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Subreflector adjustment system for NSRT
Xiang, Binbin1,2; Wang, Na1,2; Chen, Maozheng1,2; Aili, Yusup1,2; Xu, Qian1,2; Xue, Fei1; Hazezhan, Guljaina1,3; He, Dalin1; Wen, Zhigang1
2018
Conference NameGround-Based and Airborne Telescopes VII 2018
Source PublicationGround-Based and Airborne Telescopes VII 2018
Volume10700
Pages107002E
Conference DateJune 10, 2018 - June 15, 2018
Correspondent Emailxiangbinbin@xao.ac.cn
Conference PlaceAustin, TX, United states
CountryUnited states
Author of Source4D Technology ; Andor Technology, Ltd. ; Astronomical Consultants and Equipment, Inc. ; et al. ; Giant Magellan Telescope ; GPixel, Inc.
PublisherSPIE
Contribution Rank1
AbstractThe Nanshan radio telescope (NSRT) is a fully steerable radio telescope with a diameter of 26 meters, located in Urumqi, Xinjiang, China. The NSRT currently operate in the frequency range from 1.4 GHz to 22.4 GHz. In order to reduce effect of gravity-induced structural deformations on antenna efficiency and pointing accuracy, the subreflector adjustment system has been used to adjust subreflector position in 6 degree-of-freedom to correct subreflector defocusing and reflectors misalignment. The Stewart platform is used as the adjustment mechanism to perform translation -50/+50 mm (along x, y, z axis) and rotation -5/+5 degree (with respect to x, y axis) with repeated positioning accuracies of 0.07 mm (translation) and 0.01 degree (rotation). The paper will mainly introduce an overview of the NSRT subreflector adjustment system, including Stewart platform and control system, performance testing, and position adjustment of subreflector. 2018 SPIE.
KeywordRadio telescopes Airborne telescopes Degrees of freedom (mechanics) Steerable antennas
DOI10.1117/12.2315172
URL查看原文
Indexed ByEI ; CPCI
Language英语
ISSN0277-786X
WOS IDWOS:000450858000067
EI Accession Number20183305684461
Citation statistics
Document Type会议论文
Identifierhttp://ir.xao.ac.cn/handle/45760611-7/3189
Collection射电天文研究室_天线技术实验室
射电天文研究室
Corresponding AuthorXiang, Binbin
Affiliation1.Xinjiang Astronomical Observatory, Chinese Academy of Sciences, Urumqi, Xinjiang, China 830011;
2.Key Laboratory of Radio Astronomy, Chinese Academy of Sciences, Urumqi, Xinjiang,China 830011;
3.University of Chinese Academy of Sciences, Beijing, China 100049
First Author AffilicationXinjiang Astronomical Observatory, Chinese Academy of Sciences
Corresponding Author AffilicationXinjiang Astronomical Observatory, Chinese Academy of Sciences
Recommended Citation
GB/T 7714
Xiang, Binbin,Wang, Na,Chen, Maozheng,et al. Subreflector adjustment system for NSRT[C]//4D Technology, Andor Technology, Ltd., Astronomical Consultants and Equipment, Inc., et al., Giant Magellan Telescope, GPixel, Inc.:SPIE,2018:107002E.
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