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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  
Performance Analysis and Optimization of a Modified Stewart Platform for the Qitai Radio Telescope 期刊论文
RESEARCH IN ASTRONOMY AND ASTROPHYSICS, 2023, 卷号: 23, 期号: 9, 页码: 095022
Authors:  Kazezkhan, Guljaina;  Xu, Qian;  Wang, Na;  Xue, Fei;  Wang, Hui
Adobe PDF(1344Kb)  |  Favorite  |  View/Download:14/0  |  Submit date:2023/11/14
telescopes  methods: analytical  methods: numerical  
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 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