摘要
论文主要解释了DAC曲线与距离-波幅曲线的含义,比较超声波数字机与模拟机DAC曲线的制作差异及其在运用方面的不同。
The paper mainly explains the meaning of DAC curve and distance-amplitude curve,compares the difference of making DAC curve between ultrasonic digital machine and analog machine and its application.
作者
孔祥云
李明
KONG Xiang-yun;LI Ming(Hebei Fangyuan Engineering Testing Co.Ltd.,Renqiu 062552,China)
出处
《中小企业管理与科技》
2020年第7期167-168,共2页
Management & Technology of SME
关键词
模拟机
数字机
DAC曲线
距离-波幅曲线
analog machine
digital machine
DAC curve
distance-amplitude curve
