radio astronomer

Radio astronomer Melanie Johnston-Hollitt at Victoria University, Wellington, NZ, has collaborated with IBM for developing the system.

来自新西兰惠灵顿维多利亚大学的射电天文学家Melanie Johnston-Hollitt与IBM合作开发了该系统。

It is the natural frequency of emission of the hydrogen atoms in space and was discovered by us in1951; it must be known to any kind of radio astronomer in the universe.

它是人们于1951年发现的太空氢原子的天然发射频率，宇宙间任何一种射电天文学家都必定知道它。

Reflector antennas, which have the advantage of high gain and simple structure, are widely applied in some fields, such as communication, radar and radio astronomer.

反射面天线由于高增益和结构简单等优点广泛应用于通信、雷达、射电天文等技术领域。