Results 1 to 10 of about 90,088 (87)

Research on Camouflage Recognition in Simulated Operational Environment Based on Hyperspectral Imaging Technology

open access: yesJournal of Spectroscopy, 2021
Hyperspectral imaging technology can obtain the spatial information and spectral information of the simulated operational background and its camouflage materials at the same time and identify and classify them according to their differences.
Donge Zhao   +5 more
doaj   +1 more source

Simulation and Optimization of Temperature Effect in Solar Cells CdTe with Back Connection Cu2O

open access: yesInternational Journal of Optics, 2022
One of the least studied and most important parameters that are ignored in the simulation and construction of solar cells is temperature. The effect of temperature is complex, and the solar cell is a very temperature-sensitive device.
Parinaz Khaledi   +2 more
doaj   +1 more source

Three-Dimensional Reconstruction of Rolling Contact Fatigue Characteristics

open access: yesInternational Journal of Optics, 2022
Focusing on the 3D topographic characteristics of rolling contact fatigue, a reconstruction method of the fatigue surface of roller based on point cloud data was proposed in this research. A 3D laser scanner was used to capture the data of point cloud on
Chengkai Zeng   +4 more
doaj   +1 more source

Superparamagnetic Clustering of Diabetes Patients Raman Spectra

open access: yesJournal of Spectroscopy, 2019
In this paper, we present a different way to the standard methods to classify Raman spectra whose grouping process is based on a phenomenon of clustering observed in nature at the atomic level and correctly described by the statistical physics model ...
J. L. González-Solís   +2 more
doaj   +1 more source

High Zoom Ratio Foveated Snapshot Hyperspectral Imaging for Fruit Pest Monitoring

open access: yesJournal of Spectroscopy, 2023
Snapshot hyperspectral imaging technology is increasingly used in agricultural product monitoring. In this study, we present a 9× local zoom snapshot hyperspectral imaging system. Using commercial spectral sensors with spectrally resolved detector arrays,
Yaoyao Hu   +5 more
doaj   +1 more source

Polyurethane Nanocomposites Containing Reduced Graphene Oxide, FTIR, Raman, and XRD Studies

open access: yesJournal of Spectroscopy, 2016
Recently, graphene and other graphene-based materials have become an essential part of composite science and technology. Their unique properties are not only restricted to graphene but also shared with derivative compounds like graphene oxide, reduced ...
Michał Strankowski   +3 more
doaj   +1 more source

Sparse Representation for Different Animal Vertebra Classification along the Fixation Trajectory of Pedicle Screw

open access: yesJournal of Spectroscopy, 2020
Pedicle screw (PS) implantation is an ideal method for the treatment of severe multilevel vertebral instability. The key problem is the accuracy of PS fixation.
YangYang Liu   +5 more
doaj   +1 more source

Distributed Temperature Sensing System Based on Brillouin Scattering Effect Using a Single-Photon Detector

open access: yesInternational Journal of Optics, 2021
Utilizing a single-photon detector, a novel direct-detection optical-fiber sensor for distributed measurement of temperature based on spontaneous Brillouin scattering is proposed and demonstrated experimentally.
Liwen Sheng   +9 more
doaj   +1 more source

Visible Light Communication System Using Silicon Photocell for Energy Gathering and Data Receiving

open access: yesInternational Journal of Optics, 2017
Silicon photocell acts as the detector and energy convertor in the VLC system. The system model was set up and simulated in Matlab/Simulink environment. A 10 Hz square wave was modulated on LED and restored in voltage mode at the receiver.
Xiongbin Chen, Chengyu Min, Junqing Guo
doaj   +1 more source

Simulation and Experimental Study of Terahertz Wave Transmission Characteristics Based on Periodic Metal Open Resonant Ring Structures

open access: yesInternational Journal of Optics, 2021
Different open resonant ring structures with substrate of polyimide were designed. The transmission characteristics of the structures for terahertz wave were investigated by simulation and experiment.
Yunpeng Ren   +7 more
doaj   +1 more source

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