Zobrazeno 1 - 10
of 895
pro vyhledávání: '"noise spectrum"'
Autor:
Victoria M. Nesterenko
Publikováno v:
RUDN Journal of Ecology and Life Safety, Vol 32, Iss 3, Pp 259-273 (2024)
The most serious negative factor for life, and even more so for human recreation in urban conditions, is urban noise, the level of which has increased significantly recently. The city of Bryansk is also an exception - the administrative center of the
Externí odkaz:
https://doaj.org/article/51d6a5a4f13345e19da956b97ee57a34
Publikováno v:
In Acta Astronautica February 2025 227:1-11
Publikováno v:
Transport Problems, Vol 18, Iss 2, Pp 63-73 (2023)
Noise from cars is one of the main sources of harmful pollution. In the presented paper, an octave frequency band analysis is conducted according to standard methods of external and internal noise measurement. Experiments at different speeds, with th
Externí odkaz:
https://doaj.org/article/447ca59b3b0545fea9d5b97b67ba6bf4
A Low-Noise Amplifier for Submarine Electric Field Signal Based on Chopping Amplification Technology
Publikováno v:
Sensors, Vol 24, Iss 5, p 1417 (2024)
In the exploration of ocean resources, the submarine electric field signal plays a crucial role through marine electromagnetic methods. However, due to the field signal’s low-frequency and weak characteristics, it often encounters interference from
Externí odkaz:
https://doaj.org/article/9e5fab2cb1274b3dbdf76b72d4aa998b
Publikováno v:
Random Process Analysis With R, 2022, ill.
Externí odkaz:
https://doi.org/10.1093/oso/9780198862512.003.0007
Publikováno v:
Fundamental Research, Vol 2, Iss 2, Pp 178-183 (2022)
The phenomenon of group motion is common in nature, ranging from the schools of fish, birds and insects, to avalanches, landslides and sand drift. If we treat objects as collectively moving particles, such phenomena can be studied from a physical poi
Externí odkaz:
https://doaj.org/article/ce81d2afb4214a2d91ef4ddb31577369
Publikováno v:
Frontiers in Public Health, Vol 11 (2023)
IntroductionExposure to road traffic noise has been reported to be associated with depression in many epidemiological studies, but the association between noise frequency spectrum and depression remains unclear. This community-based study investigate
Externí odkaz:
https://doaj.org/article/e5773bf165f4419ea7c5be9e30d998d8
Akademický článek
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Publikováno v:
Ultrasonics Sonochemistry, Vol 82, Iss , Pp 105878- (2022)
Cavitation intensity is used to describe the activity of cavitation, and several methods are developed to identify the intensity of cavitation. This work aimed to provide an overview and discussion of the several existing characterization methods for
Externí odkaz:
https://doaj.org/article/6312848b96894fabb5e40a2f1366409b
Akademický článek
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