passive sonar

collocation in English

meaningsofpassiveandsonar

These words are often used together. Click on the links below to explore the meanings. Or,see other collocations withsonar.
passive
adjective
uk
/ˈpæs.ɪv/us
/ˈpæs.ɪv/
languagespecialized
The passive form of a verb is being used when the grammatical subject is the person or thing that experiences the effect of an action, rather than the person or thing that causes ...
See more atpassive
sonar
noun[U]
uk
/ˈsəʊ.nɑːr/us
/ˈsoʊ.nɑːr/
equipment, especially on a ship, that uses sound waves to discover how deep the water is or the position of an object in the water, such as a group ...
See more atsonar

(Definition ofpassiveandsonarfrom theCambridge English Dictionary© Cambridge University Press)

Examplesofpassive sonar

These examples are from corpora and from sources on the web. Any opinions in the examples do not represent the opinion of the Cambridge Dictionary editors or of Cambridge University Press or its licensors.
Other support systems included active andpassivesonar, altimeter, depthometer, and compass.
From
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Passivesonardetects the target's "radiated" noise characteristics.
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Later ones used active/passivesonarhoming and wire-guidance.
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To simplify,passivesonarsees around the ship using it.
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However, the advent of modern signal-processing enabled the use ofpassivesonaras a primary means for search and detection operations.
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The torpedo will start withpassivesonar, simply trying to detect the submarine.
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Any threat this close is too serious forpassivesonaras immediate targeting is needed.
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It trackedpassivesonarcontacts and identified warships.
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He had to dive due to the flying boats, but that night, using hydrophones (passivesonar), located the ships and closed on them.
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Passivesonaris a set of sensitive hydrophones set into the hull or trailed in a towed array, generally several hundred feet long.
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The noise created by cavitation is a particular problem for military submarines, as it increases the chances of being detected bypassivesonar.
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There was no prior warning of the impending collision frompassivesonaror other onboard sensors.
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Submarines use extensive rubber mountings to isolate and avoid mechanical noises that could reveal locations to underwaterpassivesonararrays.
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It is wire-guided and has apassivesonarsensor, which sends back information through the wire.
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Another use ofpassivesonaris to determine the target's trajectory.
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Inpassivesonar, the receiving array has the capability of detecting distant objects and their locations.
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Inpassivesonaroperation the thermocline is the major issue.
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However, a singlepassivesonarcan only localize in bearing directly, though target motion analysis can be used to localize in range, given time.
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Two contacts were picked up onpassivesonarand were identified as warships.
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Passivesonarsystems may have large sonic databases, but the sonar operator usually finally classifies the signals manually.
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Wikipedia
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These examples are from corpora and from sources on the web. Any opinions in the examples do not represent the opinion of the Cambridge Dictionary editors or of Cambridge University Press or its licensors.
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Go to the definition ofpassive
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See other collocations withsonar