智能电磁流量计抗干扰技术的研究  

The study of the anti-interference technology of the intelligent electromagnetic flow meter

作　　者：何伟[1] 陈廷云[1] 贺昌蓉[1] 

机构地区：[1]中国测试技术研究院,四川成都610021

出　　处：《中国测试技术》2004年第3期33-35,共3页CHINA MEASUREMENT & TESTING TECHNOLOGY

摘　　要：本文简要阐述了几种电磁流量计 (EMF)的抗干扰技术。同时 ,讨论了电磁流量计三类干扰噪声产生的物理机理和特征。研究了矩形波励磁型智能电磁流量计的硬件和软件抗干扰技术 ,为实现智能电磁流量计的高精度、高可靠性、高抗干扰能力奠定了坚实的技术基础。In The paper,some anti-interference technology applied in the electromagnetic flow meter are summarized briefly Meanwhile,physical mechanism and character concerning three kinds of interference noises derived from electromagnetic flow meter are also discussed ,has studied the wave hardware of excitation the intelligent electromagnetic flow meter of magnetism-type of matrix and anti-interference technology of the software,In order to realize that high accuracy of the intelligent electromagnetic flow meter,high reliability,high immunity ability have established the solid technological foundation.

关 键 词：电磁流量计 干扰 噪声 智能仪器 抗干扰技术 

分 类 号：TH814.93[机械工程—仪器科学与技术]