Results 291 to 300 of about 2,103,194 (320)
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Journal of Hypertension, 2019
OBJECTIVE To assess the impact of long-term exposure to aircraft noise on blood pressure (BP), prevalence of arterial hypertension, and indices of asymptomatic organ damage.
M. Rojek +7 more
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OBJECTIVE To assess the impact of long-term exposure to aircraft noise on blood pressure (BP), prevalence of arterial hypertension, and indices of asymptomatic organ damage.
M. Rojek +7 more
semanticscholar +1 more source
Journal of the Acoustical Society of America, 2019
Helicopter noise exhibits distinctive acoustical characteristics (e.g., pulsation) compared to noise from propeller-driven aircraft which contains tonal components.
Armin Taghipour, R. Pieren, B. Schäffer
semanticscholar +1 more source
Helicopter noise exhibits distinctive acoustical characteristics (e.g., pulsation) compared to noise from propeller-driven aircraft which contains tonal components.
Armin Taghipour, R. Pieren, B. Schäffer
semanticscholar +1 more source
The Journal of the Acoustical Society of America, 1978
An aircraft noise adaptation model is being developed at Langley Research Center to account for the variability in the responses of subjects participating in noise experiments. The principal concept of the model is a measured “aircraft adaptation level” which represents a noise annoyance calibration for each individual. The model assumes that annoyance
Thomas K. Dempsey, Jimmy M. Cawthorn
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An aircraft noise adaptation model is being developed at Langley Research Center to account for the variability in the responses of subjects participating in noise experiments. The principal concept of the model is a measured “aircraft adaptation level” which represents a noise annoyance calibration for each individual. The model assumes that annoyance
Thomas K. Dempsey, Jimmy M. Cawthorn
openaire +1 more source
Aircraft Engineering and Aerospace Technology, 1979
Although it has been generally accepted that noise control is of great importance around airports, little consideration has been given to the instrumentation concept. The purpose of this article is to discuss various requirements to noise monitoring systems with respect to flexibility, reliability and operation.
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Although it has been generally accepted that noise control is of great importance around airports, little consideration has been given to the instrumentation concept. The purpose of this article is to discuss various requirements to noise monitoring systems with respect to flexibility, reliability and operation.
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Environmental Policy and Law, 1980
The government of the Federal Republic of Germany issued recently a report on aircraft noise. The following article comments on this report and discusses the present situation in the Federal Republic with regard to this subject.
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The government of the Federal Republic of Germany issued recently a report on aircraft noise. The following article comments on this report and discusses the present situation in the Federal Republic with regard to this subject.
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The Journal of the Acoustical Society of America, 2008
Noise has been an issue for airport communities and passengers since the advent of commercial air transport almost a century ago. Impressive gains have been made in aircraft noise control, but expectations are rising and air traffic will at least double in the next 20 years. Also, lighter composite structures pose a challenge for interior noise control.
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Noise has been an issue for airport communities and passengers since the advent of commercial air transport almost a century ago. Impressive gains have been made in aircraft noise control, but expectations are rising and air traffic will at least double in the next 20 years. Also, lighter composite structures pose a challenge for interior noise control.
openaire +1 more source
Journal of Sound and Vibration, 1996
Significant advances have been made during the past 45 years in the understanding of airplane interior noise. Noise sources and transmission paths are discussed, and methods for the prediction of interior noise are summarized. Noise control methods are reviewed, including recent work in active noise control.
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Significant advances have been made during the past 45 years in the understanding of airplane interior noise. Noise sources and transmission paths are discussed, and methods for the prediction of interior noise are summarized. Noise control methods are reviewed, including recent work in active noise control.
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Aircraft Engineering and Aerospace Technology, 1980
Flight Operational Noise Internationally, noise due to flight operations in the vicinity of airports. Each nation has developed an individual system of assessment and criteria for judging acceptability or probable extents of annoyance arising from the community based on local conditions and experience.
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Flight Operational Noise Internationally, noise due to flight operations in the vicinity of airports. Each nation has developed an individual system of assessment and criteria for judging acceptability or probable extents of annoyance arising from the community based on local conditions and experience.
openaire +1 more source