本文论述了设计二厘米波段高精度高稳定性微波辐射计的基本原理;讨论了天线的作用;对仪器的稳定性作了分析计算,文中给出了一些测试结果,表明仪器符合设计要求: This article discusses the design of two centimeters band high precision and stability of the basic principles of microwave radiometer; discussed the role of the antenna; the stability of the instrument made an analysis and calculation, the paper gives some test results show that the instrument meets the design requirements: