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。
According to the principle of two-hydrophone method for intensity measurement, the error analysis is done.
基于双水听器互谱测量法,研制的水声声强测量设备可用于测量水下声源产生的声场中任意点的声强量值或任意面上的声强量值分布。
Based on measuring the cross-spectrum density of sound pressure between two hydrophones, the facility for underwater sound intensity measurement is investigated and designed.
在耦合腔中采用传递函数法进行双水听器接收复声压的一致性校准,并采用易地交换测量消除声场不均匀性的影响。
And the influence of the uneven acoustic field upon the calibration is cancelled by the means of a reciprocal measurement technique.
针对液体射流泵的空化噪声与振动进行了试验研究;运用B&K加速度仪和水听器对射流泵各部位在不同工况下的空化噪声与振动进行了测量。
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.
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。
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.
为了减小测量误差,在测量中的每一步都需要等待水听器阵列完全静止再进行采集。
In each step of the measurement process, the data can't be measured until the hydrophone array is still, in order to minimize the measurement error.
为了减小测量误差,在测量中的每一步都需要等待水听器阵列完全静止再进行采集。
In each step of the measurement process, the data can't be measured until the hydrophone array is still, in order to minimize the measurement error.
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