The real time measuring system of high speed rotating blade vibration, tip timing sensor, pulse signal sampling system and analysis processing of blade vibration signal are researched.

研究了高速旋转叶片振动实时监测系统，叶端定时传感器、传感器脉冲信号采集电路和叶片振动信号的实时分析和处理。

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Pulse signal of gear wheel rotating generated by magnetoelectricity sensor was adjusted into rectangular pulse by adjusting circuit.

调理电路将磁电式传感器产生的齿轮旋转逐齿信号调为矩形脉冲。

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Based on the technology of rotating impeller DE gassing in aluminum alloy melt, the effect of pulse gas current on the gas bubble size by studied with the water modeling method.

在铝合金熔体净化旋转喷吹技术的基础上，采用水力模拟实验研究了脉冲进气方式对气泡大小的影响。

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