Results 121 to 130 of about 12,685 (261)

Modelling the Four‐Dimensional Power Line Sag Dynamics by Point Signature in Time‐Series Synthetic‐Aperture Radar Images

open access: yesHigh Voltage, EarlyView.
ABSTRACT Power lines in synthetic‐aperture radar (SAR) images are reflected as point signatures, which fluctuate annually in both the azimuth and range directions. A novel framework is proposed in this paper to evaluate the four‐dimensional dynamic status of power line sag using those point signatures in time‐series SAR images.
Sijie Ma   +4 more
wiley   +1 more source

Mixed Super‐Circles

open access: yesComputer Graphics Forum, EarlyView.
Abstract We introduce mixed super‐circles, a position‐curvature formulation of the original dynamic 2D super‐helix model. Compared to the latter, purely curvature‐based model – the so‐called chained formulation –, the mixed formulation that we propose here drastically reduces the algorithmic complexity of the solving scheme – from quadratic to quasi ...
Emile Hohnadel   +2 more
wiley   +1 more source

Targeting PCSK9 in Vascular Smooth Muscle Cells: An Effective Strategy to Suppress Ferroptosis and Attenuate Abdominal Aortic Aneurysm Progression

open access: yesCell Proliferation, EarlyView.
PCSK9 aggravates AAA by promoting ferroptosis in VSMCs. In the pathological AAA environment, PCSK9 upregulation triggers ferritinophagy‐dependent degradation of FTH1, leading to Fe2+ release, triggering lipid peroxidation and ferroptosis, exacerbating AAA.
Mengdie Xia   +13 more
wiley   +1 more source

Optimal Hypoxia Mimetic Small Molecules for Enhancing Angiogenic Properties of Stem Cells From Human Exfoliated Deciduous Teeth

open access: yesInternational Endodontic Journal, EarlyView.
ABSTRACT Aim Hypoxic preconditioning of cells holds promise for regenerative therapies, yet identifying effective and safe methods for clinical application remains challenging. We aimed to determine optimal hypoxia‐mimetic small molecules (SMs) that stabilize hypoxia‐inducible factor‐1α (HIF‐1α) and their dosages for hypoxic preconditioning in stem ...
Hong Wang   +9 more
wiley   +1 more source

A Bayesian approach to spectroscopic depth sectioning for locating dopant atoms

open access: yesJournal of Microscopy, EarlyView.
Abstract Locating dopants in 3D is of great interest as advanced materials and devices increasingly rely on control at atomic dimensions, and microscopy tools are constantly in development for this purpose. One potential tool is electron energy loss spectroscopy (EELS) depth sectioning, where a core‐loss signal is collected as a function of electron ...
Michael Deimetry   +3 more
wiley   +1 more source

Numerical Solution for the Dividend Value Function of a Dual Risk Model With Investment

open access: yesJournal of Mathematics
This paper proposes a dual risk model with liquid reserve and proportional investments, this model is more suitable for real life. We derive the integral differential equations for the expected total discounted dividends before ruin.
Chunwei Wang, Shujing Wang
doaj   +1 more source

Fast high-impedance spectroscopy method using sinc signal excitation

open access: yes, 2013
In this paper the method of fast impedance spectroscopy of technical objects with high impedance (|Zx| ≥ 1 GΩ) is evaluated by means of simulation and a practical experiment.
Lentka, G., Kowalewski, M.
core  

Robust CDF‐Filtering of a Location Parameter

open access: yesJournal of Time Series Analysis, EarlyView.
ABSTRACT This paper introduces a novel framework for designing robust filters associated with signal plus noise models having symmetric observation density. The filters are obtained by a recursion where the innovation term is a transform of the cumulative distribution function of the residuals.
Leopoldo Catania   +2 more
wiley   +1 more source

Application of Sinc-Galerkin Method for Solving Space-Fractional Boundary Value Problems

open access: yes, 2015
We employ the sinc-Galerkin method to obtain approximate solutions of space-fractional order partial differential equations (FPDEs) with variable coefficients. The fractional derivatives are used in the Caputo sense.
Seçer, Aydın   +2 more
core   +1 more source

Perceptual Priors Update Contextual Feedback Processing in V1

open access: yesTopics in Cognitive Science, EarlyView.
Abstract Contextual information and prior knowledge facilitate perceptual processing, improving our recognition of even distorted or obstructed visual inputs. As a result, neuronal processing elicited by identical sensory inputs varies depending on the context in which we encounter those inputs.
Yulia Y. Lazarova   +3 more
wiley   +1 more source

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