Results 51 to 60 of about 240,975 (314)

CMA and soft decision-directed scheme for semi-blind beamforming of QAM systems [PDF]

open access: yes, 2008
We propose a semi-blind adaptive beamforming approach for wireless systems that employ high-throughput quadrature amplitude modulation signalling schemes.
W. Yao   +5 more
core   +1 more source

Double-Node-Upset Fully-Tolerant/Recoverable and Triple-Node-Upset Partially-Tolerant Self-Recoverable Latch Design for Aerospace Applications

open access: yesIEEE Access
Due to the continuous scaling down of transistor size in integrated circuits, sensitive nodes are becoming increasingly vulnerable to node upset, especially in aerospace, because of their high radiation environment.
Urmila Saha   +3 more
doaj   +1 more source

Improved Method for Distributed Parameter Model of Solenoid Valve Based on Kriging Basis Function Predictive Identification Program

open access: yesActuators, 2021
In this paper, a method for the improvement of the calculation accuracy of the distributed parameter model (DPM) of electromagnetic devices is proposed based on the kriging basis function predictive identification program (PIP).
Jiaxin You   +4 more
doaj   +1 more source

Incorporation of Selenium into Sol–Gel‐Derived Bioactive Glass: Influence on Glass Structure, Bioactivity, and its Selective Cytotoxicity

open access: yesAdvanced Engineering Materials, EarlyView.
Selenium was incorporated into a sol–gel‐derived bioactive glass to enable sustained therapeutic ion release. The selenium‐containing glass preserved bioactivity while selectively inducing cytotoxicity in osteosarcoma cells and maintaining osteoblastic viability.
Breno Rocha Barrioni   +7 more
wiley   +1 more source

Minimum symbol error rate turbo multiuser beamforming aided QAM receiver [PDF]

open access: yes, 2008
This paper studies a novel iterative soft interference cancellation (SIC) aided beamforming receiver designed for high-throughput quadrature amplitude modulation systems communicating over additive white Gaussian noise channels.
Chen, Sheng, Tan, S, Hanzo, L
core  

Development of a Measuring Method of Cosmic-Ray Muon Momentum Distribution Using Drift Chambers [PDF]

open access: yesJournal of Radiation Protection and Research
Background Soft errors in semiconductor devices caused by cosmic rays have been recognized as a significant threat to the reliability of electronic devices on the ground.
Naoto Nakagami   +4 more
doaj   +1 more source

Nonlinear voltage error analysis and control of resonant high precision converter

open access: yesEnergy Reports, 2023
The current nonlinear distortion of power converter can cause motion trajectory error and positioning error of motor, and affect the nano motion and positioning accuracy of ultra-precision system.
Jian Wei   +4 more
doaj   +1 more source

The Analysis of Soft Error in C-Elements [PDF]

open access: yesIndonesian Journal of Electrical Engineering and Computer Science, 2018
Soft errors are a serious concern in state holders as it can cause temporarily malfunction of the circuit. C-element is one of the state holders that is used widely in the asynchronous circuit. In this paper, the investigation will focus on the vulnerability of two types of C-element towards soft errors.
Norhuzaimin Julai   +2 more
openaire   +1 more source

Cathodic Cage Plasma Deposition of Nanostructured Cu–Fe–Se Coatings on Poly(methyl Methacrylate)

open access: yesAdvanced Engineering Materials, EarlyView.
Nanostructured Cu–Fe–Se coatings are deposited on PMMA by a modified cathodic cage plasma process, enabling low‐temperature deposition on polymer substrates. A transition from discontinuous to compact morphology is observed with temperature, with optimal properties at 200°C, where improved CuFeSe2‐type bonding, lowest sheet resistance, and favorable ...
V. S. S. Sobrinho   +8 more
wiley   +1 more source

MBER Turbo Multiuser Beamforming Aided QPSK Receiver Design using EXIT Chart Analysis [PDF]

open access: yes, 2007
This paper studies the mutual information transfer characteristics of a novel iterative soft interference cancellation (SIC) aided beamforming receiver designed for quadrature phase shift keying (QPSK) modulated systems communicating over additive white ...
Tan, S.   +5 more
core   +1 more source

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