Results 261 to 270 of about 918,786 (318)

Laser-based pulse oximetry eliminates pigmentation effects on oxygen saturation measurements: A pilot study. [PDF]

PLoS One
Pologe JA, You NK, Blumstein M, Snyder KL, Hay WW.   +4 more
europepmc   +1 more source

Monolithic multimodal neural probes for sustained stimulation and long-term neural recording. [PDF]

Sci Adv
Zhang L, Wang S, Xia J, Li B, Zhang S, Luo J, Zhang F, Zheng T, Pan G, Hasan T, Yu Y, Ding G, Jin H, Yang Z, Dong S.   +14 more
europepmc   +1 more source

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Artificial intelligence based optical performance monitoring

Journal of Optical Communications, 2021
AbstractIn this paper, a technique for optical performance monitoring (OPM) using deep learning-based artificial neural network (ANN) is implemented. ANN is trained with parameters derived from eye-diagram for the identification of optical signal to noise ratio (OSNR), chromatic dispersion (CD) and polarisation mode dispersion (PMD) simultaneously and ...
Rahul Kaushik, Palash Rai
openaire   +3 more sources

Optical Performance Monitoring [PDF]

Journal of Lightwave Technology, 2004
Progress in optical networking has stimulated interest in optical performance monitoring (OPM), particularly regarding signal quality measures such as optical signal-to-noise ratio (SNR), Q-factor, and dispersion. These advanced monitoring methods have the potential to extend fault management and quality-of-service (QoS) monitoring into the optical ...
D. Einstein, M. Preiss, Taha Landolsi, L.M. Ostar, Alan E. Willner, R. Bach, Daniel C. Kilper, Daniel J. Blumenthal   +7 more
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Optical Performance Monitoring of Multiple Parameters in Future Optical Networks

Journal of Lightwave Technology, 2021
Optical performance monitoring (OPM) is an important tool to facilitate the management of future optical fiber communication networks. OPM measures the states of the physical layer and provides feedback to the network controller for performing tasks such as link diagnosis and fault detection.
Dawei Wang, Hao Jiang, Guowei Liang, Qianxin Zhan, Yao Mo, Qi Sui, Zhaohui Li   +6 more
openaire   +3 more sources

Optical Performance Monitoring in DSP-based Coherent Optical Systems

Optical Fiber Communication Conference, 2015
We review the requirements for optical performance monitoring in high capacity DSP based coherent optical transmission systems. Recent proposed schemes for OSNR and CD monitoring for coherent systems are summarized.
Liangchuan Li, Qi Sui, Zhenhua Dong, Alan Pak Tao Lau, Zhaohui Li, Chao Lu, Kangping Zhong   +6 more
openaire   +3 more sources