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Terrain-influenced wind flow of the Qitai radio telescope site 期刊论文
JOURNAL OF MOUNTAIN SCIENCE, 2023, 卷号: 20, 期号: 11, 页码: 3173-3185
Authors:  He, Fei-long;  Xu, Qian;  Wang, Na;  Xue, Fei;  Wang, Hui
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Radio telescope site  Terrain  Wind flow characteristic  Numerical simulation  
Fixed-time stability super-twisting sliding mode control with mismatched disturbances 期刊论文
MEASUREMENT & CONTROL, 2023, 页码: 14
Authors:  Liang, Juan;  Xu, Qian;  Wang, Na
Adobe PDF(2587Kb)  |  Favorite  |  View/Download:9/0  |  Submit date:2023/11/21
Fixed-time stability  mismatched disturbances  sliding mode control  variable gain super-twisting algorithm  
Measurement and Correction of Pointing Error Caused by Radio Telescope Alidade Deformation based on Biaxial Inclination Sensor 期刊论文
MICROMACHINES, 2023, 卷号: 14, 期号: 7, 页码: 1283
Authors:  Xu, Qian;  Xue, Fei;  Wang, Hui;  Yi, Letian
Adobe PDF(2162Kb)  |  Favorite  |  View/Download:13/0  |  Submit date:2023/11/21
inclinometer  pointing errors  radio telescope  alidade  thermal gradients  track unevenness  
An Integrated Structure Analysis Method of Active Surface Antenna by Using the Simplified Actuator 期刊论文
RESEARCH IN ASTRONOMY AND ASTROPHYSICS, 2023, 卷号: 23, 期号: 7, 页码: 075014
Authors:  Ban, You;  Chai, Peiyuan;  Xu, Qian;  Feng, Shufei
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methods: numerical  telescopes  methods: analytical  
An Online Measurement and Calibration Method for a Radio Telescope Sub-Reflector Support Structure Using Fiber Bragg Grating 期刊论文
MICROMACHINES, 2023, 卷号: 14, 期号: 5, 页码: 1093
Authors:  Xu, Qian;  Bao, Hong
Adobe PDF(3417Kb)  |  Favorite  |  View/Download:11/0  |  Submit date:2023/11/21
sub-reflector  Fiber Bragg Grating (FBG) sensor  self-structuring fuzzy network  measurement model calibration  B-spline functions  
Research on Wind Flow Control by Windbreak Fence for a Large Radio Telescope Site Based on Numerical Simulations 期刊论文
ADVANCES IN ASTRONOMY, 2023, 卷号: 2023, 页码: 5257749
Authors:  He, Feilong;  Xu, Qian;  Wang, Na
Adobe PDF(2976Kb)  |  Favorite  |  View/Download:10/0  |  Submit date:2023/11/21