射电望远镜选址中广播信号传输衰减的测量与分析  

Measurement and Analysis of Transmission Attenuation of Radio Signal for Electromagnetic Environment in Radio Astronomic Observatories

作　　者：刘东亮[1] 李建斌[1] 孙建民 

机构地区：[1]中国科学院国家天文台,北京100012 [2]贵州省无线电监测站,贵阳550001

出　　处：《科学技术与工程》2012年第1期11-15,共5页Science Technology and Engineering

基　　金：中国科学院国家天文台青年人才基金;(0835032002)资助

摘　　要：针对国家天文台乌鲁木齐天文站80 m射电望远镜预选站址的电磁环境实测数据,参考国际GB/T 14617.2—93与Deygout模型对传播衰减进行测量与验证。介绍了广播信号山地传输衰减的测量方法,结合实际监测给出了可行的测量方案,传播模型验证与测量结果分析。Measurement of transmission attenuation of radio signal for electromagnetic environment in 80 m radio telescope of Urumqi astronomical observatory is mainly focused.International GB/T 14617.2—93 and Deygout model of transmission attenuation measurement to analysis are referenced and verified the model.The radio signal attenuation via hill transmission,combining with actual measurement methods to generate the feasible measurement model is introduced.

关 键 词：射电天文 电磁环境 Deygout模型 

分 类 号：P161.1[天文地球—天文学]