Results 121 to 130 of about 277,595 (306)

Innovative Helicopter In-Flight Noise Monitoring Systems Enabled by Rotor-State Measurements

, 2016
The present contribution aims at providing a comprehensive illustration of a new approach to rotorcraft noise abatement, especially during terminal procedures, when the vehicle approaches the ground and the acoustic impact is higher.
Rolando Alberto, Scandroglio Alessandro, Riboldi Carlo E. D., Bernardini Giovanni, Redaelli Matteo, Riviello Luca, Gennaretti Massimo, Trainelli Lorenzo   +7 more
core   +1 more source

Polarity‐Reversible Photoresponse–Driven Autonomous Wavelength Discrimination in Quantum Dot–Tellurium Thin‐Film Photodetectors via Engineered Energy‐Band Alignment

Advanced Functional Materials, EarlyView.
A quantum dot–tellurium thin‐film photodetector autonomously discriminates visible and infrared wavelengths through polarity‐reversible photoresponses. Engineered carrier separation and gain modulation enable filter‐free multispectral sensing within a single‐device architecture.
Yong Min Lee, Jungho Kim, Hyung Jin Choi, Woosik Kim, Byung Ku Jung, Young Kyun Choi, Taesung Park, Soong Ju Oh   +7 more
wiley   +1 more source

Development and implementation of EcoDecibel: A low-cost and IoT-based device for noise measurement

Ecological Informatics
Background: Noise pollution is a growing concern for public health and the environment. Traditional noise monitoring methods often have limitations due to short-term measurements and high costs.
Ling-Jyh Chen, Sakshi Saraswat, Fu-Shiang Ching, Chih-Yi Su, Hsin-Lan Huang, Wen-Chi Pan   +5 more
doaj   +1 more source

A Digital Signal Processor Based Acoustic Sensor for Outdoor Noise Monitoring in Smart Cities. [PDF]

Sensors (Basel), 2020
López JM, Alonso J, Asensio C, Pavón I, Gascó L, de Arcas G.   +5 more
europepmc   +1 more source

Overview of Research on the Effects of Noise on Wildlife

, 2001
It is widely acknowledged that there is need to assess the influence of noise on animals, but overall, there has been relatively limited research undertaken in these fields; and the scientific evidence addressing the issue of human noise and wildlife is ...
Brown, Lex
core  

Nationwide noise mapping across Sweden's green landscape

This research project presents a mapping of noise levels in green areas across all of Sweden, with a particular emphasis on nature reserves, national parks, and other recreational spaces.
Lindqvist, Magnus,, Rosengren, Erik,, Ögren, Mikael,, Friman, Manne,, Gustafson, Andreas,, Persson, Sara,   +5 more
core   +1 more source

3D Printing Innovations in Polymeric Porous and Patterned Architecture

Advanced Functional Materials, EarlyView.
Polymeric foams occupy a unique structural space between dense solids and open networks, where engineered void fraction governs mechanical compliance, thermal resistance, and mass transport. Additive manufacturing now enables precise spatial control over cellular architecture, unlocking designer foam structures across applications spanning crash ...
Dhanush Patil, Sri Vaishnavi Thummalapalli, Clarissa Westover, Arunachalam Ramanathan, M. Taylor Sobzcak, Roumika Patil, Qixuan Xiang, Tiantian Li, Sui Yang, Timothy E. Long, Hongyue Sun, Xianqiao Wang, Yang Liu, Kenan Song   +13 more
wiley   +1 more source

Predictors of Speech-in-Noise Understanding in a Population of Occupationally Noise-Exposed Individuals

Biology
Understanding speech in noise is particularly difficult for individuals occupationally exposed to noise due to a mix of noise-induced auditory lesions and the energetic masking of speech signals.
Guillaume Andéol, Nihaad Paraouty, Fabrice Giraudet, Nicolas Wallaert, Vincent Isnard, Annie Moulin, Clara Suied   +6 more
doaj   +1 more source

Determination of sound power levels of a small UAS during flight operations

, 2016
Unmanned Aircraft Systems (UASs), also called Unmanned Aerial Vehicles (UAVs), have mostly found military applications, but also are increasingly finding uses in civil applications, such as search and rescue operations, 3D mapping, environments ...
Giordano, Giovanna, Iannace, Gino, Papa, Umberto, Del Core, Giuseppe   +3 more
core  

Influence of ear canal occlusion and air-conduction feedback on speech production in noise [PDF]

, 2014
Millions of workers are exposed to high noise levels on a daily basis. The primary concern for these individuals is the prevention of noise-induced hearing loss, which is typically accomplished by wearing of some type of personal hearing protector ...
Byrne, David
core