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40 results on '"李英娜"'

1. 16通道光纤布拉格光栅解调系统的研究

Author

张勇军, 赵振刚, 杨洁, 李英娜, 许俊飞, 王渊, and 李川

Subjects
光纤布拉格光栅, 解调系统, 16通道, 光开关, 波分复用, 空分复用, Applied optics. Photonics, TA1501-1820
Abstract

鉴于单通道解调系统一次可检测的光栅波长数目有限,同时为兼顾FBG（光纤布拉格光栅）解调系统与上位机通信的稳定性与高速性,结合波分复用与空分复用技术,研制了多通道、多通信端口的FBG解调系统。通过控制16路光开关的光路切换,可实现对16通道FBG传感网的空分复用,对各通道传感器中心波长进行解调。测试结果表明,解调系统中心波长分辨率为1pm,一次采集光栅波长信息的时间为620ms,16个光通道的FBG传感信息更新最短时间不大于10s,可对约200只光纤光栅传感器进行有效监测。

Published
2015
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2. 光纤电流传感器在智能电网中检测原理的研究

Author

胡明耀, 王达达, 王洪亮, 代云洪, 李英娜, and 李川

Subjects
光纤电流传感器, Rogowski线圈, 光纤Bragg光栅, Sagnac干涉仪, 双折射效应, Applied optics. Photonics, TA1501-1820
Abstract

在智能电网中,电流测量是电力系统中继电保护、电能计量、系统监测和系统分析的关键,其测量的精度与可靠性直接关系到电力系统能否安全、可靠和经济地运行。文章比较了电磁式电流传感器和光纤电流传感器的性能,介绍了目前3种最主要的光纤电流传感器的测量原理,并指出其各自的优点及存在的问题。同时,综述了国内外关于光纤电流传感器的最新研究现状及进展,最后对光纤电流传感器的应用和研究前景进行了展望。

Published
2014
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3. 基于改进灰狼算法的润叶机控制参数优化.

Author

张利萍, 李英娜, 杨苡, 董俊敏, 罗丹萍, and 许晓平

Abstract

Copyright of Information & Control is the property of Gai Kan Bian Wei Hui and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Published
2024
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4. 挤压力对干法制粒机挤压辊运行特性分析.

Author

李英娜, 王晓敏, 韩雷, and 刘志民

Abstract

Copyright of Machine Tool & Hydraulics is the property of Guangzhou Mechanical Engineering Research Institute (GMERI) and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Published
2023
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16. Research of water cup-like fiber Bragg grating settlement gauge

Author

谢涛 Xie Tao, 李英娜 Li Yingna, 许俊飞 Xu Junfei, 郭丹 Guo Dan, 李川 Li Chuan, 仝克帅 Tong Keshuai, 胡明耀 Hu Mingyao, 代云洪 Dai Yunhong, and 赵振刚 Zhao Zhenggang

Subjects
Fiber Bragg grating, Settlement (structural), Geotechnical engineering, Gauge (firearms), Atomic and Molecular Physics, and Optics, Geology
Published
2014
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20. Stress measurement at anchor head by using fiber Bragg grating

Author

李川 Li Chuan, 郭丽君 Guo Lijun, 赵振刚 Zhao Zhengang, 谢涛 Xie Tao, 李英娜 Li Yingna, and 陈富云 Chen Fuyun

Subjects
Materials science, Optics, Fiber Bragg grating, business.industry, Head (vessel), Stress measurement, business, Atomic and Molecular Physics, and Optics
Published
2014
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22. Research of FBG-based duckbill-type cross arms by the strain

Author

赵振刚 Zhao Zhengang, 赵成均 Zhao Chengjun, 徐树振 Xu Shuzhen, 李川 Li Chuan, 于亚红 Yu Yahong, 李英娜 Li Yingna, 田雷 Tian Lei, and 王涛 Wang Tao

Subjects
Optics, Materials science, Strain (chemistry), business.industry, Composite material, business, Atomic and Molecular Physics, and Optics
Published
2014
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23. 响应面法优化复方北冬虫夏草颗粒多糖提取 工艺的研究.

Author

李英娜, 潘美彤, 苑广信, 安丽萍, and 徐广宇

Subjects
CORDYCEPS, WHEAT, BOXES, TIME
Abstract

Copyright of Food Research & Development is the property of Food Research & Development Editorial Department and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Published
2020
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27. FBG Seepage Pressure Sensor Based on Piston Diamond Structure

Author

刘爱莲 Liu Ailian, 孙恩钊 Sun En-zhao, 李川 Li Chuan, 李英娜 Li Yingna, 张长胜 Zhang Chang-sheng, 赵振刚 Zhao Zhengang, and 谢涛 Xie Tao

Subjects
Piston, Materials science, law, Diamond cubic, Composite material, Pressure sensor, Atomic and Molecular Physics, and Optics, law.invention
Published
2017
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28. Fiber Bragg Grating Differential Tilt Sensor Based on Mercury Column Piston Structure

Author

李英娜 Li Yingna, 赵振刚 Zhao Zhengang, 李川 Li Chuan, 王行 Wang Xing, 田素辉 Tian Suhui, and 谢涛 Xie Tao

Subjects
Materials science, business.industry, 05 social sciences, 050801 communication & media studies, 01 natural sciences, Atomic and Molecular Physics, and Optics, Electronic, Optical and Magnetic Materials, law.invention, 010309 optics, Piston, 0508 media and communications, Tilt sensor, Optics, Fiber Bragg grating, law, 0103 physical sciences, Mercury column, business, Differential (mathematics)
Published
2017
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35. Research of FBG-based duckbill-type cross arms by the strain

Author

XU Shuzhen, 徐树振, primary, TIAN Lei, 田雷, additional, ZHAO Chengjun, 赵成均, additional, YU Yahong, 于亚红, additional, WANG Tao, 王涛, additional, LI Yingna, 李英娜, additional, ZHAO Zhengang, 赵振刚, additional, and LI Chuan, 李川, additional

Published
2014
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39. Research of water cup-like fiber Bragg grating settlement gauge

Author

HU Mingyao, 胡明耀, primary, LI Chuan, 李川, additional, DAI Yunhong, 代云洪, additional, GUO Dan, 郭丹, additional, ZHAO Zhenggang, 赵振刚, additional, LI Yingna, 李英娜, additional, XIE Tao, 谢涛, additional, TONG Keshuai, 仝克帅, additional, and XU Junfei, 许俊飞, additional

Published
2014
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40. 典型通信频率的低压电力线通信噪声特性研究.

Author

黄朋飞, 谢涛, 刘爱莲, 李英娜, 曹敏, 李波, 毕志周, 赵振刚, and 李川

Abstract

Copyright of Journal of Zhengzhou University of Light Industry, Natural Science Edition is the property of Journal of Zhengzhou University of Light Industry, Natural Science Edition and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Published
2014
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