According to the principle of two-hydrophone method for intensity measurement, the error analysis is done.
根据双水听器测量声强法原理进行了误差分析,提出了该双水听器声强测量系统的校准方法。
2
Studies the measurement of low frequency radiation noise from an underwater target by a vector hydrophone, discusses the method of measurement and presents the test results in the sea.
研究利用矢量水听器测量水下目标低频辐射噪声的问题,并给出了测量方法和海上试验结果。
3
The B&K accelerometer and hydrophone were used for the measurement of the cavitation noise and vibration at different part of jet pump under different operating modes.