Results 31 to 40 of about 918,786 (318)

Application of optical fiber transmission technology in coal mine monitoring system

Meikuang Anquan, 2021
Aiming at the problems of short distance, slow speed, large loss and weak anti-electromagnetic interference ability of traditional cable in data transmission of coal mine monitoring system, this paper studies the optical fiber transmission technology and
LIU Fen
doaj   +1 more source

Machine Learning Applications for Short Reach Optical Communication

Photonics, 2022
With the rapid development of optical communication systems, more advanced techniques conventionally used in long-haul transmissions have gradually entered systems covering shorter distances below 100 km, where higher-speed connections are required in ...
Yapeng Xie, Yitong Wang, Sithamparanathan Kandeepan, Ke Wang   +3 more
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AI-Based Modeling and Monitoring Techniques for Future Intelligent Elastic Optical Networks

Applied Sciences, 2020
With the development of 5G technology, high definition video and internet of things, the capacity demand for optical networks has been increasing dramatically. To fulfill the capacity demand, low-margin optical network is attracting attentions. Therefore,
Xiaomin Liu, Huazhi Lun, Mengfan Fu, Yunyun Fan, Lilin Yi, Weisheng Hu, Qunbi Zhuge   +6 more
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Transfer learning simplified multi-task deep neural network for PDM-64QAM optical performance monitoring.

Optics Express, 2020
We experimentally demonstrate a transfer learning (TL) simplified multi-task deep neural network (MT-DNN) for joint optical signal-to-noise ratio (OSNR) monitoring and modulation format identification (MFI) from directly detected PDM-64QAM signals. First,
Yijun Cheng, Wenkai Zhang, S. Fu, M. Tang, Deming Liu   +4 more
semanticscholar   +1 more source

Joint OSNR and Nonlinear Noise Power Estimation Based on Deep Learning for Coherent Optical Communication Systems

IEEE Photonics Journal, 2023
In this paper, a joint OSNR and nonlinear noise power estimation scheme based on multi-task deep neural network (MT-DNN) is proposed with the advantages of dispersion-insensitive, modulation-format-transparent for high-speed, long-haul, multi-channel ...
Mengyan Li, Lifu Zhang, Tao Zhang, Guozhou Jiang, Liu Yang, Fengguang Luo, Yongming Hu   +6 more
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Chromatic Dispersion, Nonlinear Parameter, and Modulation Format Monitoring Based on Godard's Error for Coherent Optical Transmission Systems

IEEE Photonics Journal, 2018
This paper considers Godard's error as signal quality metric to monitor chromatic dispersion (CD), nonlinear parameter, and modulation format in the DSP module of the coherent receivers.
Lin Jiang, Lianshan Yan, Anlin Yi, Yan Pan, Ming Hao, Wei Pan, Bin Luo, Yves Jaouen   +7 more
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Multi-Functional Optical Spectrum Analysis Using Multi-Task Cascaded Neural Networks

IEEE Photonics Journal, 2022
In the optical communication systems, the optical spectrum (OS) provides useful informations for optical performance monitoring and optical link diagnosis.
Haoyu Wang, Sheng Cui, Changjian Ke, Chenglong Yu, Zi Liang, Deming Liu   +5 more
doaj   +1 more source

Monitoring of OSNR Using an Improved Binary Particle Swarm Optimization and Deep Neural Network in Coherent Optical Systems

Photonics, 2019
A novel technique is proposed to implement optical signal-to-noise ratio (OSNR) estimation by using an improved binary particle swarm optimization (IBPSO) and deep neural network (DNN) based on amplitude histograms (AHs) of signals obtained after ...
Xiaoyong Sun, Shaojing Su, Junyu Wei, Xiaojun Guo, Xiaopeng Tan   +4 more
doaj   +1 more source

Optical Accelerometers for Detecting Low-Frequency Micro-Vibrations

Applied Sciences, 2022
Optical accelerometers are high-precision inertial sensors that use optical measurement technology to achieve high-precision and electromagnetic interference-resistant acceleration measurements.
Ying-Jun Lei, Rui-Jun Li, Lian-Sheng Zhang, Peng-Hao Hu, Qiang-Xian Huang   +4 more
doaj   +1 more source

The Use of an Optical Measurement System to Monitor Sports Performance [PDF]

Sports, 2018
The purpose of this study was to compare ground contact time between an optical measurement system and a force platform. Participants in this study included six collegiate level athletes who performed drop jumps and sprint strike steps for a total of 15 repetitions each.
Eric D. Magrum, John P. Wagle, Brad H. DeWeese, Kimitake Sato, Michael H. Stone   +4 more
openaire   +5 more sources