• 根据水听器测量原理进行误差分析,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.

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  • 基于测量法,研制声声测量设备用于测量声源产生的声场中任意点的声强量值任意面上声强量值分布。

    Based on measuring the cross-spectrum density of sound pressure between two hydrophones, the facility for underwater sound intensity measurement is investigated and designed.

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  • 耦合腔采用传递函数法进行双水听器接收复声压一致性校准,并采用易地交换测量消除声场不均匀性影响

    And the influence of the uneven acoustic field upon the calibration is cancelled by the means of a reciprocal measurement technique.

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  • 针对液体射流噪声振动进行了试验研究;运用B&K加速度仪水听射流泵部位不同工况的空化噪声与振动进行测量

    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.

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  • 研究利用矢量水听器测量目标低频辐射噪声问题,并给出了测量方法海上试验结果

    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.

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  • 为了减小测量误差,测量中的一步需要等待水听阵列完全静止进行采集。

    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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  • 为了减小测量误差,测量中的一步需要等待水听阵列完全静止进行采集。

    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.

    youdao

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