摘要
对消除电磁流量计信号中的工频干扰问题进行了分析和探讨。在理论上分析了不同的励磁频率、采样点及宽度对测量精度的影响。经实际证明 。
The question of 50 Hz power-line interference from electromagnetic flowmeter is discussed.Different exciting frequence,sampling spot and width are analyzed.By practical testifying,it is proved that the conclusion has better performance with better accuracy and wider range.
出处
《测控技术》
CSCD
2003年第2期65-67,共3页
Measurement & Control Technology
关键词
电磁流量计
抗工频干扰
采样
测量精度
electromagnetic flowmeter
sampling
power-line interference
