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兰州理工大学 [9]
自动化研究所 [4]
光电技术研究所 [3]
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宁波材料技术与工程研... [2]
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期刊论文 [21]
会议论文 [1]
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2020 [22]
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Feature extraction method of wind turbine blade surface scratches based on image processing
期刊论文
Taiyangneng Xuebao/Acta Energiae Solaris Sinica, 2020, 卷号: 41, 期号: 12, 页码: 278-287
作者:
Li, Wanrun
;
Zhang, Jianfei
;
Wang, Xueping
;
Du, Yongfeng
收藏
  |  
浏览/下载:6/0
  |  
提交时间:2022/02/17
Automation
Corrosion
Gabor filters
Image enhancement
Image segmentation
Interpolation
Turbine components
Turbomachine blades
Wind turbines
Corrosion threshold
Feature extraction methods
Gradient thresholds
Information entropy
Morphological opening
Optimum threshold
Spline interpolation
Wind turbine blades
Comparative study on vertical dynamic models of single person walking load
期刊论文
Jianzhu Jiegou Xuebao/Journal of Building Structures, 2020, 卷号: 41, 页码: 389-396 and 403
作者:
Zhu, Qiankun
;
Shang, Xuqiang
;
Zhang, Qiong
;
Du, Yongfeng
;
Zivanovic, Stana
收藏
  |  
浏览/下载:2/0
  |  
提交时间:2022/02/17
Dynamic loads
Flexible structures
Vibration analysis
Biological forces
Comparative studies
Human structures
Induced vibrations
Research results
Slab structures
Vertical dynamics
Vibration characteristics
Experimental study on vertical dynamic coupling effect of pedestrian-structure
期刊论文
Jianzhu Jiegou Xuebao/Journal of Building Structures, 2020, 卷号: 41, 期号: 11, 页码: 125-133
作者:
Zhu, Qiankun
;
Ma, Farong
;
Zhang, Qiong
;
Du, Yongfeng
收藏
  |  
浏览/下载:3/0
  |  
提交时间:2022/02/17
Damping
Dynamic loads
Flexible structures
Footbridges
Modal analysis
Acceleration response
Acceleration sensors
Acceleration-time history
Dynamic characteristics
Long span structures
Operational modal analysis
Structural frequencies
Structure and dynamics
Experimental study on vertical dynamic coupling effect of pedestrian-structure
期刊论文
Jianzhu Jiegou Xuebao/Journal of Building Structures, 2020, 卷号: 41, 期号: 11, 页码: 125-133
作者:
Zhu, Qiankun
;
Ma, Farong
;
Zhang, Qiong
;
Du, Yongfeng
收藏
  |  
浏览/下载:12/0
  |  
提交时间:2020/11/14
Damping
Dynamic loads
Flexible structures
Footbridges
Modal analysis
Acceleration response
Acceleration sensors
Acceleration-time history
Dynamic characteristics
Long span structures
Operational modal analysis
Structural frequencies
Structure and dynamics
The Roles Played by DMF in the Structure Formation of Epoxy-Based Porous Monolith
期刊论文
POLYMER SCIENCE SERIES B, 2020, 页码: 8
作者:
Mi, Yace
;
Liu, Sa
;
Zhang, Yongfeng
;
Sun, Junmin
;
Zhou, Weiqing
收藏
  |  
浏览/下载:25/0
  |  
提交时间:2020/09/22
Studies on corrosion resistance of thick Ti/TiN multilayer coatings under solid NaCl-H2O-O-2 at 450 degrees C
期刊论文
CERAMICS INTERNATIONAL, 2020, 卷号: 46, 期号: 11, 页码: 19274-19284
作者:
Zhang, Mingming
;
Niu, Yunsong
;
Xin, Li
;
Su, Jianxiu
;
Li, Yongfeng
收藏
  |  
浏览/下载:26/0
  |  
提交时间:2021/02/03
Analytical study of in-plane rotation error for segmented mirror
会议论文
Beijing, China, December 3, 2019 - December 5, 2019
作者:
Zhang, Yongfeng
;
Xian, Hao
收藏
  |  
浏览/下载:5/0
  |  
提交时间:2021/05/11
Study on monitoring method of wind power blades erosion severity under wind-sand storm based on machine vision technology
期刊论文
Taiyangneng Xuebao/Acta Energiae Solaris Sinica, 2020, 卷号: 41, 期号: 5, 页码: 166-173
作者:
Wang, Xueping
;
Zhang, Jianfei
;
Li, Wanrun
;
Du, Yongfeng
;
Li, Hui
收藏
  |  
浏览/下载:3/0
  |  
提交时间:2022/02/17
Computer vision
Image segmentation
Wind power
Extraction of characteristics
Generating efficiencies
Image intensification
Image processing technique
Monitoring methods
Nondestructive detecting method
Nondestructive detection
Spatial filterings
Study on monitoring method of wind power blades erosion severity under wind-sand storm based on machine vision technology
期刊论文
Taiyangneng Xuebao/Acta Energiae Solaris Sinica, 2020, 卷号: 41, 期号: 5, 页码: 166-173
作者:
Wang, Xueping
;
Zhang, Jianfei
;
Li, Wanrun
;
Du, Yongfeng
;
Li, Hui
收藏
  |  
浏览/下载:20/0
  |  
提交时间:2020/11/14
Computer vision
Image segmentation
Wind power
Extraction of characteristics
Generating efficiencies
Image intensification
Image processing technique
Monitoring methods
Nondestructive detecting method
Nondestructive detection
Spatial filterings
Association ofDTNBP1With Schizophrenia: Findings From Two Independent Samples of Han Chinese Population
期刊论文
FRONTIERS IN PSYCHIATRY, 2020, 卷号: 11, 页码: 9
作者:
Yang, Yongfeng
;
Zhang, Luwen
;
Guo, Dong
;
Zhang, Lin
;
Yu, Hongyan
收藏
  |  
浏览/下载:35/0
  |  
提交时间:2020/08/03
schizophrenia
DTNBP1
polymorphism
psychotic symptoms
cognition
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