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297 results on '"Jin, Yongxing"'

7. Metasurface-based wireless communication technology and its applications.

Author

Cheng, Xinyue, Li, Chenxia, Fang, Bo, Hong, Zhi, Jin, Yongxing, and Jing, Xufeng

Subjects
WIRELESS communications, TELECOMMUNICATION, WIRELESS power transmission, COMMUNICATION of technical information, LITERATURE reviews
Abstract

Metasurfaces, due to their outstanding ability to control electromagnetic waves, have great application prospects in the field of wireless communication. This paper provides a comprehensive review of research work based on metasurface in three aspects: wireless power transfer, wireless information transmission, and novel wireless transceiver architectures. In the domain of wireless power transfer, several focusing metasurfaces and systems with unique performance are presented along with a new formula for calculating wireless power transfer. Concerning wireless information transmission section, the direct digital information transmission based on metasurface and the information transmission based on space-time-coding digital metasurface are introduced. Lastly, a simplified wireless transceiver with metasurfaces was introduced. The paper concludes with a discussion on the future directions of metasurfaces in the wireless communication domain. [ABSTRACT FROM AUTHOR]

Published
2024
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11. On Low-Velocity Impact Response and Compression after Impact of Hybrid Woven Composite Laminates.

Author

Li, Yumin, Jin, Yongxing, Chang, Xueting, Shang, Yan, and Cai, Deng'an

Subjects
WOVEN composites, IMPACT response, OFFSHORE structures, IMPACT craters, FAILURE mode & effects analysis, LAMINATED materials
Abstract

This paper aims to study the low-velocity impact (LVI) response and compression after impact (CAI) performance of carbon/aramid hybrid woven composite laminates employed in marine structures subjected to different energy impacts. The study includes a detailed analysis of the typical LVI responses of hybrid woven composite laminates subjected to the impact with three different energies, as well as a comparative analysis of cracks and internal delamination damage within impact craters. Additionally, the influence of different impact energies on the residual compressive strength of hybrid woven composite laminate is investigated through CAI tests and a comparative analysis of internal delamination damage is also conducted. The results indicate that as the impact energy increases, the impact load and CAI strength show a decreasing trend, while impact displacement and impact dent show an increasing trend. The low-velocity impact tests revealed a range of failure modes observed in the hybrid woven composite laminates. Depending on the specific combination of fiber materials and their orientations, the laminates exhibited different failure mechanisms. Buckling failures were observed in the uppermost composite layers of laminates with intermediate modulus systems. In contrast, laminates with higher modulus systems showed early damage in the form of delamination within the top surface layers. [ABSTRACT FROM AUTHOR]

Published
2024
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43. Liquid surface tension and refractive index sensor based on a tilted fiber Bragg grating

Author

Liu, Zexu, primary, Shen, Changyu, additional, Xiao, Yike, additional, Gong, Jiaqi, additional, Wang, Jianfeng, additional, Lang, Tingting, additional, Zhao, Chunliu, additional, Huang, Changqing, additional, Jin, Yongxing, additional, Dong, Xinyong, additional, Zhang, Yang, additional, Jing, Zhenguo, additional, Peng, Wei, additional, and Semenova, Yuliya, additional

Published
2018
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45. Risk assessment of potential catastrophic accidents for transportation of special nuclear materials through Turkish Straits

Author

Pelin Bolat and Jin Yongxing

Subjects
Engineering, Turkish, business.industry, Special nuclear material, Management, Monitoring, Policy and Law, Civil engineering, language.human_language, Fire accident, Transport engineering, General Energy, Trade route, language, Oil tanker, Black sea, Risk assessment, Nuclear energy policy, business
Abstract

Turkish Straits Region (TS) comprises of two straits, Dardanelles and Bosphorus, and the Marmara Sea. It is a historical marine trade route between the former Soviet countries and the western world. From the perspective of special nuclear materials transportation, this route can also be a nuclear materials trade route due to the nuclear policy of former Soviet countries and world nuclear market. In addition, TS can also be an optional route of integrated transportation ways for the shipping states that pursue to reach the destination points using the Black Sea countries or the North-Eastern Part of Turkey. Consequently maritime transportation of special nuclear materials has arisen as a critical concept for TS, where the risks should be understood and analyzed effectively. Accordingly, this study will aim at conducting a risk assessment for the TS from the special nuclear material transportations perspective via two hypothesized scenarios which are (i) ship collision accident in the case of special nuclear materials (SNM) Transportation through TS (ii) ship fire accident in the case of nuclear smuggling through TS with oil tanker. These scenarios are modelled and analyzed via RADTRAN 5 code and the results are presented in the paper.

Published
2013

46. Optical fiber humidity sensor based On PVA-coated M-Z interferometer

Author

Jin Yongxing, Lu Shili, Wang Zhaowei, and An Jiali

Subjects
Optical fiber, Materials science, business.industry, Single-mode optical fiber, Humidity, 02 engineering and technology, Polyvinyl alcohol, law.invention, Interferometry, Wavelength, chemistry.chemical_compound, 020210 optoelectronics & photonics, Optics, chemistry, law, Fiber optic sensor, 0202 electrical engineering, electronic engineering, information engineering, Optoelectronics, Relative humidity, business
Abstract

A relative humidity sensor by using a Mach-Zehnder interferometer in a standard single mode fiber (SMF) with two waist-enlarged tapers is proposed and experimentally demonstrated. It is fabricated by waist-enlarged splicing a section of SMF between two SMFs. A thin layer of 5% polyvinyl alcohol (PVA) is dip-coated onto SMF and two tapers. With the increase of relative humidity, the resonance wavelength peak shifts towards longer wavelength. The sensitivity of the relative humidity measurement of 0.09883nm/%RH in the range from 40% to 90%RH is experimentally achieved. The temperature effect of the proposed relative humidity sensor is also analyzed.

Published
2016

47. Temperature-Independent Fiber Bragg Grating Tilt Sensor

Author

董新永 Dong Xinyong, 倪凯 Ni Kai, 徐海松 Xu Haisong, and 金永兴 Jin Yongxing

Subjects
Ultrasonic grating, PHOSFOS, Tilt sensor, Optics, Materials science, Fiber Bragg grating, business.industry, Fiber optic sensor, Temperature independent, business, Atomic and Molecular Physics, and Optics, Electronic, Optical and Magnetic Materials
Published
2010

48. Expermental Studies of Multimode Interference Based Fiber Optic Refractive Index Sensors

Author

王剑锋 Wang Jianfeng, 金永兴 Jin Yongxing, 赵宇 Zhao Yu, and 董新永 Dong Xinyong

Subjects
Materials science, Optical fiber, Optics, law, business.industry, Multimode interference, Electrical and Electronic Engineering, business, Refractive index, Graded-index fiber, Atomic and Molecular Physics, and Optics, Electronic, Optical and Magnetic Materials, law.invention
Published
2010

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