Results 141 to 150 of about 1,512,339 (290)

Spatial Characterization of Radio Propagation Channel in Urban Vehicle-to-Infrastructure Environments to Support WSNs Deployment. [PDF]

Sensors (Basel), 2017
Granda F, Azpilicueta L, Vargas-Rosales C, Lopez-Iturri P, Aguirre E, Astrain JJ, Villandangos J, Falcone F.   +7 more
europepmc   +1 more source

Colorado Research and Prediction Laboratory Report Series D, Number 23

, 1946
Monthly publication forecasting radio propagation world-wide presenting monthly average maximum usable frequencies in charts with narrative explanations.
Central Radio Propagation Laboratory (U.S.)
core  

Low‐Flicker‐Noise MoS2 Transistors Enabled by High‐κ Rare‐Earth Oxychlorides for Mixed‐Signal Electronics

Advanced Functional Materials, EarlyView.
Single‐crystalline LaOCl and GdOCl form atomically abrupt, Cl‐terminated interfaces with MoS2, enabling near‐ideal switching and suppressed flicker noise. Carrier‐number‐fluctuation analysis yields effective noise‐derived interface trap densities of 1.15–1.94 × 1010 cm−2 eV−1, approaching hexagonal boron nitride levels with high‐κ coupling.
Chanho Lee, Changwoo Pyo, Seungchan Lee, Juho Son, Yoongi Cho, Jiho Shin, Sungmoon Park, Sungjin Kim, Changmin An, Heein Yoon, Myungsoo Kim   +10 more
wiley   +1 more source

Radio propagation modeling and measurement of uneven terrain model. [PDF]

Sci Rep
Soo QP, Lim SY, Chee PS, Lim EH, Yap KM.
europepmc   +1 more source

Empirical radio propagation model for DTV applied to non-homogeneous paths and different climates using machine learning techniques. [PDF]

PLoS One, 2018
Gomes IR, Gomes CR, Gomes HS, Cavalcante GPDS.   +3 more
europepmc   +1 more source

Impact of elevated atmospheric structures upon radio-refractivity and propagation

, 2002
Copyright © 2002 by the National Committee for Radio Science.Analysis of radiosonde data simultaneously acquired from widely separated Australian ground stations on 13 March 2001 indicates that a typical subsidence duct created by the motion of a high ...
Vincent, R., Kulessa, A., Hermann, J., Lucas, C., Ewenz, C., Hacker, J.   +5 more
core  

Microfluidic Architecting of Patchy MXene Core‐Shell Particles for Ultralow‐Loading Photothermal Shape‐Memory Actuation

Advanced Functional Materials, EarlyView.
Spatially distributing Ti3C2Tx nanosheets into core‐shell architecture, rather than as directly dispersed flakes, mitigates aggregation and enhances photon harvesting. When the Ti3C2Tx core‐shell particles are incorporated into a shape‐memory polymer matrix at an ultralow loading of 0.0024 wt%, the improved photothermal conversion translates into ...
May Maung Zaw, Maxim M. Trubyanov, Qian Wang, Siyu Chen, Hongyi Chen, Keyu Chen, Hongbin Sun, Muthu Vignesh Vellayappan, Xiaoying Qi, Sharon Mui Ling Nai, Kostya S. Novoselov, David W. Rosen, Daria V. Andreeva   +12 more
wiley   +1 more source

Analysis and modeling of radio propagation fading characteristics in tunnel construction. [PDF]

Heliyon
You YS, Jing LJ, Yang QH, Shen Z.
europepmc   +1 more source

Digitally Printed Eco‐Friendly Electronic Devices

Advanced Functional Materials, EarlyView.
Fabrication of electronics using eco‐friendly materials through digital printing routes is a promising strategy for improving life cycle sustainability and reducing the environmental impacts of conventional manufacturing. This review highlights state‐of‐the‐art eco‐friendly materials, green ink formulations, various resource‐efficient digital printing ...
Nitheesh M. Nair, Mikel Rincón‐Iglesias, Cristian Mendes‐Felipe, Fatemeh Etehadi, Senentxu Lanceros‐Méndez, Gerardo Hernandez‐Sosa   +5 more
wiley   +1 more source

Radio Propagation in Curved Road Tunnels [Elektronisk resurs]

, 1998
This report investigates radio propagation in curved road tunnels at a mobile communications frequency of 925 MHz. This is done by comparing simulations with measurements taken in Norwegian road tunnels.
Beckman, Claes,, Jesper, Slettenmark, Martin, Nilsson   +2 more
core