数字机与模拟机DAC曲线的不同之处  

Differences of DAC Curves Between Digital Machine and Analog Machine

作　　者：孔祥云 李明 KONG Xiang-yun;LI Ming(Hebei Fangyuan Engineering Testing Co.Ltd.,Renqiu 062552,China)

机构地区：[1]河北方圆工程检测有限公司,河北任丘062552

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

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.

关 键 词：模拟机 数字机 DAC曲线 距离-波幅曲线 

分 类 号：TG441.7[金属学及工艺—焊接]