Results 31 to 40 of about 33,024 (227)

Modeling Atmospheric Phase Corruptions in High-frequency Very-long-baseline Interferometry Using Gaussian Processes

open access: yesThe Astronomical Journal
Using very-long-baseline interferometry (VLBI) observations at (sub)millimeter wavelengths, the Event Horizon Telescope (EHT) currently achieves the finest angular resolution of any astronomical facility, necessary for imaging the horizon-scale structure
Uri Rolls   +5 more
doaj   +1 more source

Gravitational Radiation and Very Long Baseline Interferometry [PDF]

open access: yesThe Astrophysical Journal, 1996
Gravitational waves affect the observed direction of light from distant sources. At telescopes, this change in direction appears as periodic variations in the apparent positions of these sources on the sky; that is, as proper motion. A wave of a given phase, traveling in a given direction, produces a characteristic pattern of proper motions over the ...
Pyne, T   +4 more
openaire   +2 more sources

From Wafers to Electrodes: Transferring Automatic Optical Inspection (AOI) for Multiscale Characterization of Smart Battery Manufacturing

open access: yesAdvanced Functional Materials, EarlyView.
Automat optical inspection (AOI) techniques in semiconductor fabrication can be leveraged in battery manufacturing, enabling scalable detection and analysis of electrode‐ and cell‐level imperfections through AI‐driven analytics and a digital‐twin framework.
Jianyu Li, Ertao Hu, Wei Wei, Feifei Shi
wiley   +1 more source

Resistance to Overdoping Allows Over 2000 S cm−1 Conductivity in P(g3BTTT) With Anion‐Exchange Doping

open access: yesAdvanced Materials, EarlyView.
Anion‐exchange doping of conjugated polymers is an effective way to achieve high conductivities. Here, we report over 2000 S cm−1 electrical conductivity for doped P(g3BTTT). In addition, we show that P(g3BTTT) sustains exceptionally high doping levels without any drop in the charge mobility.
Basil Hunger   +14 more
wiley   +1 more source

The NANOGrav 15 yr Dataset: Improved Timing Precision with Very Long Baseline Interferometry Astrometric Priors

open access: yesThe Astrophysical Journal
Accurate pulsar astrometric estimates are essential to almost all high-precision pulsar timing experiments. Traditional pulsar timing techniques refine these estimates by including them as free parameters when fitting a model to observed pulse time-of ...
Sofia V. Sosa Fiscella   +49 more
doaj   +1 more source

Modelling Very Long Baseline Interferometry (VLBI) observations

open access: yesJournal of Geodesy and Geoinformation, 2012
Bu çalışmanın temel amacı Çok Uzun Baz Enterferometrisi VLBI sinyal gecikme modelinin teorik detaylarını Uluslararası Yer Dönüklük ve Referans Sistemleri Servisi IERS 2010 Konvansiyonları temelinde sunmaktır. Bu kapsamda sürekli parçalı lineer ofset CPWLO fonksiyonları ile gün‒içi zamansal çözünürlükte önceden belirlenmiş epoklarda, örneğin: Evrensel ...
Teke, K.   +3 more
openaire   +4 more sources

Enhancing Stability of Few‐Layer Black Phosphorus (FLBP) Through Nitrocellulose Coating: A Robust Defense Mechanism Against Degradation

open access: yesAdvanced Materials Interfaces, EarlyView.
In this research, a simple and scalable strategy for protection of a few‐layer black phosphorus (FLBP) with a cellulose nitrate‐based material is presented. The FLBP is structurally and morphologically characterized. The FLBP stability with and without nitrocellulose protection is monitored by interferometric method, surface profile examination, and ...
Paweł Jakóbczyk   +8 more
wiley   +1 more source

Serial MultiView: An Efficient Approach to Mitigating Atmospheric Spatial-structure Errors for Very-long-baseline-interferometry Astrometry

open access: yesThe Astronomical Journal
Atmospheric propagation errors are a main constraint on the accuracy of very-long-baseline-interferometry astrometry. For relative astrometry, differential techniques can mitigate these errors, but their effectiveness diminishes with decreasing elevation
Jingdong Zhang   +6 more
doaj   +1 more source

De Novo Design and Directed Evolution Refinement of Mirror‐Image Protein Binders Targeting Interleukin‐4

open access: yesAdvanced Science, EarlyView.
This study presents the de novo design and directed evolution of a mirror‐image D‐protein inhibitor targeting human interleukin‐4 (IL‐4). The engineered molecule exhibits nanomolar binding affinity for IL‐4 and effectively inhibits IL‐4–mediated signaling.
Liqing Xu   +7 more
wiley   +1 more source

Atmospheric Limitations for High-frequency Ground-based Very Long Baseline Interferometry

open access: yesThe Astrophysical Journal
Very long baseline interferometry (VLBI) provides the highest-resolution images in astronomy. The sharpest resolution is nominally achieved at the highest frequencies, but as the observing frequency increases, so too does the atmospheric contribution to ...
Dominic W. Pesce   +12 more
doaj   +1 more source

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