Based on signal detection theory, the real-time leakage detection problem of submarine pipeline was discussed, by means of the observed series of mass flow difference of pipe.
针对海底管道泄漏监测问题,基于信号检测原理分析了受噪声干扰的流量差观测序列。
It also contains fan curves defining volume or mass flow rate versus static pressure difference for selected industrial fans.
它也包含为了被选择的工业的未定定义相对于静态的压力差异的量或者大规模流量的未定曲线。
The dimensionless average temperature and dimensionless temperature difference of rotor surface decrease with both of the dimensionless mass flow rate and rotational Reynolds number are increased.
随着旋转雷诺数和进气流量系数增加,转盘无量纲过余表面平均温度和无量纲径向表面温差全都下降。
The capillary tube model in subcooling single-phase region and two-phase region was established, and the difference of mass flow rate is within 10% between the predicted and the measured values.
建立单相区和两相区毛细管模型,模型计算的毛细管质量流量与实验测量的质量流量差别小于10%。
In the experimental research, the relationship between pressure difference of atomizer and mass flow rate was decided.
实验研究中确定了喷嘴前后压差与流量间的对应关系。
Aiming at the improvement of the precision of Coriolis Mass Flow meters, this thesis develops a new tube-shaped device and measures the phase difference with a digital signal-based measurement.
本文从提高科里奥利质量流量计的灵敏度着手,提出了一种新的管形设计方案,还采用了基于数字信号处理的测量方法来测量相位差。
Aiming at the improvement of the precision of Coriolis Mass Flow meters, this thesis develops a new tube-shaped device and measures the phase difference with a digital signal-based measurement.
本文从提高科里奥利质量流量计的灵敏度着手,提出了一种新的管形设计方案,还采用了基于数字信号处理的测量方法来测量相位差。
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