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Cryogenic MMIC Low-Noise Amplifiers for Radio Telescope Applications 期刊论文
ELECTRONICS, 2025, 卷号: 14, 期号: 8, 页码: 1572
Authors:  Wang, Haohui;  Chen, Maozheng
Adobe PDF(7647Kb)  |  Favorite  |  View/Download：7/1  |  Submit date：2025/07/07
cryogenic low-noise amplifiers (LNAs)  gallium arsenide (GaAs)  monolithic microwave integrated circuits (MMICs)  radio astronomical receiver  
A deep learning approach for predicting the antenna pointing error caused by transmission faults with simulation data 期刊论文
SCIENTIFIC REPORTS, 2024, 卷号: 14, 期号: 1, 页码: 23
Authors:  Chen, Lihui;  Xue, Song;  Lian, Peiyuan;  Xu, Qian;  Wang, Meng;  Wang, Congsi
Adobe PDF(13256Kb)  |  Favorite  |  View/Download：6/1  |  Submit date：2025/02/27
Large antennas  Transmission faults  Pointing accuracy  Axis error  Intelligent prediction  
Untrained single scanning phase retrieval neural network for surface deformation measurement of large-aperture antennas 期刊论文
OPTICS AND LASERS IN ENGINEERING, 2024, 卷号: 183, 页码: 108525
Authors:  Zhang, Zihan;  Ye, Qian;  Wang, Na;  Meng, Guoxiang
Adobe PDF(3139Kb)  |  Favorite  |  View/Download：8/2  |  Submit date：2024/11/27
Antenna surface measurement  Phase retrieval  Untrained deep learning  
Light-tracing based surface deformation measurement strategy for large radio telescopes 期刊论文
EXPERIMENTAL ASTRONOMY, 2024, 卷号: 58, 期号: 3, 页码: 11
Authors:  Zhang, Zihan;  Yang, Dejin;  Ye, Qian;  Wang, Na
Adobe PDF(2387Kb)  |  Favorite  |  View/Download：6/1  |  Submit date：2024/11/27
Radio telescope  Main reflector deformation  Geometric-optical measurement  
An Ultrawide Bandwidth Digital Backend System Based on PFB Algorithm for QTT 期刊论文
ASTRONOMICAL JOURNAL, 2024, 卷号: 168, 期号: 5, 页码: 14
Authors:  Zhang, Hai-long;  Zhang, Ya-zhou;  Guo, Shao-cong;  Du, Xu;  Wang, Na;  Wang, Jie;  Ye, Xin-chen;  Wu, Han;  Li, Jian;  Pei, Xin;  Meng, Qiao
Adobe PDF(3019Kb)  |  Favorite  |  View/Download：23/3  |  Submit date：2024/11/27
Digital Beamforming Demonstration of a Microstrip Antenna Phased Array Feeds (PAF) at 1.25 GHz 期刊论文
RESEARCH IN ASTRONOMY AND ASTROPHYSICS, 2024, 卷号: 24, 期号: 10, 页码: 105003
Authors:  Wu, Peng;  Chen, Mao-Zheng;  Li, Jian;  Wang, Kai;  Cao, Liang;  Yu, Han
Adobe PDF(991Kb)  |  Favorite  |  View/Download：13/2  |  Submit date：2024/11/27
Astronomical Instrumentation  Methods and Techniques  Astronomical Databases  methods: data analysis  
General heterogeneous real-time baseband backend system scheme applied to QTT based on RFSoC plus GPU 期刊论文
FRONTIERS IN ASTRONOMY AND SPACE SCIENCES, 2024, 卷号: 11, 页码: 1420066
Authors:  Zhang, Qing-Song;  Chen, Mao-Zheng;  Li, Jian
Adobe PDF(2825Kb)  |  Favorite  |  View/Download：11/3  |  Submit date：2024/11/27
astronomical backend  QTT  RFSoC  RF signal link  heterogeneous  
Numerical model of the QiTai radio Telescope PAF receiver signal and simulation of interference mitigation 期刊论文
FRONTIERS IN ASTRONOMY AND SPACE SCIENCES, 2024, 卷号: 11, 页码: 1392970
Authors:  Wu, Peng;  Li, Jian;  Chen, Mao-Zheng
Adobe PDF(78602Kb)  |  Favorite  |  View/Download：16/1  |  Submit date：2024/08/26
QiTai radio Telescope  array signal processing  signal numerical model  linear constraint minimum variance  phased array feeds  beamforming  beamformer design  
Origin of extended main-sequence turn-off in open cluster NGC 2355 期刊论文
MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY, 2024, 卷号: 532, 期号: 1, 页码: 1212-1222
Authors:  Maurya, Jayanand;  Samal, M. R.;  Amard, Louis;  Zhang, Yu;  Niu, Hubiao;  Kim, Sang Chul;  Joshi, Y. C.;  Kumar, B.
Adobe PDF(4175Kb)  |  Favorite  |  View/Download：10/1  |  Submit date：2024/08/19
techniques: spectroscopic  Hertzsprung-Russell and colour-magnitude diagrams  stars: rotation  open clusters and associations: individual: NGC 2355  
Re-Optimized Design for the ADR-Based Dual-Loop Controller of 100 m Class Aperture Radio Telescope 期刊论文
MACHINES, 2024, 卷号: 12, 期号: 7, 页码: 448
Authors:  Li, Ning;  Xu, Qian;  Wang, Na;  Liu, Zhiyong
Adobe PDF(2328Kb)  |  Favorite  |  View/Download：12/2  |  Submit date：2024/08/26
large-aperture radio telescope  pointing accuracy  anti-disturbance  dynamic performance