Results 131 to 140 of about 179,532 (301)

Interior noise prediction methodology: ATDAC theory and validation [PDF]

The Acoustical Theory for Design of Aircraft Cabins (ATDAC) is a computer program developed to predict interior noise levels inside aircraft and to evaluate the effects of different aircraft configurations on the aircraft acoustical environment.
Gardner, Bryce K., Mathur, Gopal P.
core   +1 more source

On some aspects of the noise propagation from supersonic aircraft [PDF]

, 1953
The noise problem associated with an aircraft flying at supersonic speeds is shown to depend primarily on the shock wave pattern formed by the aircraft.
Busing, J. R., Lilley, G. M., Westley, R., Yates, A. H.   +3 more
core  

Evaluating machine learning models for multi‐species wildlife detection and identification on remote sensed nadir imagery in South African savanna

Wildlife Biology, EarlyView.
This research paper investigates the efficacy of leading machine learning (ML) models for detecting and identifying ungulate species in African savanna using nadir imagery from unmanned aerial vehicles (UAVs). Traditional aerial counting methods, while widely used, suffer from significant limitations in accuracy and precision, in part due to human ...
Paul Allin, Fadel Seydou, Radloff Frans, Andrew Davies, Alison Leslie   +4 more
wiley   +1 more source

Long-term aircraft noise exposure and risk of hypertension in postmenopausal women. [PDF]

Environ Res, 2023
Nguyen DD, Whitsel EA, Wellenius GA, Levy JI, Leibler JH, Grady ST, Stewart JD, Fox MP, Collins JM, Eliot MN, Malwitz A, Manson JE, Peters JL.   +12 more
europepmc   +1 more source

Annoyance due to multiple airplane noise exposure [PDF]

A laboratory study was conducted to investigate the annoyance effects of multiple aircraft noise exposure in which 250 subjects judged the annoyance of half-hour periods of airplane noise simulative of typical indoor home exposures.
Powell, C. A.
core   +1 more source

Estimating red deer Cervus elaphus population density using drones in a steep and rugged terrain

Wildlife Biology, EarlyView.
Precise and accurate information about population density, crucial for wildlife management, is difficult to obtain for elusive species living in dense forests or steep and inaccessible terrain. Using unmanned aerial vehicles (UAVs), we developed a method for obtaining absolute population estimates of ungulates living in steep, rugged, and partly ...
Julie Bommerlund, Torbjørn Ergon, Simon Filhol, Atle Mysterud   +3 more
wiley   +1 more source

Associations between long-term aircraft noise exposure, cardiovascular disease, and mortality in US cohorts of female nurses. [PDF]

Environ Epidemiol, 2023
Grady ST, Hart JE, Laden F, Roscoe C, Nguyen DD, Nelson EJ, Bozigar M, VoPham T, Manson JE, Weuve J, Adar SD, Forman JP, Rexrode K, Levy JI, Peters JL.   +14 more
europepmc   +1 more source

Noise characteristics of upper surface blown configurations: Analytical Studies [PDF]

Noise and flow results of upper surface blown configurations were analyzed. The dominant noise source mechanisms were identified from experimental data.
Pennock, A. P., Reddy, N. N., Tam, C. K. W., Tibbetts, J. G.   +3 more
core   +1 more source

Experimental assessment of large mammal population estimates from airborne thermal videography

Wildlife Biology, EarlyView.
Wildlife resource management requires reliable, fast, and affordable methods of surveying wildlife populations to develop and adaptively adjust policies. Thermal video from drones can yield high rates of detection over large areas with relative speed and safety.
Julia S. McElhinny, Gregory D. Larsen, Maxwell Messinger, Chad H. Newbolt, Andrew Whitworth, Stephen S. Ditchkoff, Miles R. Silman, Jared T. Beaver   +7 more
wiley   +1 more source

Aircraft Noise Distribution as a Fairness Dilemma-A Review of Aircraft Noise through the Lens of Social Justice Research. [PDF]

Int J Environ Res Public Health, 2021
Hauptvogel D, Bartels S, Schreckenberg D, Rothmund T.   +3 more
europepmc   +1 more source