Results 31 to 40 of about 68,738 (219)

Advanced Surface Engineering and Passivation Strategies of Quantum Dots for Breaking Efficiency Barrier of Clean Energy Technologies: A Comprehensive Review

open access: yesAdvanced Functional Materials, EarlyView.
This review describes the different surface engineering strategies for quantum dots that addresses the challenges associated with surface defects, highlighting their role in enhancing the performance of solar energy conversion technologies. Abstract Colloidal quantum dots (QDs) have garnered significant attention for their unique potential in clean ...
Kokilavani S., Gurpreet Singh Selopal
wiley   +1 more source

Radio frequency optimization of a Global System for Mobile (GSM) network [PDF]

open access: yes, 2008
Includes bibliographical ...
Sharma, Bishal
core  

Experiences modelling and using object-oriented telecommunication service frameworks in SDL [PDF]

open access: yes, 1999
This paper describes experiences in using SDL and its associated tools to create telecommunication services by producing and specialising object-oriented frameworks.
Brugali   +12 more
core   +1 more source

Design and Applications of Multi‐Frequency Programmable Metamaterials for Adaptive Stealth

open access: yesAdvanced Functional Materials, EarlyView.
This article provides a comprehensive overview of metamaterials, including their fundamental principles, properties, synthesis techniques, and applications in stealth, as well as their challenges and future prospects. It covers topics that are more advanced than those typically discussed in existing review articles, while still being closely connected ...
Jonathan Tersur Orasugh   +4 more
wiley   +1 more source

Near‐Sensor Analog Computing via Monolithic 3D Piezoelectric Sensor–FeFET for Tactile Sensing System

open access: yesAdvanced Functional Materials, EarlyView.
A monolithic 3D‐integrated tactile system combines a piezoelectric sensor and ferroelectric field‐effect transistor (FeFET) to process both static and dynamic pressure signals directly at the sensor node. The system enables in‐sensor analog noise filtering with multi‐level memory states, achieving high sensitivity and ultra‐low power operation (≈10 nW),
Woongjin Kim   +6 more
wiley   +1 more source

Analysis of ITU-R Performance and Characterization of Ku Band Satellite Downlink Signals during Rainy Season over Chennai Region of India [PDF]

open access: yes, 2013
In this paper, we present the analysis of Ku band Satellite signal reception during rainy season over Chennai region, India (Latitude: 12° 56' 60 N, Longitude: 80° 7' 60 E).
Madhan, M. G.   +3 more
core   +1 more source

Ultra-stable long distance optical frequency distribution using the Internet fiber network

open access: yes, 2012
We report an optical link of 540 km for ultrastable frequency distribution over the Internet fiber network. The stable frequency optical signal is processed enabling uninterrupted propagation on both directions.
Adil Haboucha   +30 more
core   +2 more sources

Advancing from MOFs and COFs to Functional Macroscopic Porous Constructs

open access: yesAdvanced Materials, EarlyView.
This review study investigates the recent progress and methodologies for manufacturing metal–organic framework (MOF) or covalent–organic framework (COF)‐based 3D structured macroscopic porous constructs with high structural integrity, providing the possibility to control their porosity across dimensions.
Seyyed Alireza Hashemi   +8 more
wiley   +1 more source

A sustainable village phone model to serve the rural developing world [PDF]

open access: yes, 2008
Wireless technologies have created an unprecedented opportunity for rural customers in the developing world to solve their communication and information problems in an instantaneous, interactive and customized way. The framework of the study focuses on
Akter, Shahriar   +2 more
core  

Power consumption modeling in optical multilayer networks [PDF]

open access: yes, 2012
The evaluation of and reduction in energy consumption of backbone telecommunication networks has been a popular subject of academic research for the last decade.
Colle, Didier   +5 more
core   +2 more sources

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