摘要
本文简要介绍了医用超声波类仪器的基本原理,分析了超声波类仪器中普遍采用的T·G·C电路的不足.为克服上述电路的不足,本文提出了该电路的一种新的设计方法并在实际中实现了该方法.
This paper introduces the. basic principles of the medical ultrasonic diagnostic instrument. It analyses the T.G.C circuit's defects in ordinary ultrasonic instruments. To overcome the defects this paper proposes a new design of the circuit, which has been put to use in practice.
出处
《中国民航学院学报》
1995年第4期75-78,共4页
Journal of Civil Aviation University of China
关键词
超声波诊断设备
时间增益
补偿衰减
ultrasonic diagnostic device time gain compensation attenuation echo erasable programmable read memory
