Zobrazeno 1 - 10
of 1 632
pro vyhledávání: '"light guide"'
Publikováno v:
International Journal of Optomechatronics, Vol 18, Iss 1 (2024)
AbstractTraditional car headlights use halogen or high-intensity discharge (HID) lamps paired with a reflector cup, fisheye lens, and shading plate to comply with ECE112B (Headlamps with an Asymmetrical Passing Beam) regulations. This design has issu
Externí odkaz:
https://doaj.org/article/9545dda6fe624557abaca56a40036777
Publikováno v:
Meitan kexue jishu, Vol 52, Iss 2, Pp 329-337 (2024)
China’s coal-fired power plants emit over 5.7 billion tons of CO2 annually. To realize the dual carbon goals in time, it is necessary to reduce the carbon emissions of coal-fired power plants. Microalgae carbon fixation can efficiently absorb CO2 t
Externí odkaz:
https://doaj.org/article/7149dec180424753a94b2393c39fa7d8
Autor:
Yan Wan, Junfeng Li
Publikováno v:
Complex & Intelligent Systems, Vol 10, Iss 2, Pp 2083-2105 (2023)
Abstract Light guide plate (LGP) is a key component of liquid crystal display (LCD) display systems, so its quality directly affects the display effect of LCD. However, LGPs have complex background texture, low contrast, varying defect size and numer
Externí odkaz:
https://doaj.org/article/faba497157704957b810857477b6f96e
Publikováno v:
Optics, Vol 4, Iss 2, Pp 321-329 (2023)
(1) Background: Applications using touch screens are increasingly deployed in medical facilities, as well as in public areas. When touching the display with fingers, potentially pathogenic microorganisms such as methicillin-resistant Staphylococcus a
Externí odkaz:
https://doaj.org/article/7520a222e9dd43cebc1b5d848afcb91e
Publikováno v:
Nuclear Engineering and Technology, Vol 55, Iss 3, Pp 1045-1051 (2023)
In this study, we fabricated a liquid light-guide-based radiation sensor with a LaBr3:Ce scintillator for remote gamma-ray spectroscopy. We acquired the energy spectra of Cs-137 and Co-60 using the proposed sensor, estimated the energy resolutions of
Externí odkaz:
https://doaj.org/article/f8d2b43de1b140c7b06092508a81ba9f
Autor:
Zhenyu Li, Junfeng Li
Publikováno v:
IEEE Access, Vol 11, Pp 142196-142213 (2023)
In this paper, a high-precision hot-pressed light guide plate defect detection model based on improved YOLOv7 is proposed. The model strengthens the spatial correlation between background and foreground by fusing global context information. A densely
Externí odkaz:
https://doaj.org/article/3cec4e75f75345378650cc5e9c590250
Akademický článek
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Publikováno v:
Физика волновых процессов и радиотехнические системы, Vol 25, Iss 3, Pp 73-81 (2022)
A method is proposed for calculating the spectral characteristics of cascade long-period fiber gratings of the refractive index of the core based on the method of partial regions and decomposition. According to the method, the structure is represente
Externí odkaz:
https://doaj.org/article/9a92a6fb9de344fcbca0ba9f8e62b0d2
Publikováno v:
Nuclear Engineering and Technology, Vol 54, Iss 5, Pp 1760-1768 (2022)
When gamma-camera sensor modules, which are key components of radiation imagers, are derived from the coupling between scintillators and photosensors, the light collection efficiency is an important factor in determining the effectiveness with which
Externí odkaz:
https://doaj.org/article/6e48dee72cb24aaf8f627b2971cf7dd7
Publikováno v:
Омский научный вестник, Vol 6 (180), Pp 56-64 (2021)
The article discusses the issues of improving strainresistive pressure sensors (PS) for their joint use with modern achievements of fiber optics (FO). The possibilities of implementation and features of FO pyrometric compensation of the temperature
Externí odkaz:
https://doaj.org/article/d20dd0559d5840f18f0b9f8dca55a863