alternating current radiometer 基本例句 交流辐射计 In this paper,the principle and signal features of 3mm band alternating curent radiometer are introduced.According to signal analysis, main parameters of radiometer are calculated.本文介绍一种三毫米波段交流辐射计的工作原理及信号特征，根据信号特征分析计算辐射计的主要指标。