Results 21 to 30 of about 86,685 (296)

Older yet Sharp: No General Age-Related Decline in Focusing Attention

Journal of Experimental Psychology: General, 2023
Attention is a multifaceted mechanism operating on space, features, and memory. Previous studies reported both decline and preservation of attention in aging. Yet, it is unclear if healthy aging differentially affects attentional selection in these domains. To address these inconsistencies, we evaluated the ability to focus attention in a battery of 11
Alessandra S. Souza, Gidon T. Frischkorn, Klaus Oberauer   +2 more
openaire   +3 more sources

The Effect of the Position Determination Error for Flexible Linear Array Elements on the Tomogram Focusing

Sensors, 2023
In the article, the study of the quality of tomogram focusing during the inspection of objects with curved surfaces by flexible acoustic array was described.
Dmitry A. Sednev, Alexey I. Soldatov, Andrey A. Soldatov, Maria A. Kostina, Daria A. Koneva   +4 more
doaj   +1 more source

Spatial-energy characteristics of focused modes of a metal terahertz laser resonator [PDF]

Радиофизика и электроника, 2019
Subject and ppurpose. In this paper, the spatial-energy characteristics of laser beams with inhomogeneous spatial polarization with their moderate and sharp focusing are theoretically investigated.
S.A. Vlasenko, A.V. Degtyarev, M.M. Dubinin, V.A. Maslov   +3 more
doaj   +1 more source

Light distribution in fat cell layers at physiological temperatures

Scientific Reports, 2023
Adipose tissue (AT) optical properties for physiological temperatures and in vivo conditions are still insufficiently studied. The AT is composed mainly of packed cells close to spherical shape.
Irina Yu. Yanina, Polina A. Dyachenko, Arkady S. Abdurashitov, Alexander S. Shalin, Igor V. Minin, Oleg V. Minin, Andrey D. Bulygin, Denis A. Vrazhnov, Yury V. Kistenev, Valery V. Tuchin   +9 more
doaj   +1 more source

CONTROL OVER HIGHER-ORDER TRANSVERSE MODES IN A WAVEGUIDE-BASED QUASI-OPTICAL RESONATOR [PDF]

Radio Physics and Radio Astronomy, 2022
Subject and Purpose. The problems under consideration concern selection and focusing of higher-order modes in a waveguide-based dielectric laser. The purpose is to clarify the physics underlying the behavior of, and permitting control over, continuous ...
A. V. Degtyarеv, M. M. Dubinin, O. V. Gurin, V. O. Maslov, K. I. Muntean, V. M. Ryabykh, V. S. Senyuta, O. O. Svystunov   +7 more
doaj   +1 more source

On Sharp Identification Regions for Regression Under Interval Data [PDF]

, 2013
The reliable analysis of interval data (coarsened data) is one of the most promising applications of imprecise probabilities in statistics. If one refrains from making untestable, and often materially unjustified, strong assumptions on the coarsening ...
Schollmeyer, Georg, Augustin, Thomas
core   +1 more source

Imitation of ultra-sharp light focusing within turbid tissue-like scattering medium by using time-independent Helmholtz equation and method Monte Carlo [PDF]

, 2020
Based on time-independent Helmholtz equation and its solution in frame of inhomogeneous approximation a hybrid computational method for imitation of propagation of bounded laser beam focused into biological tissue is introduced.
Kistenev, Y. V., Kistenev, Y. V. (Y. V.), Meglinski, I. (I.), Igor Meglinski, Denis Vrazhnov, Bulygin, A. D., Buligin, A. (A.), Danilkin, E. A. (E. A.), Evgeniy Danilkin, Buligin, A., Andrey D. Buligin, Meglinski, I., Vrazhnov, D. A., Vrazhnov, D. A. (D. A.), Danilkin, E. A., Yuri Kistenev   +15 more
core   +1 more source

Congeneric predators fill discrete niches created by the relative abundances of their prey species

Journal of Avian Biology, 2022
To what degree is niche partitioning driven by underlying patterns in resources such as food, rather than by competition itself? Do discrete niches exist?
Eliot T. Miller, Oisin Mac Aodha, Emma I. Greig, David N. Bonter, Wesley M. Hochachka   +4 more
doaj   +1 more source

Visualization Characteristics of a Sharp Focusing Schlieren Method.

Journal of the Visualization Society of Japan, 2000
A sharp focusing schlieren system gives a means for observing any cross section of a flow field, which is perpendicular to the test beam axis of the optical system. This is impossible for a conventional schlieren system. In this study, a sharp focusing schlieren system was designed with referring to the Weinsten's system to investigate visualization ...
YAMAGUCHI, Yutaka, KASHITANI, Masashi, WADA, Shinichi, SAITO, Teruo   +3 more
openaire   +2 more sources

Structurally Stable Astigmatic Vortex Beams with Super-High Orbital Angular Momentum (ABCD Matrix Approach)

Photonics, 2023
We have demonstrated efficiency of employing the ABCD matrix approach to transform higher-order structured Laguerre–Gaussian (sLG) beams into structurally stable astigmatic sLG (asLG) beams, highlighting their dynamics at propagating.
Alexander Volyar, Mikhail Bretsko, Server Khalilov, Yana Akimova   +3 more
doaj   +1 more source