Temporal Attributes of the Ambient Seismo-acoustic Environment PDF Download
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Author: James C. Battis
Publisher:
ISBN:
Category :
Languages : en
Pages : 52
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Book Description
Author: James C. Battis
Publisher:
ISBN:
Category :
Languages : en
Pages : 52
Get Book Here
Book Description
Author: James C. Battis
Publisher:
ISBN:
Category :
Languages : en
Pages : 39
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Book Description
Author: James C. Battis
Publisher:
ISBN:
Category : Acoustic surface waves
Languages : en
Pages : 50
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Book Description
During the period 9 to 29 October 1986, seismic and atmospheric pressure data were recorded at the AFGL operated array at La Junta, Colorado. The purpose of this effort was to develop statistical models of the noise environments at this site for use in defining event detection capabilities of the array. Analysis of these data demonstrates that peak noise amplitudes for 1-second windows could adequately be modeled as Type II Gumbel extreme value distributions, EXII (u, k). Further, it was shown that there is at best only weak correlation between the noise fields in both a broad-and narrow-band sense.
Author:
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ISBN:
Category : Environmental geology
Languages : en
Pages : 196
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Author:
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ISBN:
Category : Aeronautics
Languages : en
Pages : 996
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Author: Janet C. Johnston
Publisher:
ISBN:
Category : Blast effect
Languages : en
Pages : 98
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Book Description
On 5 May 1986, 3 packages of TNT were detonated 100 ft in the air above the Turner Drop Zone at Ft. Devens, Massachusetts. The aerial explosions were recorded by seismic and acoustic sensors over 2 linear arrays that covered the distance range from 0 to 1000 meters. One array was installed over flat topography, while the other was installed across a hill with 80 ft of relief. The goal of the experiment was to examine the response of the ground and the air to a unit impulse. Although recording of the higher frequencies generated by the blasts was limited by the sampling rate capability of the equipment (100 and 200 samples/sec) it was clear that the hill produced a sheltering effect. Considerable transverse motion appeared in the records. Reduced time plots revealed a propagation speed of 0.35 km/sec corresponding primarily to an airwave induced seismic signal, although some seismic precursors are evident. The ratio of peak seismic velocity to pressure ranged from 10-4 cm/sec/Pa for the line that transversed the hill to .00001 cm/sec/Pa for the flat array. The experiment should be repeated in the same area during different seasonal coverings (snow and ice) and extended to areas with more complex topography and different vegetation. In future experiments the position of the air blasts should be varied to facilitate discrimination of paths to the receivers. The results could be extrapolated to an extended, continuous source such as a low flying aircraft or cruise missile.
Author: Nori Nakata
Publisher: Cambridge University Press
ISBN: 1108417086
Category : Nature
Languages : en
Pages : 373
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Book Description
A comprehensive overview of seismic ambient noise, covering observations, physical origins, modelling, processing methods and applications in imaging and monitoring.
Author:
Publisher:
ISBN:
Category : Science
Languages : en
Pages : 576
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Book Description
Author: Tong Lee
Publisher: Frontiers Media SA
ISBN: 2889631184
Category : Science
Languages : en
Pages : 783
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Book Description
This eBook is a collection of articles from a Frontiers Research Topic. Frontiers Research Topics are very popular trademarks of the Frontiers Journals Series: they are collections of at least ten articles, all centered on a particular subject. With their unique mix of varied contributions from Original Research to Review Articles, Frontiers Research Topics unify the most influential researchers, the latest key findings and historical advances in a hot research area! Find out more on how to host your own Frontiers Research Topic or contribute to one as an author by contacting the Frontiers Editorial Office: frontiersin.org/about/contact.
Author: Diana Grgurić
Publisher: CRC Press
ISBN: 1040022081
Category : Music
Languages : en
Pages : 204
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Book Description
Since technological progress is characterized by the dual effects, positive and negative, it is precisely by sustaining the balance between such binaries that ecologically responsible resource management is restored as a solution for excessive human impact on the environment. Sound and music became relevant from the perspective of management, within the meaning of controlling their negative effects on human beings and their environment as well as utilizing them for meeting human needs. This book integrates the fields of technology, humanities, and social sciences and defines the challenges of noise control from the perspective of acoustic ecology. It discusses the concept of acoustic ecology applied to evoke sound and music management and design solutions for well-being. It will be equally useful for students of electrical engineering, music, and economics; equally challenging to those with a particular prior knowledge and practice; and as much as comprehensive and stimulative for those who are barely embarking upon a new adventure.
