金属目标微波辐射特性的理论分析和缩比测量

A Theoretical Analysis and Scale Shrinking Measurement of the Microwave Radiation Characteristic of Metal Objects

根据微波辐射测量的基本原理，导出了计算金属目标微波辐射无线温度对比度的一般表达式。论述了这一表达式在实际使用中存在的问题，提出了金属目标微波辐射天线温度对比度的缩比测量方法。实验结果表明，这一测量方法简便可靠，经济实用。

A general formula is given for calculating the antenna temperature contrast of metal ob-jects according to the principle of microwave radiometry and the practical application of theformula is discussed.A scale shrinking measuring method for the contrast is proposed.Ex-perimental results show that the method is simple,reliable and economical。