Research results show that vortex frequency estimation method based on HHT can estimate vortex signal frequency accurately, and increase the antiinterference ability of the vortex flow meter.
研究结果表明，基于HHT的涡街频率估计方法，可以精确估计涡街信号频率并提高涡街流量计的抗干扰能力。
A new signal processing circuit of vortex flow meter based on variable gain amplifier and digital signal processor (DSP) unit is designed.
设计一种基于变增益运算放大器和DSP数字信号处理单元的新型涡街流量计信号处理电路。
The paper introduces calculating method of energy consumpation caused by flowmeters, such as orifice flow meter, vortex flow meter, and illustrates magnitude of energy consumpation with examples.
介绍了孔板、涡街流量计测量不同流体时引起的能耗量的计算方法，举例说明了能耗量的大小。
This paper presents the development of an intelligent vortex flow meter which combines the show of temperature pressure and flow in field.
介绍一种集温度、压力、流量就地显示于一体的智能涡街流量计的研制。
Vortex flow meter, mainly for industrial flow measurement fluid media channels, such as gas, liquid, vapor and other media.
涡街流量计，主要用于工业管道介质流体的流量测量，如气体、液体、蒸气等多种介质。
Vortex flow meter, pressure sensor and thermal couple are installed on the platform.
新的实验台增加了压力传感器、涡轮流量计和热电偶等自动测量传感器和仪表。
Vortex flow meter, pressure sensor and thermal couple are installed on the platform.
新的实验台增加了压力传感器、涡轮流量计和热电偶等自动测量传感器和仪表。
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