研究基于周期图谱分析的涡街信号处理方法。
The power spectrum analysis based signal processing method was studied.
最后，对尾流中涡街形成的机理进行了初步讨论。
Finally, the mechanism of vortex street is briefly discussed.
介绍LUGB系列涡街流量计的工作原理，使用过程中干扰现象及排除方法。
The article introduces the principle of LUGB series flowmeter, failure in use and repair method.
介绍LUGB系列涡街流量计的工作原理，使用过程中干扰现象及排除方法。
The article introduces the principle of LUGB series flowmeter, failure in use and repair method.
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