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Study on Telescope Gain Affected by a Multilevel Hybrid Mechanism in FAST
Chai, Xiaoming1; Fan, Jin1; Zhou, Lanchuan1; Peng, Bo1,2
2014
发表期刊ADVANCES IN MECHANICAL ENGINEERING
摘要This paper focuses on the telescope gain affected by a multilevel hybrid mechanism for the feed positioning in the five-hundred-meter aperture spherical radio telescope (FAST) project, which is based on the positioning accuracy analysis of the mechanism. First, error model for the whole mechanism is established and its physical meaning is clearly explained. Then two kinds of error sources are mainly considered: geometric errors and structural deformations. The positioning error over the mechanism's workspace is described by an efficient and intuitive approach. As the feed position error will lower the telescope gain, this influence is analyzed in detail. In the end, it is concluded that the design of the mechanism can meet the requirement of the telescope performance.
文章类型Article
WOS标题词Science & Technology ; Physical Sciences ; Technology
DOI10.1155/2014/841526
收录类别SCI
语种英语
WOS研究方向Thermodynamics ; Engineering
WOS类目Thermodynamics ; Engineering, Mechanical
WOS记录号WOS:000335037100001
引用统计
文献类型期刊论文
条目标识符http://libir.pmo.ac.cn/handle/332002/15671
专题暗物质和空间天文实验室
作者单位1.Chinese Acad Sci, Natl Astron Observ, Joint Lab Radio Astron Technol, Beijing 100012, Peoples R China
2.Chinese Acad Sci, Key Lab Radio Astron, Beijing 100012, Peoples R China
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GB/T 7714
Chai, Xiaoming,Fan, Jin,Zhou, Lanchuan,et al. Study on Telescope Gain Affected by a Multilevel Hybrid Mechanism in FAST[J]. ADVANCES IN MECHANICAL ENGINEERING,2014.
APA Chai, Xiaoming,Fan, Jin,Zhou, Lanchuan,&Peng, Bo.(2014).Study on Telescope Gain Affected by a Multilevel Hybrid Mechanism in FAST.ADVANCES IN MECHANICAL ENGINEERING.
MLA Chai, Xiaoming,et al."Study on Telescope Gain Affected by a Multilevel Hybrid Mechanism in FAST".ADVANCES IN MECHANICAL ENGINEERING (2014).
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