INSTRUMENTATION

作品数：366被引量：492H指数：9
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Research on Vibration Control of FAST Feed Cabin Based on Active Mass Damper
《Research in Astronomy and Astrophysics》2024年第11期119-131,共13页Lucong Zhang Jinghai Sun Peng Jiang 
In this paper,an effective active vibration control method was investigated to further improve the positioning accuracy of the Five-hundred-meter Aperture Spherical radio Telescope(FAST)feed cabin.The actual operation...
关键词：telescopes-methods data analysis-instrumentation miscellaneous-techniques miscellaneous-Astronomical Instrumentation-Methods and Techniques 
Multi-field Split Curvature Wavefront Sensing and its Application in the Large Field Survey Telescope
《Research in Astronomy and Astrophysics》2024年第8期60-74,共15页Zhixu Wu Yiming Zhang Jianan Cong Hua Bai Yong Xia Rongxin Tang Ming Li Zhengyang Li Xiangyan Yuan 
supported by the National Natural Science Foundation of China(grant No.12173062)。
The image quality of a large field survey telescope with a fast focal ratio of the primary mirror is high sensitivity to the optical elements’misalignments and the primary mirror’s deformations.To maintain good opti...
关键词：INSTRUMENTATION high angular resolution-Techniques photometric-Techniques image processing 
Distributed Control Software for the Active Surface System of Tian-ma Radio Telescope
《Research in Astronomy and Astrophysics》2023年第11期225-231,共7页Dong Zhang Rong-Bing Zhao Zhen Yan Wei-Hua Shang-Guan Qian Ye Zhi-Qiang Shen Qing-Hui Liu Jin-Qing Wang Li Fu Chu-Yuan Zhang Dong-Fang Song Si-Yu Liu 
supported by the National SKA Program of China,No. 2020SKA0120104;the Natural Science Foundation of Shanghai,No. 20ZR1467600。
The Tian-ma Radio Telescope(TMRT) applies an Active Surface System(ASFS), which corrects for large-scale deformations due to gravity and thermal on the primary reflector. The centralized and automated management of th...
关键词：Astronomical Instrumentation Methods and Techniques telescopes instrumentation:high angular resolution techniques:high angular resolution 
A High-Temperature Superconducting Wideband Bandpass Filter at the L Band for Radio Astronomy
《Research in Astronomy and Astrophysics》2023年第11期25-30,共6页Xinyu Zhu Jianbin Li Boyu Lu Bin Wei Yifan Jiang Linan Jiang Chao Hu 
supported by the Science and Technology Project of Tibet Autonomous under grant XZ201901-GB-21;the National Natural Science Foundation of China under grant11073027;the Science and Technology Research and Development Program Project of China National Railway Group under grant P2021G011。
In order to ensure the normal operation of radio astronomy observations,an extremely sensitive receiver system needs to be equipped in front of the large radio telescope.An 8-pole wideband high-temperature superconduc...
关键词：instrumentation:detectors techniques:radar astronomy telescopes 
YFPOL: A Linear Polarimeter of Lijiang 2.4 m Telescope
《Research in Astronomy and Astrophysics》2022年第9期10-34,共25页Yu-Xin Xin Jin-Ming Bai Zhong-Quan Qu Zhi Xu Ji-Rong Mao Kai Ye Bao-Li Lun Xu Ding Hong-Tao Liu Yue Zhong Yu-Feng Fan Xiao-Guang Yu Liang Xu Xiao-Bo Dong Jian-Guo Wang Ding-Rong Xiong 
supported by the National Key R&D Program of China with No.2021YFA1600404;the National Natural Science Foundation of China (NSFC, Grant Nos. 11991051, 11573067, 11673062,11527804, U1931206 and 11873091);the CAS “Light of West China” Program;the Yunnan Province Basic Research Plan with No. 2019FA001;the China Manned Space Project with No. CMS-CSST-2021-A06;funded by Yunnan Province,Chinese Academy of Sciences and NSFC。
Polarimetry plays an important role in investigating physical properties for celestial objects. We present a polarimeter named YFPOL for the Cassegrain focus of the Lijiang 2.4 m Telescope(LJT) of Yunnan Observatories...
关键词：POLARIZATION instrumentation:polarimeters techniques:image processing techniques:polarimetric 
A New Fiber Detection Method for LAMOST Based on the Front-illuminated Method
《Research in Astronomy and Astrophysics》2022年第6期42-51,共10页Ming Zhou Yong Zhang Guanru Lv Jian Li Zengxiang Zhou Zhigang Liu Jianping Wang Zhongrui Bai Yuan Tian Mengxin Wang Shuqing Wang Hongzhuan Hu Chao Zhai Jiaru Chu Zhijie Han Mingxu Liu Yiqiao Dong Hailong Yuan Yongheng Zhao Yaoquan Chu Haotong Zhang 
supported by the Maintenance and renovation project of Major Science and Technology foundational facility of the Chinese Academy of Sciences,DSS-WXGZ-2020-0009 and DSS-WXGZ-2021-0004;the support of the National Key R&D Program of China(2019YFA0405000);NFSC 12090041,U1931207,U2031207 and U1931126;the support of the National Natural Science for Youth Foundation of China(No.11603043);Guo Shou Jing Telescope(the Large sky Area Multi-Object fiber Spectroscopic Telescope,LAMOST)is a National Major Scientific Project built by the Chinese Academy of Sciences.Funding for the project has been provided by the National Development and Reform Commission;LAMOST is operated and managed by the National Astronomical Observatories,Chinese Academy of Sciences。
The double revolving fiber positioning technology is one of the key technologies for the success of the Large Sky Area Multi-Object Fiber Spectroscopic Telescope(LAMOST).The accuracy of fiber positioning will directly...
关键词：TECHNIQUES image processing-methods data analysis-instrumentation detectors 
Design of RFSoC-based Digital Phased Array Feed(PAF)and Hybrid Architecture Beamforming System被引量：6
《Research in Astronomy and Astrophysics》2022年第4期169-184,共16页Xin Pei Na Wang Dan Werthimer Xue-Feng Duan Jian Li Toktonur Ergesh Qi Liu Ming-Hui Cai 
funded by the National Natural Science Foundation of China(NSFC,Grant No.12073066);the National Key R&D Program of China under No.2021YFC2203502;the Youth Innovation Promotion Association of CAS under No.2020063;the NSFC(Grant Nos.61931002,12073067 and 11973077);the Natural Science Foundation of Xinjiang Uygur Autonomous Region under No.2021D01E07;partly supported by the Operation,Maintenance and Upgrading Fund for Astronomical Telescopes and Facility Instruments,budgeted from the Ministry of Finance of China(MOF)and administrated by the Chinese Academy of Sciences(CAS)。
As the number of array elements and bandwidth increase,the design challenges of the Phased Array Feed(PAF)front-end and its signal processing system increase.Aiming at the ng-PAF of the 110 m radio telescope,this arti...
关键词：instrumentation:miscellaneous techniques:miscellaneous telescopes 
Design of a multi-function high-speed digital baseband data acquisition system
《Research in Astronomy and Astrophysics》2021年第10期61-72,共12页Xin Pei Jian Li Na Wang Toktonur Ergesh Xue-Feng Duan Jun Ma Mao-Zheng Chen 
funded by the National Natural Science Foundation of China(NSFC,Nos.12073066,61931002 and 12073067);the Youth Innovation Promotion Association of Chinese Academy of Sciences(CAS,No.2020063);partly supported by the Operation,Maintenance and Upgrading Fund for Astronomical Telescopes and Facility Instruments,budgeted from the Ministry of Finance of China(MOF)and administrated by the CAS。
A multi-function digital baseband data acquisition system is designed for the sampling,distribution and recording of wide-band multi-channel astronomical signals.The system hires a SNAP2board as a digital baseband con...
关键词：instrumentation:miscellaneous techniques:miscellaneous site testing 
Azimuth Control for Large Aperture Telescope Based on Segmented Arc Permanent Magnet Synchronous Motors被引量：1
《Research in Astronomy and Astrophysics》2021年第7期84-90,共7页Xiao-Li Song Da-Xing Wang Wang-Ping Zhou 
supported by the National Natural Science Foundation of China(Grant Nos.11673045 and 11573046);the support of National Astronomical Observatories/Nanjing Institute of Astronomical Optics&Technology,Chinese Academy of Sciences。
A tracking control algorithm based on active disturbance rejection controller(ADRC) is proposed to overcome the telescope's mount fluctuation. The fluctuations are caused by internal and external disturbance when the ...
关键词：techniques:telescopes instrumentation:miscellaneous methods:miscellaneous TECHNIQUES 
Optical system research of multi-object fiber spectroscopic survey telescope被引量：2
《Research in Astronomy and Astrophysics》2021年第6期199-206,共8页Hua Bai Ding-Qiang Su Ming Liang Stephen A.Shectman Xiang-Yan Yuan Xiang-Qun Cui 
In the first part of this paper,four different Cassegrain optical systems with their correctors are designed and studied for multi-object fiber slit spectroscopic survey.The aperture in 6.5 m and field of view 3°are ...
关键词：telescopes techniques:miscellaneous techniques:spectroscopic methods:miscellaneous surveys instrumentation:miscellaneous 
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