期刊文献+
共找到1篇文章
< 1 >
每页显示 20 50 100
Protection of Radio Astronomy Frequency in China
1
作者 Wu Shengyin (Beijing Astronomical Observatory, The Chinese Academy of Sciences, Beijing 100012, China) 《天文研究与技术》 CSCD 1999年第S1期90-93,共4页
General situation of the protection of radio astronomy frequency in China is introduced in this paper. The organization that is responsible for the management of radio frequencies in China, then the environment of int... General situation of the protection of radio astronomy frequency in China is introduced in this paper. The organization that is responsible for the management of radio frequencies in China, then the environment of international cooperation are briefly described in the first two section. The situation of the protection of radio astronomy frequency we met, and what we have done and ever achieved so far are followed to show a geneneral scene of radio environment for radio astronomy in China. 展开更多
关键词 RADIO protection of Radio Astronomy frequency in China
下载PDF
上一页 1 下一页 到第
使用帮助 返回顶部