Results 21 to 30 of about 25,812 (165)

Simulation of Sound Waves Using the Lattice Boltzmann Method for Fluid Flow: Benchmark Cases for Outdoor Sound Propagation. [PDF]

open access: yesPLoS ONE, 2016
Propagation of sound waves in air can be considered as a special case of fluid dynamics. Consequently, the lattice Boltzmann method (LBM) for fluid flow can be used for simulating sound propagation.
Erik M Salomons   +2 more
doaj   +1 more source

Analysis and Evaluation of Clustering Techniques Applied to Wireless Acoustics Sensor Network Data

open access: yesApplied Sciences, 2022
Exposure to environmental noise is related to negative health effects. To prevent it, the city councils develop noise maps and action plans to identify, quantify, and decrease noise pollution.
Antonio Pita   +2 more
doaj   +1 more source

Discovering acoustic structure of novel sounds [PDF]

open access: yesThe Journal of the Acoustical Society of America, 2018
Natural sounds have substantial acoustic structure (predictability, nonrandomness) in their spectral and temporal compositions. Listeners are expected to exploit this structure to distinguish simultaneous sound sources; however, previous studies confounded acoustic structure and listening experience.
Christian E, Stilp   +2 more
openaire   +2 more sources

Acoustical properties of some modern partitioning glass walls systems – case study [PDF]

open access: yesConstructii: Journal of Civil Engineering Research, 2014
The case study presents the results of laboratory measurements carried out for the determination of airborne sound insulation properties for various modern partition glass walls systems.
Ioana-Mihaela ALEXE   +1 more
doaj  

Modern Methods Applied in Teaching Physics

open access: yesCommunications, 2010
This paper deals with modernization of teaching acoustics. We prepared the study material with qualitative exercises. In the text we pay attention to physical and ecological aspects of sound and noise. Further we analyze sound as an example of mechanical
Miroslav Nemec
doaj   +1 more source

Acoustic Antennas for Atmospheric Echo Sounding [PDF]

open access: yesThe Journal of the Acoustical Society of America, 1972
The successful utilization of acoustic waves for atmospheric echo sounding requires an efficient antenna, with high on-axis gain and suppressed sidelobes. Existing microwave antennas and optical searchlights have been adapted for acoustic use, and their performance measured.
F. F. Hall, J. W. Wescott
openaire   +1 more source

Acoustic architecture before science. The case of Amsterdam's Concertgebouw

open access: yesSoundEffects, 2016
Concert halls are designed for attentively listening to music. To guarantee that the listening experience mediated by these buildings is acoustically correct, architects rely upon math- ematical formulas to measure and predict how a building will sound ...
Darryl Cressmann
doaj   +1 more source

Compressive acoustic sound speed profile estimation [PDF]

open access: yesThe Journal of the Acoustical Society of America, 2016
Ocean acoustic  sound speed   profile (SSP) estimation requires the inversion of acoustic fields using limited observations. Compressive sensing (CS) asserts that certain underdetermined problems can be solved in high resolution, provided their solutions are sparse.
Michael, Bianco, Peter, Gerstoft
openaire   +2 more sources

History and activities of KU Leuven Laboratory of Acoustics

open access: yesActa Acustica
The Laboratory of Acoustics at KU Leuven was founded more than 50 years ago. Until today, various acoustics-related topics, ranging from physical acoustics through building and room acoustics up to environmental acoustics and noise-related health issues,
Glorieux Christ   +4 more
doaj   +1 more source

Underwater Acoustic Research Trends with Machine Learning: Ocean Parameter Inversion Applications

open access: yes한국해양공학회지, 2020
Underwater acoustics, which is the study of the phenomena related to sound waves in water, has been applied mainly in research on the use of sound navigation and range (SONAR) systems for communication, target detection, investigation of marine resources
Haesang Yang   +3 more
doaj   +1 more source

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