Results 31 to 40 of about 1,105 (131)

(Remembering) Vector Coding of Boundaries and Objects in the Subiculum

Hippocampus, Volume 36, Issue 2, March 2026.
ABSTRACT This review offers a personal and historical perspective on spatial representations of the local environment in hippocampal regions CA1 and subiculum, as derived from extracellular electrophysiological recording of neurons in these regions in freely behaving rodents.
Colin Lever
wiley   +1 more source

Demonstration of 3D‐Printed Optical Antennas for High‐Speed Optical Wireless Communication Using Market‐Ready Materials

Advanced Materials Technologies, Volume 11, Issue 1, 8 January 2026.
The feasibility of 3D‐printed optical antennas using commercial, non‐optical materials for Optical Wireless Communications (OWC) is demonstrated. This study combines spectral analysis, anisotropy effects, and telecom‐relevant optical measurements, revealing promising performance and novel insights for low‐cost, customizable photonic components in ...
Mauro Aresti, Marco Meucci, Paolo Foggi, Caterina Credi, Satoshi Iketani, Cristiana Lofrumento, Jacopo Catani   +6 more
wiley   +1 more source

PSO Algorithm on PAPR Reduction Performance of Asymmetrically Clipped Optical‐OFDM

Applied Computational Intelligence and Soft Computing, Volume 2026, Issue 1, 2026.
This research presents a novel hybrid optimization framework combining artificial neural networks (ANN) and particle swarm optimization (PSO) to mitigate the high peak‐to‐average power ratio (PAPR) in asymmetrically clipped optical‐orthogonal frequency division multiplexing (ACO‐OFDM) systems. While conventional PTS effectively reduces PAPR, it suffers
Hermansyah Alam, Anuar Mat Safar, Norizan Mohamed Nawawi, Mohd Nordin Junita, Aymen Abdalmunam Hameed, Ridha Ejbali   +5 more
wiley   +1 more source

Identity‐Enabled CDMA LiDAR for Massively Parallel Ranging with a Single‐Element Receiver

Laser &Photonics Reviews, Volume 19, Issue 23, December 3, 2025.
A novel LiDAR system integrates CDMA modulation with a single‐element detector to achieve massive channel parallel 3D imaging. By using a user identification code and a correlation‐based feedback loop, it overcomes signal collisions and the near‐far problem.
Yixiu Shen, Zi Heng Lim, Guangya Zhou
wiley   +1 more source

Gear wear process monitoring using acoustic signals [PDF]

, 2014
Airborne acoustic signals contain valuable information from machines and can be detected remotely for condition monitoring. However, the signal is often seriously contaminated by various noises from the environment as well as nearby machines.
Gu, Fengshou, Ball, Andrew, Zhen, Dong, Ahmaida, Anwar   +3 more
core  

Nonlinear Electron Interactions With Intense VLF Waves From Transmitters

Journal of Geophysical Research: Space Physics, Volume 130, Issue 12, December 2025.
Abstract The impact on electron lifetimes of nonlinear interactions with the most intense very low frequency (VLF) waves from transmitters has hitherto been neglected in radiation belt codes. Here, we show the presence of a small population of intense wave packets, originating from ground‐based VLF transmitters and reaching 10 mV/m around the magnetic ...
Didier Mourenas, Xiao‐Jia Zhang, Sergei Kamaletdinov, Anton V. Artemyev, Yangyang Shen, Qianli Ma   +5 more
wiley   +1 more source

Imaging the Shallow Structure Beneath Askja Volcano, Iceland, With Ambient Noise Tomography

Journal of Geophysical Research: Solid Earth, Volume 130, Issue 12, December 2025.
Abstract Askja is a large central volcano in the Northern Volcanic Zone (NVZ) of Iceland which last erupted effusively in 1961 and subsequently experienced steady deflation from the 1970s until August 2021, when GPS and InSAR measurements confirmed that it had begun re‐inflating.
Joseph Fone, Tom Winder, Nicholas Rawlinson, Robert White, Bryndís Brandsdóttir, Heidi Soosalu   +5 more
wiley   +1 more source

Fennel Tea Has a Region‐Specific Effect on the Motility of the Stomach

Neurogastroenterology &Motility, Volume 37, Issue 12, December 2025.
Fennel tea has a region‐specific effect on the stomach motility. It relaxes the fundus and the corpus and acts pro‐motility in the antrum. The store operated Ca2+ entry blocker SKF‐96365 hampers the spasmolytic effect of fennel tea in the fundus and corpus. The image was created using Biorender.
Anita Annahazi, Birgit Kuch, Lejla Ridzal, Nooshin Mansouri, Ida Hosni, Michael Schemann   +5 more
wiley   +1 more source

Modelado y simulación de un esquema de modulación espacial adaptativa para la optimización del ancho de banda efectivo sobre luz visible (VLC), utilizando dispositivos de estado sólido para la iluminación (SSL) [PDF]

, 2021
graficas, tablasThis thesis presents an investigation of the different formats and modulation methods used in Optical Wireless Communications (OWC), specifically in Visible Light Communications (VLC), using solid-state lighting devices (SSL).
Henao Ríos, José León
core  

Vision at high latitudes: High sensitivity without specific boreal adaptations in photoreception in reindeer (Rangifer tarandus L.)

Functional Ecology, Volume 39, Issue 10, Page 2573-2587, October 2025.
Read the free Plain Language Summary for this article on the Journal blog. Abstract The light climate at high latitudes, in particular the extended twilight of winter and the reduced diel variation in light level in midsummer and midwinter, potentially constrains visual function and the synchronisation of temporal organisation in polar species. In this
Nicholas J. C. Tyler, Robert A. E. Fosbury, David Hazlerigg, Christopher Hogg   +3 more
wiley   +1 more source