Results 131 to 140 of about 1,876,985 (311)

Results of the 1986 NASA/FAA/DFVLR main rotor test entry in the German-Dutch wind tunnel (DNW) [PDF]

An acoustics test of a 40%-scale MBB BO-105 helicopter main rotor was conducted in the Deutsch-Niederlandischer Windkanal (DNW). The research, directed by NASA Langley Research Center, concentrated on the generation and radiation of broadband noise and ...
Brooks, Thomas F., Martin, Ruth M.
core   +1 more source

Hippocampal subfield differences in people with and without recreational ketamine use: Insights from multi‐modal neuroimaging

Addiction, EarlyView.
Abstract Background and aims Recreational ketamine use has increased globally and is associated with psychiatric and cognitive concerns. The hippocampus in preclinical models shows damage and working‐memory disruption with repeated dosing. However, whether specific hippocampal subregions may differ in people with chronic ketamine use remains unclear ...
Yi‐Hsuan Liu, Chia‐Chun Hung, Marc N. Potenza, Kun‐Hsien Chou, Pei‐Lin Lee, Chu‐Chung Huang, Chiang‐Shan R. Li, Tony Szu‐Hsien Lee, Ching‐Po Lin   +8 more
wiley   +1 more source

Noise-induced Hearing Loss: Continuous versus Impact/impulse Noise

International Journal of Preventive Medicine
Abstract Background: Impact/impulse and continuous noise are two main causes of noise-induced hearing loss (NIHL) in workplaces. The aim of this study was to compare the effects of impulse/impact noise and continuous noise on hearing status.
Mohammad Hossein Davari, Mohammad Taghi Jalalian, Seyyed Jalil Mirmohammadi, Ahmad Shojaoddiny-Ardekani, Mojgan Piri Ardakani, Amir Houshang Mehrparvar   +5 more
openaire   +3 more sources

Prediction of blade-vortex interaction noise from measured blade pressure [PDF]

The impulsive nature of noise due to the interaction of a rotor blade with a tip vortex is studied. The time signature of this noise is calculated theoretically based on the measured blade surface pressure fluctuation of an operational load survey rotor ...
Nakamura, Y.
core   +1 more source

Substance‐related intrusive memories in cocaine use disorder are different from but associated with craving

Addiction, EarlyView.
Abstract Background and aims Cocaine use disorder (CUD) is a significant global health concern, characterized by persistent craving despite severe consequences. Recent theories highlight maladaptive memory processes – such as intrusive, vivid recollections of past substance use that arise spontaneously in daily life – as key contributors to craving and
Amelie Zacher, Lina Dietiker, Victoria Häffner, Francesco Bavato, Birgit Kleim, Boris B. Quednow   +5 more
wiley   +1 more source

UNet-INSN: Self-Supervised Algorithm for Impulsive Noise Suppression in Power Line Communication

Applied Sciences
Impulsive noise suppression plays a crucial role in enhancing the reliability of power line communication (PLC). In view of the rapid advancement of deep learning methodologies, recently, studies on deep learning-based impulsive noise suppression have ...
Enguo Zhu, Yi Ren, Ran Li, Shuiqing Ouyang, Yang Ma, Ximin Yang, Guojin Liu   +6 more
doaj   +1 more source

Individual differences in empathy‐related responses in early childhood: A person‐centred approach

British Journal of Developmental Psychology, EarlyView.
Abstract Empathy is vital for social development in early childhood. This study investigates the empathy‐related behaviours of 362 German and Canadian children (49.72% girls) aged 3 to 6 years (M = 60.65 months; SD = 11.43 months), focusing on responses to emotional distress.
Johannes Bullinger, Natalie Christner, Radu Urian, Christina M. Kellermann, Seleste Beaulieu, Nikolaus Steinbeis, Kristen A. Dunfield, Markus Paulus   +7 more
wiley   +1 more source

Modified robust time delay estimation algorithm based on cyclostationarity in impulsive noise

Tongxin xuebao, 2013
The problem of time delay estimation (TDE) for cyclostationary signals in the presence of α-stable distribution impulsive noise and interfering signals was addressed.Since the conventional algorithms based on the second-order cy-clic spectral correlation
Yang LIU, Tian-shuang QIU, Jing-chun LI
doaj   +2 more sources

Advancing-side directivity and retreating-side interactions of model rotor blade-vortex interaction noise [PDF]

Acoustic data are presented from a 40 percent scale model of the four-bladed BO-105 helicopter main rotor, tested in a large aerodynamic wind tunnel.
Elliott, J. W., Martin, R. M., Schultz, K.-J., Splettstoesser, W. R.   +3 more
core   +1 more source

Caregivers' perspectives of support needs for adolescents with fetal alcohol spectrum disorder

Children &Society, EarlyView.
Abstract Research focused on fetal alcohol spectrum disorder (FASD) is often deficit‐focused, limiting a holistic understanding of individuals' support needs. Families of adolescents with FASD also struggle to access appropriate services. Using semi‐structured interviews, the current study explored the perspectives of seven caregivers of adolescents ...
Kelly Skorka, Jodie Copley, Catherine McBryde, Pamela J. Meredith, Natasha Reid   +4 more
wiley   +1 more source