锁相放大器在测量细胞悬液低温低频介电谱中的应用  

The application of lock_in amplifier in measuring the dielectric spectrum of cells in suspension at low frequency and low temperature

作　　者：李应保[1] 钟力生[1] 徐传骧[1] 

机构地区：[1]西安交通大学

出　　处：《中国医疗器械杂志》1989年第6期345-348,共4页Chinese Journal of Medical Instrumentation

摘　　要：本文采用锁相放大器并配合信号发生器微机控温系统,成功地对红细胞悬液的低温低频介电谱进行了测量。Together with the auxiliary equipments-the low frequency signal producer and the microcomputer temperature control system, the two phase lock-in amplifier is successfully used to measure the dielectric spectrum of human red blood cells in suspension at low frequency and low temperature.

关 键 词：锁相放大器 细胞悬液 低频介电谱 

分 类 号：R318.6[医药卫生—生物医学工程]