Results 71 to 80 of about 38,067 (289)

UWB wireless coexistence by fibre-based photonic ADC interference monitoring [PDF]

open access: yes, 2008
The interference monitoring of UWB wireless picocell clusters through an in-house fibre installation is proposed and evaluated in a proof-of-concept experiment. UWB clusters enable range extension of UWB technology providing Gbit/s communications in home
Beltran, Marta   +3 more
core  

Transparent Perovskite Light‐Emitting Diodes with Conductive Oxide Top Electrodes

open access: yesAdvanced Materials, EarlyView.
Transparent perovskite light‐emitting diodes (TrPeLEDs) enable simultaneous display and transparency, expanding application possibilities. Using a metal oxide buffer layer and pulsed laser deposition, TrPeLEDs with diverse compositions and architectures are demonstrated.
Michele Forzatti   +11 more
wiley   +1 more source

Metamaterial-Inspired Stub-Loaded EBG Structures for Broadband PDN Noise Mitigation in High-Speed PCBs [PDF]

open access: yesEPJ Web of Conferences
Ultra-wideband (UWB) high-speed planar circuits suffer from power/ground noise due to voltage fluctuations, ground bounce, return-path discontinuities, and plane resonances, leading to electromagnetic interference (EMI) and signal integrity (SI ...
Aishwaryaa L. K.   +3 more
doaj   +1 more source

Multifunctional Bio‐Based Packaging for Perishable Foods: Structural Design, Scalable Fabrication, and Versatile Applications

open access: yesAdvanced Materials, EarlyView.
An overview of design principles and scalable fabrication strategies for multifunctional bio‐based packaging. Radiative cooling films, modified‐atmosphere films/membranes, active antimicrobial/antioxidant platforms, intelligent optical/electrochemical labels, and superhydrophobic surfaces are co‐engineered from material chemistry to mesoscale structure
Lei Zhang   +6 more
wiley   +1 more source

A Statistical Analysis of Multipath Interference for Impulse Radio UWB Systems

open access: yes, 2014
In this paper, we develop a statistical characterization of the multipath interference in an Impulse Radio (IR)-UWB system, considering the standardized IEEE 802.15.4a channel model.
Azou, Stéphane   +3 more
core   +2 more sources

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

open access: yesAdvanced 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   +10 more
wiley   +1 more source

Modulated Radio Frequency Stealth Waveforms for Ultra-Wideband Radio Fuzes

open access: yesEntropy
The increasingly complex electromagnetic environment of modern warfare and the proliferation of intelligent jamming threaten to reduce the survival rate of radio fuzes on the battlefield.
Kaiwei Wu   +4 more
doaj   +1 more source

Novel wireless modulation technique based on noise [PDF]

open access: yes, 2004
In this paper, a new RF modulation technique is presented. Instead of using sinusoidal carriers as information bearer, pure noise is applied. This allows very simple radio architectures to be used.
Bekkaoui, A.   +4 more
core   +1 more source

A Genetic Algorithm Based Finger Selection Scheme for UWB MMSE Rake Receivers

open access: yes, 2005
Due to a large number of multipath components in a typical ultra wideband (UWB) system, selective Rake (SRake) receivers, which combine energy from a subset of multipath components, are commonly employed.
Chiang, Mung   +3 more
core   +2 more sources

Neuromorphic Electronics for Intelligence Everywhere: Emerging Devices, Flexible Platforms, and Scalable System Architectures

open access: yesAdvanced Materials, EarlyView.
The perspective presents an integrated view of neuromorphic technologies, from device physics to real‐time applicability, while highlighting the necessity of full‐stack co‐optimization. By outlining practical hardware‐level strategies to exploit device behavior and mitigate non‐idealities, it shows pathways for building efficient, scalable, and ...
Kapil Bhardwaj   +8 more
wiley   +1 more source

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