Results 121 to 130 of about 11,582,841 (294)

Automated Hand Flexor Tendon–Thickness Measurement in Systemic Sclerosis

Arthritis Care &Research, EarlyView.
Objective Systemic sclerosis (SSc) can affect flexor tendons, contributing to hand function problems and reduced quality of life. Tendon changes are currently assessed with ultrasonography and measured manually, a time‐consuming process prone to interobserver variability.
Mark Greveling, Ties van het Erve, Yvette van de Berg, Simon Mastbergen, Julia Spierings   +4 more
wiley   +1 more source

High frequency noise generation by impinging jets

, 2009
Acoustic reverberation chambers are used to qualify space flight hardware through exposure to intense sound pressure levels. High Intensity sound generators that are capable of emitting sound power levels in excess of 160 dB produce the levels, mainly in
Elfstrom, G., Ramakrishnan, R., Grewal, A., Raimondo, S.   +3 more
core  

Design & Implementation of High Switching & Low Phase Noise Frequency Synthesizer

Al-Khawarizmi Engineering Journal, 2006
This research describes the design & implementation of frequency synthesizer using single loop Phase lock loop with the following specifications: Frequency range (1.5 – 2.75) GHz,Step size (1 MHz), Switching time 36.4 µs, & phase noise @10 kHz = -92dBc &
Ali M. N. Hassan
doaj  

A Q‐Learning Algorithm to Solve the Two‐Player Zero‐Sum Game Problem for Nonlinear Systems

International Journal of Adaptive Control and Signal Processing, Volume 39, Issue 3, Page 566-581, March 2025.
A Q‐learning algorithm to solve the two‐player zero‐sum game problem for nonlinear systems. ABSTRACT This paper deals with the two‐player zero‐sum game problem, which is a bounded L2$$ {L}_2 $$‐gain robust control problem. Finding an analytical solution to the complex Hamilton‐Jacobi‐Issacs (HJI) equation is a challenging task.
Afreen Islam, Anthony Siming Chen, Guido Herrmann   +2 more
wiley   +1 more source

Excess low frequency noise in single-wall carbon nanotube

, 2006
Low frequency noise measurements have been performed on a single-wall carbon nanotube connected by Ti/Au electrodes. It has been found that the 1/f noise decreases when the measurements are undertaken under vacuum and when the nanotube is partially ...
Delseny, C., Salesse, A,, Soliveres, S.,, Deen, J.,, Deen, J,, Salesse, A., Delseny, C,, Deen, J., Nur, Omer,, Nur, Omer, Kabir, Mohammad,, Kabir, M S,, Delseny, C.,, Willander, Magnus,, Soliveres, S., Hoffmann, A,, Soliveres, S,, Nour, Omer,, Willander, Magnus, Pascal, F.,, Hoffmann, A.,, Hoffmann, A., Salesse, A.,, Kabir, Mohammad, Pascal, F., Pascal, F,   +25 more
core   +1 more source

Observer‐Based Adaptive Event‐Triggered Tracking Control for Fuzzy TS Systems With Premise Mismatch

International Journal of Adaptive Control and Signal Processing, EarlyView.
This paper presents an adaptive logistic event‐triggered observer‐based tracking controller for Takagi‐Sugeno fuzzy systems under constrained inputs and network delays. Leveraging a hybrid LMI and Secretary Bird Optimization approach, this strategy significantly minimizes communication overhead and computational burden while ensuring optimal reference ...
Oussama Djadane, Salama Makni, Mourad Kchaou, Ahmed El Hajjaji   +3 more
wiley   +1 more source

dynoGP: Deep Gaussian Processes for Dynamic System Identification

International Journal of Adaptive Control and Signal Processing, EarlyView.
This work introduces a novel class of deep models for system identification, dynamical deep Gaussian processes, which combine the strengths of data‐driven methods, such as those based on neural network architectures, with the ability to output a probability distribution for uncertainty representation.
Alessio Benavoli, Marco Forgione, Dario Piga, Marco Zaffalon   +3 more
wiley   +1 more source

The Effect of Low Frequency Noise on Working Speed and Annoyance. [PDF]

Iran J Public Health, 2022
Javadi A, Pourabdian S, Forouharmajd F.
europepmc   +1 more source

Characterization of Defect Distribution in an Additively Manufactured AlSi10Mg as a Function of Processing Parameters and Correlations with Extreme Value Statistics

Advanced Engineering Materials, EarlyView.
Predicting extreme defects in additive manufacturing remains a key challenge limiting its structural reliability. This study proposes a statistical framework that integrates Extreme Value Theory with advanced process indicators to explore defect–process relationships and improve the estimation of critical defect sizes. The approach provides a basis for
Muhammad Muteeb Butt, Varma Kvvssn, Hossein Laieghi, Zia Uddin, Peyman Ansari, E. Kıvanç Sadak, Can Barış Toprak, Hüseyin Kızıl, Enrico Salvati   +8 more
wiley   +1 more source

Is Enough Attention Paid to the Health Effects of Low-Frequency Noise in Today's Society? [PDF]

Int J Prev Med, 2022
Forouharmajda F, Asadya H, Pereirab MA, Fuentec A, Pourabdiana S.   +4 more
europepmc   +1 more source