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Extracting the centroid of the light spot by two-dimensional sigmoid fitting 期刊论文
Optical Engineering, 2018, 卷号: 57, 期号: 10, 页码: 104113(1-7)
作者:  Hui Zhang;  Guoping Li;  Yong Zhang;  Shouwei Hu
浏览  |  Adobe PDF(2178Kb)  |  收藏  |  浏览/下载:493/152  |  提交时间:2019/02/03
Centroid Estimation  Subpixel Edge Detection  Intensity Profile Fitting  Optical Sensing  
Upgradation progress of 13.7m millimeter radio telescope reflector surface maintenance test 会议论文
Ground-based and Airborne Telescopes V, Montréal, Quebec, Canada, 2014-6-22
作者:  Yong Zhang;  Dehua Yang;  Guohua Zhou;  You Wang;  Aihua Li;  Yeping Li;  Anfang Liu;  Yizhong Zeng;  Guoping Li;  Qimeng Wang
浏览  |  Adobe PDF(1528Kb)  |  收藏  |  浏览/下载:576/161  |  提交时间:2015/03/13
Radio Telescope  Laser Scanning Antenna Sensing  Active Reflector Maintenance  
Progress of the active reflector antenna using laser angle metrology system 会议论文
Ground-based and Airborne Telescopes IV, Amsterdam, Netherlands, 2012-7-1
作者:  Yong Zhang;  Jie Zhang;  Dehua Yang;  Guohua Zhou;  Aihua Li;  Guoping Li
浏览  |  Adobe PDF(3066Kb)  |  收藏  |  浏览/下载:535/158  |  提交时间:2014/01/12
Radio Telescope  Active Reflector  Sub-millimeter  Real-time  
An active reflector antenna using a laser angle metrology system 期刊论文
Research in Astronomy and Astrophysics, 2012, 卷号: 12, 期号: 6, 页码: 713–722
作者:  Yong Zhang;  Jie Zhang;  De-Hua Yang;  Guo-Hua Zhou;  Ai-Hua Li;  Guo-Ping Li
浏览  |  Adobe PDF(606Kb)  |  收藏  |  浏览/下载:474/145  |  提交时间:2014/01/09
Radio Radiation  Telescopes  Active Optics  Sub-millimeter  
A new efficient laser angle metrology system for maintaining the large radio telescope active reflecting antenna 会议论文
Ground-based and Airborne Telescopes III, San Diego, California, USA, 2008-6-27
作者:  Yong Zhang;  Dehua Yang;  Yeping Li;  Guohua Zhou;  Aihua Li;  Guoping Li;  Zhenchao Zhang
浏览  |  Adobe PDF(9883Kb)  |  收藏  |  浏览/下载:586/87  |  提交时间:2014/01/02
Radio Telescope  Laser Scanning Antenna Sensing  Panel Segmentation  Active Antenna Maintaining