Study on Telescope Gain Affected by a Multilevel Hybrid Mechanism in FAST | Zendy

Chai Xiaoming | Zendy; Fan Jin | Zendy; Zhou Lanchuan | Zendy; Peng Bo | Zendy

AI Assistant Blog Pricing

Home ZAIA Blog

Open Access

Study on Telescope Gain Affected by a Multilevel Hybrid Mechanism in FAST

Author(s) -

Chai Xiaoming,

Fan Jin,

Zhou Lanchuan,

Peng Bo

Publication year - 2014

Publication title -

advances in mechanical engineering

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.318

H-Index - 40

ISSN - 1687-8132

DOI - 10.1155/2014/841526

Subject(s) - telescope , mechanism (biology) , radio telescope , workspace , aperture (computer memory) , computer science , position (finance) , control theory (sociology) , simulation , optics , physics , acoustics , artificial intelligence , control (management) , robot , astrophysics , finance , quantum mechanics , economics

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.

The content you want is available to Zendy users.

Already have an account? Click here to sign in.

Having issues? You can contact us here

Accelerating Research