Results 121 to 130 of about 1,896,279 (338)

Multimodal Data‐Driven Microstructure Characterization

Advanced Engineering Materials, EarlyView.
A self‐consistent autonomous workflow for EBSP‐based microstructure segmentation by integrating PCA, GMM clustering, and cNMF with information‐theoretic parameter selection, requiring no user input. An optimal ROI size related to characteristic grain size is identified.
Qi Zhang, Santiago Benito, Özge Özgün, Sebastian Weber, Markus Stricker   +4 more
wiley   +1 more source

Grid-oscillator beam-steering array

Proceedings of IEEE Antennas and Propagation Society International Symposium and URSI National Radio Science Meeting, 2002
Recently Liao and York (see IEEE Trans. Microwave Theory Tech., vol.41, no.10, p.1810, 1993) showed that beam-steering can be achieved by detuning the end elements of a coupled-oscillator array. The advantage of this approach is that no phase shifters are required. Liao and York used a single line array of patch antennas. Here we report the results for
Li, Shijie, Rutledge, David B.
openaire   +2 more sources

Bioinspired Shape‐Memory Hook Fasteners With Programmable Interlocking and Silent Release

Advanced Engineering Materials, EarlyView.
Bioinspired hook fasteners made from epoxy shape‐memory polymers are shown to switch between strong, secure attachment and gentle, silent release when heated. By combining programmable geometry and material response, these adaptive fasteners outperform commercial systems in strength and noise control, enabling new solutions for robotics, medical ...
Maria I. Vallejo Ciro, Manuel J. Carvajal Loaiza, Rahaf Homssi, Vanessa Restrepo   +3 more
wiley   +1 more source

Practicality of electronic beam steering for MST/ST radars, part 6.2A [PDF]

Electronic beam steering is described as complex and expensive. The Sunset implementation of electronic steering is described, and it is demonstrated that such systems are cost effective, versatile, and no more complex than fixed beam alternatives ...
Clark, W. L., Green, J. L.
core   +1 more source

Intermolecular Interactions as Driving Force of Increasing Multiphoton Absorption in a Perylene Diimide‐Based Coordination Polymer

Advanced Functional Materials, EarlyView.
This study uncovers the unexplored role of intermolecular interactions in multiphoton absorption in coordination polymers. By analyzing [Zn2tpda(DMA)2(DMF)0.3], it shows how the electronic coupling of the chromophores and confinement in the MOF enhance two‐and three‐photon absorption.
Simon Nicolas Deger, Anna Mauri, Yang Cui, Sebastian Josef Weishäupl, Ali Deniz Özdemir, Hamad Syed, Aleksandr Ovsianikov, Wolfgang Wenzel, Alexander Pöthig, Jürgen Hauer, Mariana Kozlowska, Roland Augustinus Fischer   +11 more
wiley   +1 more source

Bidirectional high-speed optical wireless communication with tunable large field of view assisted by liquid crystal metadevice

Nanophotonics
Beam-steered infrared (IR) light communication has gained tremendous attention as one of the solutions of congested wireless communication traffic.
Wu Mian, Yang Chao, Gong Yuhan, Wu Lin, Luo Ming, Qiu Ying, Zeng Yongquan, Li Zile, Liu Zichen, Li Chao, Li Hanbing, Xiao Xi, He Zhixue, Zheng Guoxing, Yu Shaohua, Tao Jin   +15 more
doaj   +1 more source

Design and Non-Intrusive Diagnostic of High-Gain Wideband Millimeter-Wave Active Antenna Array With Beam-Steering Capability for 5G Application

IEEE Access
This paper presents a compact, broadband, beam-steerable antenna array designed for 5G millimeter-wave (mmWave) applications and the use of an electro optical field probe for its performance evaluation.
Siyu Su, Behzad Yektakhah, Hussein Shaman, Kamal Sarabandi   +3 more
doaj   +1 more source

Understanding and Optimizing Li Substitution in P2‐Type Sodium Layered Oxides for Sodium‐Ion Batteries

Advanced Functional Materials, EarlyView.
This work explores Li‐substituted P2 layered oxides for Na‐ion batteries by crystallographic and electrochemical studies. The effect of lithium on superstructure orderings, on phase transitions during synthesis and electrochemical cycling and on the interplay of O‐ versus TM‐redox is revealed via various advanced techniques, including semi‐simultaneous 
Mingfeng Xu, Giovanni Gammaitoni, Michael Häfner, Eduardo Villalobos‐Portillo, Carlo Marini, Matteo Bianchini   +5 more
wiley   +1 more source

Grid-Oscillator Beam-Steering Array [PDF]

, 1994
Recently Liao and York (see IEEE Trans. Microwave Theory Tech., vol.41, no.10, p.1810, 1993) showed that beam-steering can be achieved by detuning the end elements of a coupled-oscillator array.
Li, Shijie, Rutledge, David B.
core  

Controlling the path of discretized light in waveguide lattices

, 2011
A general method for flexible control of the path of discretized light beams in homogeneous waveguide lattices, based on longitudinal modulation of the coupling constant, is theoretically proposed.
C. Gómez-Reino, Stefano Longhi
core   +1 more source