摘要
脑电图机是靠拾取极微弱的脑电信号进行放大处理、记录来诊断疾病的仪器,如有干扰会影响到诊断的效果,文章分析了脑电图机的工作原理和在实际中排除干扰的具体方法。
The electroencephalogram machines diagnose diseases by magnifying and recording extremely weak brain electrical signal. The disturbance can affect the diagnosis effect. This article analyses the principle of work of electroencephalogram machine and the concrete method of removing the disturbance.
出处
《中国医学装备》
2005年第7期53-54,共2页
China Medical Equipment
关键词
脑电
去极化
干扰
接地
brain electricity
depolarization
disturbance earth