Results 51 to 60 of about 357,435 (354)

n‐Type Polymer Radio Frequency Rectifiers Operating at 18.5 GHz

Advanced Materials, EarlyView.
Combining an n‐doped polymer semiconductor with wafer‐scale asymmetric planar electrodes featuring work function‐engineered contacts yields radio‐frequency diodes and rectifying circuits operating at up to 18.5 GHz. The devices combine scalable manufacturing with an operating frequency previously unattainable by large‐area organic electronics ...
Lazaros Panagiotidis, Filip Aniés, Yiyang Yu, Mohammed Ghadiyali, Hendrik Faber, Zhanibek Bizak, Youssef Kabri, Pavlos Tzourmpakis, Suman Mandal, Linqu Luo, Temur Maksudov, Mohamad Insan Nugraha, Harold F. Mazo‐Mantilla, Patrice Vanelle, Julie Broggi, Khaled N. Salama, Udo Schwingenschlögl, Martin Heeney, Atif Shamim, Thomas D. Anthopoulos   +19 more
wiley   +1 more source

Polar Coding for the Multiple Access Channel With Confidential Messages

IEEE Access, 2020
The multiple access channel with confidential messages (MAC-CM) generalizes the traditional multiple access channel by allowing both users to receive channel outputs.
Haowei Wang, Xiaofeng Tao, Na Li, Huici Wu   +3 more
doaj   +1 more source

A study of a Java based framework for telecommunications services : a dissertation submitted in fulfilment of the requirements for the degree of Master of Science in Computer Science, Massey University, New Zealand [PDF]

, 2000
Additional content held on disk with print copy in Library.In this report, we study some of the general issues surrounding the area of telecommunications service development including the history of telecommunications services, current service creation ...
Ferry, David Ian
core  

Increased Endurance of Nonvolatile Photonics Enabled by Nanostructured Phase‐Change Materials

Advanced Materials, EarlyView.
Tapered and segmented islands of the phase‐change material (PCM) antimony selenide (Sb2Se3) integrated on silicon microring resonators enable ultra‐low‐loss, high‐endurance, non‐volatile photonic tuning. The nanostructured PCM design suppresses interfacial scattering and thermal stress, achieving record endurance over 100 million electrical switching ...
Jayita Dutta, Andrew Tang, Brian Mills, Rui Chen, Arnab Manna, Gokul Nath SJ, Virat Tara, Dennis Callahan, Cosmin Constantin Popescu, Juejun Hu, Arka Majumdar   +10 more
wiley   +1 more source

Interference Mitigation Based on Optimal Modes Selection Strategy and CMA-MIMO Equalization for OAM-MIMO Communications

IEEE Access, 2018
Transmitting multiple independent data streams through the same medium can increase the capacity of line-of-sight-based wireless communication systems. One of the promising approaches is to utilize spatial multiplexing with multiple spatially separated ...
Lei Wang, Fa Jiang, Mingkai Chen, Haie Dou, Guan Gui, Hikmet Sari   +5 more
doaj   +1 more source

Enhancing Stability of Few‐Layer Black Phosphorus (FLBP) Through Nitrocellulose Coating: A Robust Defense Mechanism Against Degradation

Advanced Materials Interfaces, EarlyView.
In this research, a simple and scalable strategy for protection of a few‐layer black phosphorus (FLBP) with a cellulose nitrate‐based material is presented. The FLBP is structurally and morphologically characterized. The FLBP stability with and without nitrocellulose protection is monitored by interferometric method, surface profile examination, and ...
Paweł Jakóbczyk, Michał Suplewski, Jacek Łubiński, Jakub Gierowski, Monika Kosowska, Mirosław Sawczak, Mattia Pierpaoli, Filip Janiak, Małgorzata Szczerska   +8 more
wiley   +1 more source

Exploring the Impact of Teachers’ Verbal Immediacy as an Emotion Mediating Factor on Adult E-learners’ Language Learning

Educational Technology & Society, 2019
This study tries to examine the impact of teachers’ verbal immediacy on e-learners’ emotional states and hence explore the influence of emotions on their language learning performance.
Zi-Gang Ge, Ai-Yang Zhang, Yan-Fei Li, Jing Su   +3 more
doaj  

Noninvasive subterahertz glucose monitoring using a communication inspired eye diagram

Scientific Reports
The global prevalence of diabetes mellitus (DM) continues to rise, highlighting the need for noninvasive, painless continuous blood glucose monitoring to support disease management and reduce long-term complications.
Wonkyoung Lee, Eon Sang Kim, Sooyeon Kim, Heuk Park, Joon Ki Lee, Eunkyeong Baek, Chang Hee Jung, Seung-Hyun Cho   +7 more
doaj   +1 more source

Fabrication Technologies for Soft, Multimaterial Optical Fibers for In Vivo Diagnostics and Phototherapy, With a Focus on Extrusion Printing

Advanced Materials Technologies, EarlyView.
Soft multimaterial optical fibers integrate multiple functionalities—such as waveguiding, side emission, sensing, drug delivery or actuation—into a single filament for wearable, implantable, and tissue‐integrated devices for diagnostics and phototherapy.
Zahra Kafrashian, Jun Feng, Aránzazu del Campo   +2 more
wiley   +1 more source

Sistemas de resumen automático de documentos

Digithum, 2001
La aparición de la WWW y de Internet como red de telecomunicaciones, han cambiado el concepto de lo que se considera información: no está mejor informado quien más datos posee, sino quien dispone de mejores medios para obtener exclusivamente los datos ...
Salvador Climent Roca
doaj   +1 more source