Results 91 to 100 of about 33,221 (289)

Mechanochromism of Glassy Polymers Enabled by a Loop‐Forming Supramolecular Mechanophore

open access: yesAdvanced Functional Materials, EarlyView.
The supramolecular mechanophore LOOP is covalently introduced into glassy polymers, capable of reporting force‐induced pre‐failure damage and local fracture events in polymer glasses. Under different mechanical deformation modes, including grinding, tensile stretching, and scratching, LOOP probes irreversible events in polymer glasses through a ...
Linlin Deng   +6 more
wiley   +1 more source

Transmission of 10 Gbps C-band-signal-based Radio Over Fiber for Next Generation Communication Systems

open access: yesJournal of Telecommunications and Information Technology
Rapid development of 5G networks encourages researchers to improve the radio-over-fiber (RoF) technique in order to reach 10 Gbps data transmission rates, to increase bandwidth and range, while reducing latency and implementation cost.
Hasan k. Al Deen, Haider J. Abd
doaj   +1 more source

Direct Wideband Coherent Localization by Distributed Antenna Arrays

open access: yesSensors, 2019
We address wideband direct coherent localization of a radio transmitter by a distributed antenna array in a multipath scenario with spatially-coherent line-of-sight (LoS) signal components.
Nenad Vukmirović   +3 more
doaj   +1 more source

Parallel 3D Bioprinting on SLIPS‐Microarrays

open access: yesAdvanced Functional Materials, EarlyView.
This work introduces the first truly parallel 3D bioprinting method, enabling both the simultaneous fabrication of hundreds of cell laden hydrogel 3D structures and their HTS in individual liquid compartments. By integrating Digital Light Processing (DLP) stereolithography with functional micropatterns, the platform decouples printing time from array ...
Julius von Padberg   +3 more
wiley   +1 more source

Bandwidth Compression Protection Against Collapse in Fog-Based Wireless and Optical Networks

open access: yesIEEE Access, 2018
Due to the promotion of cloud computing and the massive access of mobile Internet, the cloud radio access network has become a promising solution for the mobile network in 5G communication system.
Hui Yang   +6 more
doaj   +1 more source

RL-SARSA Machine Learning Based Analog Radio over Fiber System

open access: yes, 2019
We propose a 10-Gb/s 64-quadrature amplitude modulation (QAM) signal-based Radio over Fiber (RoF) system for 50 km of standard single mode fiber length which utilizes Reinforcement Learning (RL) SARSA based decision method to indicate an effective decision which mitigates nonlinearity.
openaire   +2 more sources

Wireless ICS Training Platform [PDF]

open access: yes, 2019
Indiana University - Purdue University IndianapolisEssential public services, such as Electric, Water and Gas Utilities, are becoming increasingly reliant on network connected devices to control their processes. Wireless control systems are becoming more
Cassandra Boman, Nick Pohlman
core  

Photon Avalanching Nanoparticles: The Next Generation of Upconverting Nanomaterials?

open access: yesAdvanced Functional Materials, EarlyView.
This Perspective outlines the mechanistic foundations that enable photon‐avalanche (PA) behavior in lanthanide nanomaterials and contrasts them with emerging application spaces and forward‐looking design strategies. By bridging threshold engineering, energy‐transfer dynamics, and materials engineering, we provide a coherent roadmap for advancing the ...
Kimoon Lee   +7 more
wiley   +1 more source

Dispensing Volumetric Additive Manufacturing

open access: yesAdvanced Functional Materials, EarlyView.
Dispensing volumetric additive manufacturing (DVAM) prints 3D structures inside a photocurable resin droplet suspended from the tip of a glass pipette, enabling sequential printing without resin vats or manual part removal. Real‐time droplet profiling and ray‐tracing‐based correction compensate for optical distortion at the curved resin‐air interface ...
Hongryung Jeon   +5 more
wiley   +1 more source

Analog Radio-over-Fiber Fronthaul by a WDM-PON employing Double RSOA Self-Seeding and Carrier-Reuse Techniques

open access: yesJournal of Microwaves, Optoelectronics and Electromagnetic Applications
WDM-PON has been considered a promising solution for future fronthaul links concerning new mobile networks applications. However, in order to avoid inventory problems and reduce operation costs, there is a need for colorless sources, where the same basic
Adelcio M. Souza   +3 more
doaj   +1 more source

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