acoustic signature


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acoustic signature

[ə′küs·tik ′sig·nə·chər]
(engineering)
In acoustic detection, the profile characteristic of a particular object or class of objects, such as a school of fish or a specific ocean-bottom formation.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
References in periodicals archive ?
Technologically innovative, it was the only U-Boat to conduct a wartime patrol while equipped with the snorkel, GHG Balkon passive sonar and a rubberized coating known as Alberich designed to reduce its acoustic signature and hide from Allied sonar.
The boatwhistle of each male has a unique acoustic signature (Fish, 1972; Fine, 1983; Edds-Walton et al., 2002; Putland et al., 2018) that consists of a brief high-amplitude broadband grunt (~30-50 ms) followed by a regular pulsing period (~200-650 ms) (Tavolga, 1958; Edds-Walton et al., 2002).
These include a better acoustic signature, runway independence and the ability to be transported in organic assets, such as the CH-47 Chinook, Rugen said.
(2010) conducted an experiment to identify the Red Palm Weevil (RPW) larvae's acoustic signature. Matlab was used to analyze RPW recorded signals.
While the acoustic signature of the Core is definitely premium, the only way to truly achieve it under very specific conditions.
The "acoustic signature" of screams has been identified in a study by New York University neuroscientists that points to the unique attributes of this form of expression, and suggests we are able to generate sounds reserved exclusively for signaling distress.
First, devices like the Echo and Google Home are not really "always on." Theyre in passive listening mode, using a small amount of power for something called "device keyword spotting." In effect, the companies say, the device is recording about one second of ambient sound, hunting for the acoustic signature of their wake words, "Alexa" or "OK Google," and then constantly overwriting and discarding that fraction of sound.
The report said: "Russia's submarines, which lurk off naval bases in Scotland, seek even sensitive information: the 'acoustic signature' made by the UK submarine fleet, including the Vanguard submarines that carry Trident nuclear missiles.
When the monitored spectrum correlates to a known acoustic signature, and the direction is determined based on which sensor captured the audio signal, an alert is issued.
Accordingly, a multi-purpose hall cannot have a single all-purpose acoustic signature; it must be variable.
In order to accurately record its acoustic signature, Dayeh had to know where the lightning would strike.
A v-shaped acoustic signature for a perfect soundstage.
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