PMO OpenIR
Reflector surface alignment based on antenna gain measurements under perturbations
Lou, Zheng1,2; Zuo, Yingxi1,2; Zhang, Xiaoling1,2,3; Kang, Haoran1,2,3; Qian, Yuan1,2
2019-04-01
Source PublicationJOURNAL OF ASTRONOMICAL TELESCOPES INSTRUMENTS AND SYSTEMS
ISSN2329-4124
Volume5Issue:2Pages:11
Corresponding AuthorLou, Zheng(zhenglou@pmo.ac.cn)
AbstractWe describe a method for the measurement and alignment of reflector surfaces of radio telescopes with high precision. The scheme is based on antenna gain measurements under a series of active surface perturbations in terms of a set of orthogonal basis functions. Both local and global basis functions can be employed, resulting in different spatial resolution and different requirements on signal-to-noise ratio. Both theoretical studies and numerical simulations are presented, and demonstration experiments on a 1.2-m submillimeter antenna are reported. Practical considerations, including the effects of antenna mispointing and near field operation, are also discussed. (C) 2019 Society of Photo-Optical Instrumentation Engineers (SPIE)
Keywordradio telescopes reflector antenna surface measurement surface alignment radio holography
DOI10.1117/1.JATIS.5.2.024003
WOS KeywordRADIO HOLOGRAPHY ; PHASE RETRIEVAL ; TELESCOPE ; FOCUS
Indexed BySCI
Language英语
WOS Research AreaEngineering ; Instruments & Instrumentation ; Optics
WOS SubjectEngineering, Aerospace ; Instruments & Instrumentation ; Optics
WOS IDWOS:000481881700025
PublisherSPIE-SOC PHOTO-OPTICAL INSTRUMENTATION ENGINEERS
Citation statistics
Document Type期刊论文
Identifierhttp://libir.pmo.ac.cn/handle/332002/28107
Collection中国科学院紫金山天文台
Corresponding AuthorLou, Zheng
Affiliation1.Purple Mt Observ, Nanjing, Jiangsu, Peoples R China
2.Chinese Acad Sci, Key Lab Radio Astron, Nanjing, Jiangsu, Peoples R China
3.Univ Sci & Technol China, Sch Astron & Space Sci, Hefei, Anhui, Peoples R China
Recommended Citation
GB/T 7714
Lou, Zheng,Zuo, Yingxi,Zhang, Xiaoling,et al. Reflector surface alignment based on antenna gain measurements under perturbations[J]. JOURNAL OF ASTRONOMICAL TELESCOPES INSTRUMENTS AND SYSTEMS,2019,5(2):11.
APA Lou, Zheng,Zuo, Yingxi,Zhang, Xiaoling,Kang, Haoran,&Qian, Yuan.(2019).Reflector surface alignment based on antenna gain measurements under perturbations.JOURNAL OF ASTRONOMICAL TELESCOPES INSTRUMENTS AND SYSTEMS,5(2),11.
MLA Lou, Zheng,et al."Reflector surface alignment based on antenna gain measurements under perturbations".JOURNAL OF ASTRONOMICAL TELESCOPES INSTRUMENTS AND SYSTEMS 5.2(2019):11.
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