9BUGAEV A S, CHAPURSKY V V, LVASHOV S I, et al. Through wall sensing of human breathing and heart beating by monochromatic radar[ C ]//Proc of the 10th International Conference on Ground Penetrating Radar. Netherlands : IEEE ,2004:291-294.
10CHEN Kun- mu,HUANG Yong, ZHANG Jian- ping. Microwave lifedetection systems for searching human subjects under earthquake rubble or behind barrier [J ]. IEEE Trans on Biomedical Enginee ring ,2000,47( 1 ) :105-114.
