Sons al Balcó: A Comparative Analysis of WASN-Based LAeq Measured Values with Perceptual Questionnaires in Barcelona during the COVID-19 Lockdown [PDF]
SensorsThe mobility and activity restrictions imposed in Spain due to the COVID-19 pandemic caused a significant improvement in the urban noise pollution that could be objectively measured in those cities with acoustic sensor networks deployed. This significant
Daniel Bonet-Solà +4 more
doaj +5 more sources
On the Challenges of Acoustic Energy Mapping Using a WASN: Synchronization and Audio Capture [PDF]
Sensors, 2023 Acoustic energy mapping provides the functionality to obtain characteristics of acoustic sources, as: presence, localization, type and trajectory of sound sources. Several beamforming-based techniques can be used for this purpose.
Emiliano Ehecatl García-Unzueta +2 more
doaj +6 more sources
WASN-Based Day–Night Characterization of Urban Anomalous Noise Events in Narrow and Wide Streets [PDF]
Sensors, 2020 In addition to air pollution, environmental noise has become one of the major hazards for citizens, being Road Traffic Noise (RTN) as its main source in urban areas.
Francesc Alías +2 more
doaj +4 more sources
Research on a Method for Classifying Bolt Corrosion Based on an Acoustic Emission Sensor System [PDF]
SensorsHigh-strength bolts play a crucial role in ultra-high-pressure equipment such as bridges and railway tracks. Effective monitoring of bolt conditions is of paramount importance for common fault repair and accident prevention. This paper aims to detect and
Shuyi Di, Yin Wu, Yanyi Liu
doaj +3 more sources
Sensors, 2019 Traffic noise is presently considered one of the main pollutants in urban and suburban areas. Several recent technological advances have allowed a step forward in the dynamic computation of road-traffic noise levels by means of a Wireless Acoustic Sensor
Rosa M Alsina-Pagès +2 more
exaly +4 more sources
Characterization of a WASN-Based Urban Acoustic Dataset for the Dynamic Mapping of Road Traffic Noise [PDF]
Proceedings, 2020 Road Traffic Noise (RTN) is one of the main pollutants in urban and suburban areas, negatively affecting the quality of life of their inhabitants. In the context of the European LIFE DYNAMAP project, two Wireless Acoustic Sensor Networks (WASN) have been
Francesc Alías +3 more
doaj +2 more sources
Aggregate Impact of Anomalous Noise Events on the WASN-Based Computation of Road Traffic Noise Levels in Urban and Suburban Environments [PDF]
Sensors, 2020 Environmental noise can be defined as the accumulation of noise pollution caused by sounds generated by outdoor human activities, Road Traffic Noise (RTN) being the main source in urban and suburban areas. To address the negative effects of environmental
Francesc Alías +3 more
doaj +2 more sources
Edge-Computing Meshed Wireless Acoustic Sensor Network for Indoor Sound Monitoring [PDF]
Sensors, 2022 This work presents the design of a wireless acoustic sensor network (WASN) that monitors indoor spaces. The proposed network would enable the acquisition of valuable information on the behavior of the inhabitants of the space.
Selene Caro-Via +5 more
doaj +2 more sources
Norepinephrine titration in patients with sepsis-induced encephalopathy: cerebral pulsatility index compared to mean arterial pressure guided protocol: randomized controlled trial. [PDF]
BMC AnesthesiolAlthough surviving sepsis campaign (SSC) guidelines are the standard for sepsis and septic shock management, outcomes are still unfavourable. Given that perfusion pressure in sepsis is heterogeneous among patients and within the same patient; we ...
Salem MS +4 more
europepmc +2 more sources
Design of a New Lightweight Accurate Grid-Based Localization Method for WASN
IEEE Access, 2021 Existing solutions designed for acoustic target localization based on the received signal energy in WSN suffer either from low localization accuracy due to suboptimal convergence or high computations requirements due to the application of complex ...
Fatima Al-Quayed +2 more
doaj +2 more sources