基于DTFT递推算法，提出了一种计及负频率影响的科里奥利质量流量计信号处理方法。

A new signal processing method for Coriolis mass flowmeter is proposed, which is based on the recursive DTFT algorithm and considers the contribution of negative frequency.

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利用气相副产物的量来推算电流效率，给出了皂膜流量计定量分析电流效率的方法。

The quantity of gas outgrowth is used to calculate electrical current efficiency and to bring the method of quantitative analysis of current efficiency with soap-membrane flowmeter in this paper.

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基于灰色系统理论中的灰色关联分析方法，提出了一种新的流量传播时间的推算方法。

Based on the grey correlation analytical method in the grey systematic theory, this paper has put forward a kind of new method of calculating propagation time of flow.

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