Influence and Correction of Wavefront Primary Aberrations for Radio Telescopes using Aberration Theory
文献类型：期刊论文
| 作者 | Xiang, Bin-bin4 ; Wang, Wei3; Ban, You4; Lin, Shang-min2; Wen, Zhi-gang1; He, Da-lin1; Cai, Ming-hui1
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| 刊名 | RESEARCH IN ASTRONOMY AND ASTROPHYSICS
 |
| 出版日期 | 2023-02-01 |
| 卷号 | 23期号:2页码:10 |
| ISSN号 | 1674-4527 |
| 关键词 | telescopes methods: analytical instrumentation: miscellaneous |
| DOI | 10.1088/1674-4527/aca64b |
| 通讯作者 | Xiang, Bin-bin(xiangbinbin031@163.com) |
| 英文摘要 | Dual-reflector antennas are widely used in astronomical observations and satellite communication. Structural deformations of the reflectors for radio telescopes are inevitable in outside working conditions due to exterior environment loads, which will cause distortion in the surface of the primary reflector and displacement of the subreflector, then lead to gain degradation and misalignment. In this paper, the influence and correction of misalignment in a dual-reflector antenna have been studied. From the perspective of wavefront aberration, a method is proposed to correct the wavefront primary aberration by adjusting the subreflector position. The characteristics of wavefront errors caused by structural deformation of the reflector have been analyzed, and relationships between the position motions of the subreflector and the Seidel wavefront aberrations are derived. The adjustment quantities of the subreflector are also derived. The results show the appropriate positional change of the subreflector in the lateral and axial directions can effectively correct the effects of the tilt and defocus in the primary aberrations caused by antenna structural deformations. |
| WOS关键词 | CASSEGRAIN ANTENNA ; REFLECTOR ANTENNA ; FIELDS |
| 资助项目 | National Natural Science Foundation of China (NSFC)[U1931137] ; National Key Basic Research Program of China[2018YFA0404702] |
| WOS研究方向 | Astronomy & Astrophysics |
| 语种 | 英语 |
| 出版者 | NATL ASTRONOMICAL OBSERVATORIES, CHIN ACAD SCIENCES |
| WOS记录号 | WOS:000917780300001 |
| 资助机构 | National Natural Science Foundation of China (NSFC) ; National Key Basic Research Program of China |
| 源URL | [http://ir.xao.ac.cn/handle/45760611-7/5058]  |
| 专题 | 脉冲星研究团组 新疆天文台_110米口径全可动射电望远镜（SmART）_技术成果 微波接收机技术实验室 射电天文研究室_喀什观测站 |
| 通讯作者 | Xiang, Bin-bin |
| 作者单位 | 1.Chinese Acad Sci, Xinjiang Astron Observ, Urumqi 830011, Peoples R China 2.Chinese Acad Sci, Xian Inst Opt & Precis Mech, Xian 710119, Peoples R China 3.Xidian Univ, Sch Mechanoelect Engn, Xian 710071, Peoples R China 4.Xinjiang Univ, Sch Mech Engn, Urumqi 830017, Peoples R China |
| 推荐引用方式 GB/T 7714 | Xiang, Bin-bin,Wang, Wei,Ban, You,et al. Influence and Correction of Wavefront Primary Aberrations for Radio Telescopes using Aberration Theory[J]. RESEARCH IN ASTRONOMY AND ASTROPHYSICS,2023,23(2):10. |
| APA | Xiang, Bin-bin.,Wang, Wei.,Ban, You.,Lin, Shang-min.,Wen, Zhi-gang.,...&Cai, Ming-hui.(2023).Influence and Correction of Wavefront Primary Aberrations for Radio Telescopes using Aberration Theory.RESEARCH IN ASTRONOMY AND ASTROPHYSICS,23(2),10. |
| MLA | Xiang, Bin-bin,et al."Influence and Correction of Wavefront Primary Aberrations for Radio Telescopes using Aberration Theory".RESEARCH IN ASTRONOMY AND ASTROPHYSICS 23.2(2023):10. |
入库方式： OAI收割
来源：新疆天文台
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