It also introduces some key technologies as measurement initialization and frequency tracking in signal processing of Coriolis flowmeter. 介绍科氏流量计信号处理中测量初始化和频率跟踪等几个关键技术。
A frequency tracking method is proposed.The synchronism sampling is achieved to improve the measuring precision of frequency and phase difference. 本文提出一种频率跟踪方法,可以在不过零开始采样的情况下,实现整周期采样,保证频率和相位差测量的精度。