根据现有的多通道被动辐射计技术，讨论微波辐射遥感月壤月岩特征参数的几个问题。
Several issues on microwave remote sensing of the lunar soil and rock are discussed based on multi channels microwave radiometer technology.
被动探测使用毫米波辐射计，不发射电磁波，因而没有电磁污染和目标闪烁效应，工作比较隐蔽，不易被发现。
Passive detection uses MMW radiometer, which does not emit electromagnetic wave, has no glitter effect and works snugly.
微波辐射计是一种无源微波测量装置，它本身不发射微波信号，只是被动的接收目标及环境辐射的随机噪声。
Microwave Radiometer is a passive microwave measurement device. It passively receives the random noise radiated by the objects and environment.
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