Results 241 to 250 of about 129,142 (267)
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Underwater acoustics and acoustical oceanography
The Journal of the Acoustical Society of America, 2011Though underwater acoustics (UW) and acoustical oceanography (AO) have different goals, their overlap often makes efforts in these areas indistinguishable. In this talk I emphasize their similarities while also discussing their different approaches.
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Acoustic Neuromas and the Acoustic Impedance of the Ear
Journal of Speech and Hearing Disorders, 1973The acoustic impedance at the tympanic membrane was measured at frequencies in the range 100–1000 Hz and found to be abnormal on the affected side in four patients with acoustic neuroma. In all four the resistance was abnormally high at low frequencies on the affected side, and in three the reactance of the affected ear was raised relative to that of ...
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Nature Materials, 2010
The detection of acoustic signals is of relevance for a range of practical applications, for example in medical diagnostics. However, whereas rectification of electric current and other energy forms such as thermal flux has been demonstrated, acoustic rectification has not yet been achieved. Here, on the basis of the earlier theoretical proposal of an '
Jianchun Cheng +6 more
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The detection of acoustic signals is of relevance for a range of practical applications, for example in medical diagnostics. However, whereas rectification of electric current and other energy forms such as thermal flux has been demonstrated, acoustic rectification has not yet been achieved. Here, on the basis of the earlier theoretical proposal of an '
Jianchun Cheng +6 more
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Acoustic cavitation and implosion acoustics
The Journal of the Acoustical Society of America, 1996The ubiquitous cavitation bubble always seems to be around whenever one propagates an acoustic field of moderate amplitude through a liquid. The implosive collapse is a marvelously efficient concentrator of acoustic energy and can result in exotic mechanical and chemical effects. Examples of some of the many ways this acoustic energy can be utilized to
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Nonlinear Acoustics and Acoustic Chaos
2002The very basic standard elements of nonlinear acoustics are presented: The origin of nonlinearity, equations of state, simple nonlinear waves and shock wave formation. Sonoluminescence is chosen as a modern example of nonlinear acoustics. Some notations from nonlinear dynamics are introduced needed for understanding chaotic dynamics and acoustic ...
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The Journal of the Acoustical Society of America, 2005
The Intonarumori were a family of musical instruments invented by the Italian futurist composer and painter Luigi Russolo. Each Intonarumori was made of a wooden parallelepiped sound box, inside which a wheel of different sizes and materials was setting into vibration a catgut or metal string.
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The Intonarumori were a family of musical instruments invented by the Italian futurist composer and painter Luigi Russolo. Each Intonarumori was made of a wooden parallelepiped sound box, inside which a wheel of different sizes and materials was setting into vibration a catgut or metal string.
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Acoustical standards in engineering acoustics
The Journal of the Acoustical Society of America, 2004The Engineering Acoustics Technical Committee is concerned with the evolution and improvement of acoustical techniques and apparatus, and with the promotion of new applications of acoustics. As cited in the Membership Directory and Handbook (2002), the interest areas include transducers and arrays; underwater acoustic systems; acoustical ...
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The SAGE Encyclopedia of Human Communication Sciences and Disorders, 2019
Danieille Alman
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Danieille Alman
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Applied Optics, 1969
This review paper briefly discusses areas where there are links between acoustics and optics, including acoustic holography, optical processing of seismic signals, acoustic and electromagnetic waveguides, diffraction, and acoustic-electromagnetic interactions.
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This review paper briefly discusses areas where there are links between acoustics and optics, including acoustic holography, optical processing of seismic signals, acoustic and electromagnetic waveguides, diffraction, and acoustic-electromagnetic interactions.
openaire +3 more sources