等电位接地在空泡水洞测试系统中的应用

Application of Equipotential Bonding for Cavitation Tunnel Test System

空泡水洞实验室中部分试验,会利用传感器探测极微弱的信号。在小信号采集放大的过程中,系统中引入了噪声信号,采样数据在几个特定频率点出现噪声与信号间的混叠,影响对试验结果分析和判断的准确性。通过利用等电位联结并进行接地的方式,降低背景噪声幅度,以保证传感器信号的准确性。

Sensor signals in some tests with the cavitation tunnel are very weak,and the noise introduced by the system may interfere with the measurement. The equipotential bonding to the ground is one of the effective solutions to reduce the background noise and ensure the sensor signals clear.