Artificial intelligent assistant

infrasound

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infrasound
infrasound (ˈɪnfrəsaʊnd) [f. infra- + sound n.3, tr. F. infra-son (1906 in Robert).] Sound, or a sound, of infrasonic frequency.1930 A. B. Wood Textbk. Sound ii 213 The ‘ondes de bouche’ (from the mouth of the gun) consists principally of waves of very low frequency (of the order 1 p.p.s.), describe... Oxford English Dictionary
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Infrasound
History and study The Allies of World War II first used infrasound to locate artillery. Infrasound for nuclear detonation detection Infrasound is one of several techniques used to identify if a nuclear detonation has occurred. wikipedia.org
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Perception of infrasound
Infrasound is sound at frequencies lower than the low frequency end of human hearing threshold at 20 Hz. In order to use infrasound for navigation, it is necessary to be able to localize the source of the sounds. wikipedia.org
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Subsonic
Laboratories, a 1995 album by Andy Hawkins and Justin Broadrick Subsonic Music Festival, an annual electronic music festival in Monkerai, Australia See also Infrasound wikipedia.org
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2022 EB5
With an atmospheric entry speed of , the asteroid's impact generated a 4-kiloton-equivalent fireball that was detected by infrasound from Greenland and wikipedia.org
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Microbarometer
around the world are planned to be used to monitor compliance with the Comprehensive Nuclear-Test-Ban Treaty (upon entry into force) by detecting the infrasound wikipedia.org
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Nuclear detonation detection system
Infrasound Infrasound works by having multiple stations that use microbarometers to listen for infrasonic waves caused by explosions, volcanoes or other As with other detection methods, infrasound was developed during the Cold War. wikipedia.org
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次声波
参看 声波 超声波 波 频率 注释 参考资料 "infrasound". Collins English Dictionary, 2000. The Subjective Effects of Infrasound in a Live Concert Setting. CIM04: Conference on Interdisciplinary Musicology. wikipedia.org
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Vladimir Gavreau
He concluded that it was infrasound and got to work preparing tests in the labs. Publications "Infrasound." Science Journal, vol. 4, no. 1 (Jan. 1968). wikipedia.org
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现代音乐中有可能引入次声波成为音乐元素的一部分么？
声音艺术家 Randy Yau （丘汉英）和 Scott Arford 有一个组合叫作「次声波」（Infrasound），其实玩的是超声波。（据前声音艺术策展人 @Lawrence Li 讲，该组合还真的大量使用次声波，我了解有误。） Sensorband 好像也有利用超声波的作品。 相关资料网上很好找，比如： http://www.myspace.com/video/laurent/infrasound-in-paris-scott-arford-randy-h-y-yau/57278635 http://a-musik.com/cart/catalog.php? zhihu
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Kanda Geoglyph
Further analysis Researchers, using an instrument to measure infrasound vibrations, realized there was the possibility of the existence of an underground wikipedia.org
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夏威夷大学马诺阿分校
www.uhm.hawaii.edu/ http://uhathletics.hawaii.edu/ http://www.kaleo.org/ student newspaper Student Housing Student Housing University of Hawaii Infrasound wikipedia.org
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普通 MP3 播放器连接普通的家用音箱可以播放次声波么？
[1]转自路透社的报导，观众人数约750人 http://www.msnbc.msn.com/id/3077192/ [2]这个词条里的quotes是所有线索的来源 http://en.wikipedia.org/wiki/Infrasound#cite_note-msnbc.com-15 [3]关于这个实验的详情 zhihu
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2014 AA
Infrasound was detected by three stations of the Comprehensive Nuclear-Test-Ban Treaty Organization. A recalculation of the impact parameters of this meteor based on infrasound recordings puts it in the Atlantic Ocean about 1900 km (1030 nautical miles wikipedia.org
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Vic Tandy
In both cases he found high levels of infrasound present. From this Tandy developed the idea that infrasound might be present in the laboratory. wikipedia.org
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