Results 121 to 130 of about 178,151 (311)

Functional Response Properties of VIP-expressing Inhibitory Neurons in Mouse Visual and Auditory Cortex

open access: yesFrontiers in Neural Circuits, 2015
Despite accounting for about 20% of all the layer 2/3 inhibitory interneurons, the vasoactive intestinal polypeptide (VIP) expressing neurons remain the least thoroughly studied of the major inhibitory subtypes.
Lukas eMesik   +11 more
doaj   +1 more source

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

open access: yesInternational 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   +2 more
wiley   +1 more source

Font tuning : a review and new experimental evidence. [PDF]

open access: yes, 2008
This paper reflects on the kinds of evidence able to confirm that letter and word identification in reading can be supported by encoding the underlying visual structure of the text, and specifically by deriving structural descriptions for letters.
Walker, Peter
core  

MEG studies of motor cortex gamma oscillations: Evidence for a gamma fingerprint in the brain?

open access: yesFrontiers in Human Neuroscience, 2013
The human motor cortex exhibits transient bursts of high frequency gamma oscillations in the 60 to 90 Hz range during movement. It has been proposed that gamma oscillations generally reflect local intracortical activity. However, movement-evoked gamma is
Douglas Owen Cheyne, Paul eFerrari
doaj   +1 more source

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

open access: yesAdvanced 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   +8 more
wiley   +1 more source

Tuning Technique for Active FSS Arrays [PDF]

open access: yes, 2009
A novel biasing technique is described for active frequency selective slot arrays. The bandpass response can be switched between transmitting and reflecting modes, or tuned over a predetermined frequency range using two different biasing circuit ...
Parker, Edward A.   +3 more
core   +1 more source

3C-Silicon Carbide Microresonators for Timing and Frequency Reference

open access: yesMicromachines, 2016
In the drive to miniaturise and integrate reference oscillator components, microelectromechanical systems (MEMS) resonators are excellent candidates to replace quartz crystals.
Graham S. Wood   +3 more
doaj   +1 more source

Experimental Evaluation of 100Cr6 Steel Microindented Surfaces Under Lubricated Nonconformal Point Contacts

open access: yesAdvanced Engineering Materials, EarlyView.
The tribological behavior of 100Cr6 steel spheres textured via Vickers microindentation is evaluated under lubricated sliding by varying both dimple size and density. Fine and dense textures significantly reduce friction across all lubrication regimes, while large dimples increase it.
Farideh Davoodi   +3 more
wiley   +1 more source

Comparison of Antennas Electrical Tuning Methods for Mobile Applications

open access: yesИзвестия высших учебных заведений России: Радиоэлектроника, 2017
The various methods of antenna electrical tuning for mobile handsets working in several LTE frequency bands are described. The PIFA-type antenna containing high and low frequency branches is proposed.
A. D. Grigoriev, B. Djalilov
doaj  

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