| 利用射电天文技术监测空间传播环境 |
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| 引用本文： | 韩文Jun 张喜镇.利用射电天文技术监测空间传播环境[J].电波科学学报,1999,14(4):469-478. |
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| 作者姓名： | 韩文Jun 张喜镇 |
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| 作者单位： | 中国科学院北京天文台!北京100012 |
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| 摘 要： | 在空间时代，沿射线路径的总折射率是研究电波传播的重要参数，常规射电天文技术可监测此参数。基于不同类型射电望远镜和信号起伏，简述了从观测数据中提取传播煤质信息的方法。总结了这种监测方法的特点，与其有关的基础知识，提出取媒质信息的要点和存在的问题。
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| 关 键 词： | 传播煤质 射电望远镜 射电天文技术 电波传播 |
Monitoring of space propagating environment by using radio astronomical technique |
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| HAN Wen jun,ZHANG Xi zhen,MA Zhen guo.Monitoring of space propagating environment by using radio astronomical technique[J].Chinese Journal of Radio Science,1999,14(4):469-478. |
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| Authors: | HAN Wen jun ZHANG Xi zhen MA Zhen guo |
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| Abstract: | The total refractivity content along the ray path is an important propagation parameter in space times.From the points of view on the different types of radio telescopes, and on the signal fluctuation, a brief review about the methods for extracting the total refractivity content from conventional radio astronomical observation have been presented.The characteristics of various methods mentioned above, the basic related knowledges and the problems un solved are also indicated. |
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| Keywords: | Propagation medium Radio telescope Signal fluctuation |
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