文中所作的主要工作是为云南天文台十米抛物面设计、制造一付好的对数周期偶极子天线(LPDA)作馈源。
The major work of this thesis is to design and make a good LPDA(log-periodic dipole antenna)as the feed of the ten-meter parabolic reflectors at the Yunnan Observatory.
本文阐述了用于大型天文光学望远镜主、付镜的气压、液压支承的运行原理及结构形式和设计方法。
Hydrostatic and pneumatic supports of telescope mirror are described for its operating principle, structure type and design.
本文阐述了用于大型天文光学望远镜主、付镜的气压、液压支承的运行原理及结构形式和设计方法。
Hydrostatic and pneumatic supports of telescope mirror are described for its operating principle, structure type and design.
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