Results 61 to 70 of about 2,652,848 (287)

Bioinspired Adaptive Sensors: A Review on Current Developments in Theory and Application

open access: yesAdvanced Materials, EarlyView.
This review comprehensively summarizes the recent progress in the design and fabrication of sensory‐adaptation‐inspired devices and highlights their valuable applications in electronic skin, wearable electronics, and machine vision. The existing challenges and future directions are addressed in aspects such as device performance optimization ...
Guodong Gong   +12 more
wiley   +1 more source

Orbital angular momentum mode recognition under ocean turbulence channel by DCNN-RF model based on Adma optimization

open access: yesResults in Physics
Gaussian beam carries orbital angular momentum with infinite Hebert space distribution, which is expected to realize large-capacity and long-distance transmission of underwater wireless optical communication.
Xiaoji Li   +3 more
doaj   +1 more source

Dual Function System With Shared Spectrum Using FMCW

open access: yesIEEE Access, 2018
Although an automotive radar system tends to be practical presently, it still needs to set up an extra device to achieve communication for vehicle. Considering system complexity and equipment costs, the research on automotive radar and communication ...
Chao Yang   +3 more
doaj   +1 more source

Thermodynamic Limits to Molecular Doping in Conjugated Polymers: A Perspective on Phase Behavior and Miscibility

open access: yesAdvanced Materials, EarlyView.
Molecular doping of conjugated polymers is fundamentally constrained by thermodynamic phase behavior. This Perspective reframes doping efficiency and stability in terms of miscibility limits, binodals, and solvus boundaries, highlighting the role of effective interaction parameters and charge transfer.
Somayeh Kashani   +10 more
wiley   +1 more source

Spectrum sharing models in cognitive radio networks [PDF]

open access: yes, 2011
Spectrum scarcity demands thinking new ways to manage the distribution of radio frequency bands so that its use is more effective. The emerging technology that can enable this paradigm shift is the cognitive radio.
Rifà Pous, Helena, Rifà Coma, Josep
core  

Cognitive radio sensor networks

open access: yesIEEE Network, 2009
Dynamic spectrum access stands as a promising and spectrum-efficient communication approach for resource-constrained multihop wireless sensor networks due to their event-driven communication nature, which generally yields bursty traffic depending on the event characteristics.
Akan, Ozgur B.   +2 more
openaire   +5 more sources

Organic Materials of Tomorrow: Horizons of Artificial Intelligence

open access: yesAdvanced Materials, EarlyView.
This review examines machine learning techniques accelerating the discovery of organic semiconductors by linking molecular structure to properties. Key methods include graph neural networks, generative models, and active learning. Applications to organic photovoltaics demonstrate practical impact.
Harold Mena   +3 more
wiley   +1 more source

Analytical evaluation of adaptive-modulation-based opportunistic cognitive radio in Nakagami-m fading channels [PDF]

open access: yes, 2012
The performance of adaptive modulation for cognitive radio with opportunistic access is analyzed by considering the effects of spectrum sensing, primary user (PU) traffic, and time delay for Nakagami- m fading channels.
Khan, Fahdahmed   +4 more
core   +1 more source

Assessing random forest performance in low resource speech emotion recognition

open access: yesScientific Reports
In human-computer interaction (HCI), speech emotion recognition (SER) is a pivotal technology that enables machines to decipher human emotions. This study delves into the efficacy of employing a random forest (RF) classifier for SER within Urdu speech, a
Muhammad Adeel   +4 more
doaj   +1 more source

Cognitive radio application for vehicular ad hoc networks (VANETS) [PDF]

open access: yesTehnika, 2016
This paper presents the application of cognitive radio technology in vehicular ad-hoc networks aimed to improve the communications between vehicles themselves as well as between vehicles and roadside infrastructure.
Miladić Suzana D.   +2 more
doaj   +1 more source

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