Results 171 to 180 of about 2,797,043 (365)
A millimetre wave phase shifter using a 40GHz hybrid mode locked laser [PDF]
, 2008 In this paper, electrical injection locking of a modelocked laser is used to create a millimetre wave phase shifter. The phase shift is measured directly using a vector network analyzer enabling straightforward characterization of such systems.
Martin J. Cryan +3 more
core +1 more source
Advanced Engineering Materials, EarlyView.This article presents an experimental and numerical modal investigation of composite sandwich structures using surfboards as model systems. By comparing different core materials and reinforcement strategies, the study demonstrates how local stiffeners influence vibrational response and introduce characteristic modal features, highlighting modal ...
Brett Connellan +4 more
wiley +1 more source
Advanced Engineering Materials, EarlyView.Sol–gel‐derived ZnO–rGO hybrid nanoparticles enable Al7075 powder‐metallurgy composites to achieve concurrent gains in hardness and thermal conductivity while markedly lowering friction and wear. The hybrid architecture couples ZnO‐based load support with rGO‐assisted lamellar sliding and heat spreading, revealing a promising route toward lightweight ...
Bunyamin Aksakal +3 more
wiley +1 more source
MIOS: Millimeter Wave Radiometers for the Space-Based Observation of the Sun [PDF]
, 2012 A millimeter-wave observation of solar flares directly from outside the Earth’s atmosphere (i.e., space-based) has never been attempted yet. Nonetheless, this methodology could open several interesting perspectives.
ALIMENTI, Federico +4 more
core
International Journal of Antennas and Propagation, 2015 We present the design, simulation, and measurement of a polarization-independent and angle-insensitive metamaterial absorber (MA) in X-band. Since the unit cell of the MA consists of four subwavelength split-ring resonators with 4-fold symmetric rotation,
Jia-Qi Feng +9 more
doaj +1 more source
A Practical Noise2Noise Denoising Pipeline for High‐Throughput Raman Spectroscopy
Advanced Engineering Materials, EarlyView.A lightweight and reproducible denoising pipeline for high‐throughput Raman spectroscopy is introduced, based on a 1D convolutional autoencoder trained with a Noise2Noise strategy. Using only repeated short‐exposure acquisitions, the method suppresses stochastic noise without reference spectra, enabling reliable spectral reconstruction while preserving
David Martin‐Calle +5 more
wiley +1 more source
Millimeter-wave interference avoidance via building-aware associations [PDF]
, 2018 Millimeter-wave interference avoidance via building-aware ...
S Kim (4108558) +5 more
core
Advanced Engineering Materials, EarlyView.During creep of a single‐crystal Ni‐based superalloy, the overall crystal orientation is observed to remain constant while the microstructure evolves. Despite the lack of macroscopic rotation, small (<1°) rotations are observed on the submicron size scale and are accommodated by counteracting rotations over the scale of several micrometers.
E. J. Payton +3 more
wiley +1 more source
New Nonlinear Modeling Techniques for Microwave and Millimeter-wave Circuit Design [PDF]
, 2008 Wireless and mobile telecommunication applications in the lower microwave frequency range have become commonplace. To be able to offer higher data rates to the demanding market, research is gradually focusing towards millimeter wave frequencies.
VANNINI, Giorgio +5 more
core
Advanced Engineering Materials, EarlyView.Deep‐UV (258 nm) femtosecond pulses enable uniform amorphous silicon writing on Si(100)/(111) with a six‐fold larger fluence amorphization window than NIR methods. Optimized fluence and overlap yield 20–45 nm uniform and continuous amorphous layers. Microscopy shows sharp interfaces, and real‐time reflectivity reveals nanosecond melt–resolidification ...
Wissal Benali +5 more
wiley +1 more source