Results 1 to 10 of about 533,432 (176)
Seeing your error alters my pointing: observing systematic pointing errors induces sensori-motor after-effects. [PDF]
PLoS ONE, 2011 During the procedure of prism adaptation, subjects execute pointing movements to visual targets under a lateral optical displacement: as consequence of the discrepancy between visual and proprioceptive inputs, their visuo-motor activity is characterized ...
Roberta Ronchi +4 more
doaj +5 more sources
Performance Analysis of Relay-Aided Hybrid FSO/RF Cooperation Communication System over the Generalized Turbulence Channels with Pointing Errors and Nakagami-m Fading Channels [PDF]
Sensors, 2023 To improve the performance of fee-space optical communication systems, this paper analyzes the performance of a relay-aided hybrid fee-space optical (FSO)/radio frequency (RF) cooperation system based on a selective combination and decoding forward ...
Yan Wu, Gang Li, Dejin Kong
doaj +2 more sources
The pointing errors in optic ataxia reveal the role of “peripheral magnification” of the PPC [PDF]
Frontiers in Integrative Neuroscience, 2016 Interaction with visual objects in the environment requires an accurate correspondence between visual space and its internal representation within the brain.
Philippe Vindras +5 more
doaj +2 more sources
Pointing errors in non-metric virtual environments [PDF]
, 2018 There have been suggestions that human navigation may depend on representations that have no metric, Euclidean interpretation but that hypothesis remains contentious. An alternative is that observers build a consistent 3D representation of space.
A Cheung +36 more
core +2 more sources
Amplitude and direction errors in kinesthetic pointing [PDF]
Experimental Brain Research, 2018 We investigated the accuracy with which, in the absence of vision, one can reach again a 2D target location that had been previously identified by a guided movement.
Baud-Bovy, Gabriel, Viviani, Paolo
core +6 more sources
IEEE Photonics Journal, 2022 High-precision pointing is a key technology in free-space optical communication, as it improves the acquisition probability and reduces the acquisition time.
Chao Peng +7 more
doaj +1 more source
Single-Layer Phase Screen With Pointing Errors for Free Space Optical Communication
IEEE Access, 2021 Single-layer phase screen is a classical, simple and accurate approach for simulating the optical field under turbulence, and it is generally used in free space optical communication (FSOC).
Xin Liu +4 more
doaj +1 more source
A Simplified Pointing Model for Alt-Az Telescopes
Applied Sciences, 2023 The telescope pointing model plays a crucial role in characterizing and explaining the inaccuracies in the telescope’s pointing. It uses mathematical models to express these errors and suggests methods to calibrate and rectify them.
Yong Zhao +5 more
doaj +1 more source
Requirements and Solutions for Robust Beam Alignment in Fiber-Coupled Free-Space Optical Systems
Photonics, 2023 The continuous growth of Internet data traffic is pushing the current radio-frequency wireless technologies up to their physical limits. To overcome the upcoming bandwidth bottleneck, Free-Space Optics (FSO) is currently deemed as a key breakthrough ...
Manuel M. Freitas +4 more
doaj +1 more source
Journal of Marine Science and Engineering, 2023 Both the long-term beam spreading caused by ocean turbulence and the pointing errors induced by the jitter of transmitters and receivers degrade the performance of underwater wireless optical communication (UWOC) links.
Jianying Wang +3 more
doaj +1 more source