This paper mainly studies the signal enhancing and frequency estimating methods based on adaptive line enhance technique and the time interval calculation based on discrete Fourier transform and sliding Goertzel algorithm for Coriolis mass flowmeters.

• 本文主要研究了基于自适应谱线增强技术的科氏流量计信号增强和频率估计方法和基于离散傅里叶变换和滑动Goertzel算法的科氏流量计信号时间差计算方法。