Results 1 to 10 of about 1,118,680 (286)
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
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Using Allan Variance Based Semi-Parameter Model to Calibrate Pointing Errors of Alt-az Telescopes
Applied Sciences, 2018 In this paper, a new model called Allan variance based semi-parameter model is put forward to improve the pointing precision for alt-az telescopes.
Lingjie Yan, Yongmei Huang, Yahui Zhang
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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
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Performance of UAV-to-Ground FSO Communications with APD and Pointing Errors
Applied System Innovation, 2021 Recently, a combination of unmanned aerial vehicles (UAVs) and free-space optics (FSO) has been investigated as a potential method for high data-rate front-haul communication links.
Ha Duyen Trung
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Results in Optics, 2021 Aperture averaging (AA) is a potential technique to reduce the effect of atmospheric turbulence in optical wireless communications (OWC). Although there is significant research on point-like detectors, there is a gap in the study on the analytical ...
Ziyaur Rahman +2 more
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Signal Quality Assessment for Transdermal Optical Wireless Communications under Pointing Errors
Technologies, 2018 In this paper, we assess the signal quality of the out-body to in-body optical communication link, which can be used as a fundamental enabler of novel biomedical appliances, such as medical implants, as well as biological and chemical components ...
Stylianos E. Trevlakis +2 more
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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
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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
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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
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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
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