Atmospheric Noise
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Atmospheric Noise
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Author : Marina Peterson
language : en
Publisher: Duke University Press
Release Date : 2021-02-05
Atmospheric Noise written by Marina Peterson and has been published by Duke University Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2021-02-05 with Social Science categories.
In Atmospheric Noise, Marina Peterson traces entanglements of environmental noise, atmosphere, sense, and matter that cohere in and through encounters with airport noise since the 1960s. Exploring spaces shaped by noise around Los Angeles International Airport (LAX), she shows how noise is a way of attuning toward the atmospheric: through noise we learn to listen to the sky and imagine the permeability of bodies and matter, sensing and conceiving that which is diffuse, indefinite, vague, and unformed. In her account, the “atmospheric” encompasses the physicality of the ephemeral, dynamic assemblages of matter as well as a logic of indeterminacy. It is audible as well as visible, heard as much as breathed. Peterson develops a theory of “indefinite urbanism” to refer to marginalized spaces of the city where concrete meets sky, windows resonate with the whine of departing planes, and endangered butterflies live under flight paths. Offering a conceptualization of sound as immanent and non-objectified, she demonstrates ways in which noise is central to how we know, feel, and think atmospherically.
Characteristics And Applications Of Atmospheric Radio Noise Data
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Author : International Radio Consultative Committee
language : en
Publisher:
Release Date : 1983
Characteristics And Applications Of Atmospheric Radio Noise Data written by International Radio Consultative Committee and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1983 with Radio categories.
Radio noise prediction, description of the parameters used, influence of the directivity and polarization of antennas.
Atmospheric Radio Noise Summary For The Period June 1 Through November 30 1957
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Author : W. Q. Critchlow
language : en
Publisher:
Release Date : 1958
Atmospheric Radio Noise Summary For The Period June 1 Through November 30 1957 written by W. Q. Critchlow and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1958 with Meteorological instruments categories.
World Distribution And Characteristics Of Atmospheric Radio Noise
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Author : International Radio Consultative Committee
language : en
Publisher:
Release Date : 1964
World Distribution And Characteristics Of Atmospheric Radio Noise written by International Radio Consultative Committee and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1964 with Radio categories.
Amplitude And Time Statistics Of Atmospheric And Man Made Radio Noise
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Author : R. T. Disney
language : en
Publisher:
Release Date : 1970
Amplitude And Time Statistics Of Atmospheric And Man Made Radio Noise written by R. T. Disney and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1970 with Radio categories.
A Numerical Representation Of Ccir Report 322 High Frequency 3 30 Mc S Atmospheric Radio Noise Data
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Author : Donald L. Lucas
language : en
Publisher:
Release Date : 1965
A Numerical Representation Of Ccir Report 322 High Frequency 3 30 Mc S Atmospheric Radio Noise Data written by Donald L. Lucas and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1965 with Radio noise categories.
Geographic and frequency dependent distributions of atmospheric noise *power enumerated in CCIR Report 322 (1964) are approximated by series expansions for use in electronic computers.Coefficients of Fourier series representation of worldwide geographic dependence and power series representation of both mean and decile variability of the frequency dependence are tabulated.Representative contour charts of all distributions are shown along with sample longitudinal and latitudinal variations. (Author).
Performance Of Some Radio Systems In The Presence Of Thermal And Atmospheric Noise
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Author :
language : en
Publisher:
Release Date : 1957
Performance Of Some Radio Systems In The Presence Of Thermal And Atmospheric Noise written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1957 with Atmospherics categories.
Computational Atmospheric Acoustics
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Author : E.M. Salomons
language : en
Publisher: Springer Science & Business Media
Release Date : 2012-12-06
Computational Atmospheric Acoustics written by E.M. Salomons and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012-12-06 with Science categories.
Noise from cars, trains, and aeroplanes can be heard at large distances from the source. Accurate predictions of the loudness of the noise require accurate computations of sound propagation in the atmosphere. This book describes models that can be used for these computations. The models take into account complex effects of the atmosphere and the ground surface on sound waves, including the effects of wind and temperature distributions, atmospheric turbulence, irregular terrain, and noise barriers. The main text of the book focuses on physical effects in atmospheric acoustics. The effects are illustrated by many numerical examples. The main text requires a very limited mathematical background from the reader; detailed mathematical descriptions of the models, developed from the basic principles of acoustics, are presented in appendices. Models for moving media are compared with models that are based on the effective sound speed approach. Both two-dimensional models and three-dimensional models are presented. As meteorological effects play an important role in atmospheric acoustics, selected topics from boundary layer meteorology and the theory of turbulence are also presented.
An Sbf Array For Reception Of Atmospheric Noise
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Author : J. A. Strom
language : en
Publisher:
Release Date : 1974
An Sbf Array For Reception Of Atmospheric Noise written by J. A. Strom and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1974 with Antenna arrays categories.
A four-element short-backfire array was designed, fabricated, and experimentally tested for use as a receiving antenna of low level atmospheric noise at 920 MHz. A complete set of design dimensions is presented as well as the resultant radiation patterns and frequency curves of sidelobe levels, half-power beamwidths, and input impedance. The effects of variations on the size and shape of the main reflector are discussed, especially when efficient operation with low sidelobes or high gain is of prime importance. Supporting data and tables of optimum design dimension are also provided for future VHF or UHF antenna applications in the gain range of 17 to 20 dB.
Infrasound Monitoring For Atmospheric Studies
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Author : Alexis Le Pichon
language : en
Publisher: Springer Science & Business Media
Release Date : 2010-01-19
Infrasound Monitoring For Atmospheric Studies written by Alexis Le Pichon and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2010-01-19 with Science categories.
The use of infrasound to monitor the atmosphere has, like infrasound itself, gone largely unheard of through the years. But it has many applications, and it is about time that a book is being devoted to this fascinating subject. Our own involvement with infrasound occurred as graduate students of Prof. William Donn, who had established an infrasound array at the Lamont-Doherty Geological Observatory (now the Lamont-Doherty Earth Observatory) of Columbia University. It was a natural outgrowth of another major activity at Lamont, using seismic waves to explore the Earth’s interior. Both the atmosphere and the solid Earth feature velocity (seismic or acoustic) gradients in the vertical which act to refract the respective waves. The refraction in turn allows one to calculate the respective background structure in these mediums, indirectly exploring locations that are hard to observe otherwise. Monitoring these signals also allows one to discover various phenomena, both natural and man-made (some of which have military applications).