叙述了在太阳射电天文和太阳物理上作出过杰出贡献的几个射电日像仪的概况及 其进步与发展，并简述了未来射电日像仪可以完成的科学目标以及应具有的特点， 以期为在21世纪我国实现“一颗空间X射线卫星、一座红外太阳塔和一台射电日像仪” 的宏伟构想提供研制依据。
This paper describes the general situation, progress and development of some solar radioheliographs from which astronomers have made magnificent contributions to the solar radio astronomy as well as to the solar physics. It also presents the scientific research work and the characteristics of the future radioheliograph. It is for the reference of realization of the great plan ``one space X-ray satellite and two terrestrial instruments: one infrared solar tower and one radioheliograph'' for the 21st century.