• An example of sound intensity measurement for electric motor is presented.

    最后本文给出了应用系统测量电机功率例子

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  • Sound intensity measurement allows accurate identification, isolation and ranking of individual sound sources.

    测量允许精确鉴别孤立列举单个噪声源

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  • The influence of the DFT leakage errors on the sound intensity measurement is analyzed and the simulation examples are presented.

    分析DFT泄露误差测量影响,进行模拟计算。

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  • Based on "two-microphone" method, a sound intensity measurement was carried out towards a vehicle four-stroke gasoline engine in a semi-anechoic room.

    运用声强测试技术的双传声器原理,台车用汽油发动机消声室内进行测量

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

    基于双水测量法,研制水声声测量设备用于测量水下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。

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  • The phase mismatch error is the main error source of sound intensity measurement system. It is difficult to eliminate this error only by upgrading the accuracy of instrument.

    相位失配误差测量系统主要误差提高仪器精度很难消除一误差。

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  • The measurement of radiation noises from an underwater structure body and identification and location of noise sources were carried out by using a sound intensity measurement system .

    通过测量系统水下大型结构进行辐射噪声声功率测定以及噪声源识别定位的实验。

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  • In this paper, the errors of sound power determination using sound intensity measurement are studied, based on the analysis of experimental results with the eyes of engineering application.

    本文工程实用角度出发,实验分析基础探讨法测量功率误差问题

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  • The effectiveness of sound intensity has been analysed and the basis for precision acoustic measurement has been laid in this paper.

    本文测量有效性作了较全面分析,精确测量奠定基础

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  • The measurement of sound intensity can be applied to course detect, product research and development applications.

    测量可以用于过程监测、故障诊断和产品研究开发

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  • The measurement of sound power by use o the two-microphone technique will be affected by the rotation of the active intensity.

    所以应用传声器测量法测量声功率受到旋性影响。

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  • The measurement of sound power by use o the two-microphone technique will be affected by the rotation of the active intensity.

    所以应用传声器测量法测量声功率受到旋性影响。

    youdao

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