navigation and Ranging (SONAR) both are remote sensing systems with...out electromagnetic waves, while active SONAR transmits acoustic (i.e., sound...
|
|
sonar, passive
Book article from: The Oxford Essential Dictionary of the U.S. Military
sonar, passive a method developed early in World War I for locating a submarine or other underwater body by determining its distance and direction by listening with hydraphones for the sounds made by the target's engines or other machinery.
|
