Results 211 to 220 of about 569,184 (264)
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Journal of the Air Pollution Control Association, 1973
The national Environmental Protection Agency is expected to issue its recommendations on noise legislation some time during the latter part of 1973. This agency will assume primary responsibility for enforcing noise limits on new products, such as vehicles, construction equipment, electrical equipment, etc.
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The national Environmental Protection Agency is expected to issue its recommendations on noise legislation some time during the latter part of 1973. This agency will assume primary responsibility for enforcing noise limits on new products, such as vehicles, construction equipment, electrical equipment, etc.
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Noise controller which noise-controls movable point
The Journal of the Acoustical Society of America, 1994A noise controller which noise-controls a movable point so that a noise generated from a noise source and transmitted to the movable point can be reduced. The noise controller filters the noise in accordance with a least mean square algorithm and generates an antinoise to be collided with the noise so that the antinoise and the noise can cancel each ...
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Noise, anti-noise and fluid flow control
Philosophical Transactions of the Royal Society of London. Series A: Mathematical, Physical and Engineering Sciences, 2002This paper celebrates Thomas Young's discovery that wave interference was responsible for much that is known about light and colour. A substantial programme of work has been aimed at controlling the noise of aerodynamic flows. Much of that field can be explained in terms of interference and it is argued in this paper that the theoretical techniques for
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Electric Motor Noise: Control of Noise at the Source
American Industrial Hygiene Association Journal, 1970The desired output of most electric motors is mechanical torque. Unfortunately, this output is usually accompanied by undesirable outputs such as heat and noise. The noise produced by electric motors (and by other machinery) is rapidly becoming the subject of much concern to designers and operators of industrial equipment as well as to many other ...
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Fifty Years of Noise Modeling and Mitigation in Power-Line Communications
IEEE Communications Surveys and Tutorials, 2021Chao Xu +2 more
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