基于层次分析法的巨型射电望远镜选址策略研究

Siting Strategy of Giant Radio Telescope Based on Analytic Hierarchy Process

为提供良好的天文观测环境条件,更好地确定巨型射电望远镜的备用选址,以500 m口径球面射电望远镜(Five-hundred-meter Aperture Spherical radio Telescope,FAST)为例,对其选址影响因素进行分析,利用层次分析法确定各因素所占权重,建立巨型射电望远镜的选址决策指标体系,进而选择位于新疆维吾尔自治区阿勒泰地区富蕴县富蕴站西南方向某天然巨型洼地作为巨型射电望远镜备用选址地点,进行评价分析。结果表明,基于层次分析的巨型射电望远镜选址策略较传统方法更具直观性和科学性,且能满足实际选址要求。

To provide good conditions for astronomical observation and select a better standby site for the giant radio telescope,the 500-meter Aperture Spherical radio Telescope(FAST)is taken as an example to analyze the influencing factors of site selection.The weight of each factor is determine by using Analytic Hierarchy Process(AHP),and the site selection indicator system for giant radio telescope is established.A natural giant depression located in the south-west of Fuyun Station,Fuyun County,Altay Region,Xinjiang Uygur Autonomous Region,is selected as the standby site of the giant radio telescope.The evaluation analysis is conducted.The results show that the siting method based on AHP not only meets the actual requirements for site selection,but also proves more intuitive and scientifically rigorous than traditional ones.