The improved FIR filter is designed and used for filtering original signals, so the noise is restrained effectively and the measurement precision of the mass flowmeter is guaranteed.
设计了改进的FIR数字滤波器，实现了对原始输出信号的实时滤波处理，有效地抑制了噪声的干扰，为科氏质量流量计的高精度测量提供了保证。
Applying thermal mass flowmeter to measure gas mass flow directly.
应用热式质量流量计直接测量气体质量流量。
The mass flowmeter is also suitable for applications in other gases.
该流量计可用于其它气体质量流量的测量。
A quadrature demodulation-based signal processing method of coriolis mass flowmeter is studied.
研究基于正交解调的科里奥利质量流量计的信号处理方法。
This article gives the field testing results of coriolis mass flowmeter at Fuyu of Jilin Oil field.
本论文给出了吉林油田扶余采油厂科里奥利质量流量计的现场测试结果。
This paper introduces the design of a Coriolis mass flowmeter for the on-line monitoring of water inrush in mine.
介绍了一种实时在线矿井突水监测科氏力质量流量计的设计。
The operation principle, systematic functions, stability and control accuracy of the mass flowmeter are described.
介绍了质量流量计的工作原理、系统功能、稳定性及控制精度。
Measuring algorithm and digital control method as well as the new application area of Coriolis mass flowmeter are described.
说明了其硬件结构、测量算法和数字控制方法以及科氏质量流量计新的应用领域。
With Pt film resistor used as the temperature sensors, a mass flowmeter for gases is developed and the test result is also given.
用铂膜电阻作为感温元件，研制了气体质量流量计，并给出试验结果。
On the basis of exploration and demonstration, SBSD bulk setter and mass flowmeter was combined to replace the oval gear setters.
在考察、论证的基础上，用SBSD批量给定器和质量流量计配套使用来代替椭圆齿轮设定器。
A novel method of phase difference estimation under Gaussian noise is proposed to improve the precision of Coriolis mass flowmeter.
为提高其精度，提出了一种高斯噪声背景下的科氏质量流量计相位差估计新方法。
The pulp mass flowmeter, a kind of mass flowmeter metering liquid-solid two-phase mixtures has been developed successfully recently.
纸浆质量流量计是新研制成功的一种液固两相质量流量计。
Coriolis mass flowmeter (CMF) is a true mass flowmeter with high accuracy, by measuring the Coriolis effect of a vibrating flow pipe.
科氏质量流量计(CMF)是一种通过检测流过流体的科氏效应来直接测量质量流量的流量计。
Two signals from the mass flowmeter are filtered by no change of phase, and the phase difference is given by zero passage arithmetic.
两路信号数据采集后使用了无相位变化的滤波方法，通过过零点算法计算出得出相位差。
OVAL elliptical flowmeter. OVAL double rotor flowmeter. OVAL mass flowmeter. OVAL vortex street flowmeter. OVAL electromagnetic flowmeter.
OVAL椭圆流量计.OVAL双转子流量计.OVAL质量流量计.OVAL涡街流量计.OVAL电磁流量计。
Characteristic, working principles of the thermal mass flowmeter and its application in micro gas flowmeter measuring and pump protection are introduced.
介绍了热质量流量计的特点、工作原理、微小气体流量测量及泵保护应用。
The principle of coriolis force mass flowmeter and its application in gelled propellant rocket engine test are introduced, results of the test are also analyzed.
介绍了科氏力质量流量计的原理及其在凝胶发动机试车中的应用，并对热试车的测量数据进行了分析。
The paper introduces a new kind of vortex gas mass flowmeter, which can measure gas mass flow by testing the vortex frequency and the horizontal varying lifting force.
介绍了一种利用检测漩涡频率和横向变动升力的方法测量气体质量流量的漩涡式气体质量流量计。
A signal whose frequency, amplitude and phase are time-varying based on the random walk model is presented to describe the sensor output signal of Coriolis mass flowmeter.
提出用频率、幅值和相位均按照随机游动模型变化的信号来描述科氏流量传感器的输出信号。
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.
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。
Based on the sensing mechanism of Coriolis mass flowmeter and analyzing signal spectrum in actual working, the novel applied method is devised for phase difference detection.
基于科氏质量流量计的工作机理和实际工作情况下的信号频谱分析，提出了切实可行的相位差检测新方法。
Based on wavelet transform, the feasibility of the wavelet transform on Coriolis mass flowmeter is expounded. The implementation is put forward, and relevant experiment has been done.
以分析小波变换为基础，阐述了小波变换应用在科氏流量计上的可行性，给出了实现方案，并做了相关的现场实验。
The mechanical model of the U type Corolis mass flowmeter was designed, and the method to calculate its Sensitive Character was studied. The effect of restraint condition was also discussed.
建立了U型科氏质量流量计的力学模型，研究了其灵敏度系数的计算方法，讨论了约束的影响。
The mechanical model of the U type Corolis mass flowmeter was designed, and the method to calculate its Sensitive Character was studied. The effect of restraint condition was also discussed.
建立了U型科氏质量流量计的力学模型，研究了其灵敏度系数的计算方法，讨论了约束的影响。
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