• Sound intensity distribution after alteration.

    改建的声分布

    youdao

  • 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

    youdao

  • So the sound intensity technique will be a wide range of applied prospects in the lo…

    因此技术同样适用于微特电机等低噪声声功率级测定。

    youdao

  • Objective To investigate the effects of sound intensity and frequency on phonatory stability.

    目的研究频率发声稳定性影响

    youdao

  • Sound intensity is vector, so it is meaningful to obtain 3-d sound intensity for identifying noise sources.

    矢量因而获取三维声强对于噪声源识别具有重要意义。

    youdao

  • 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

    youdao

  • Therefore, the raw silk tension can be determined by the sound intensity signal sent out by the sound receiver.

    因此根据接收器输出信号强度判断生丝张力的大小。

    youdao

  • 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

    youdao

  • 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。

    youdao

  • This paper introduces the principles of sound intensity method and the application of the method to measure the noise of the fan.

    该文介绍原理通风机噪声的声强测量方法,有一定实际应用价值。

    youdao

  • 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

    youdao

  • Sound intensity of the anti-aging is very strong, and installed in the indoor humidity is such as to prevent an adverse environment.

    音箱抗老化强度方面非常安装内更是防止潮湿恶劣的环境。

    youdao

  • Then the paper puts up the modeling and designing of functions of noise analyzer such as noise spectrum analysis, sound intensity and so on.

    进行噪声分析仪噪声分析分析功能建模设计

    youdao

  • The sound intensity distribution in the sound field of two closely spaced simple harmonic point sound sources have been studied in this paper.

    本文讨论了相距很近两个声源分布,发现位于声源之上的平面法向声强某些区域为负向声强。

    youdao

  • 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

    youdao

  • Sound intensity is the sound wave intensity in sound field, which equals sound energy through the unit area perpendicular to the energy flow direction.

    就是声场中的声波强度等于通过方向垂直单位面积上的声能量

    youdao

  • Both the velocity of the sound-excited jet flow at a small circular orifice and the nonlinear impedance of the orifice are measured at high sound intensity.

    在高声测量处声激发射流速度微圆孔的非线性阻抗

    youdao

  • The noise power, sound intensity, sound presure, vibration velocity and corresponding frequency spectrum of JHC6400 rear axle surface were measured and analysed.

    本文对JHC6400型汽车后桥的噪声功率表面、表面声压、表面相应频谱进行了全面、系统的测量分析

    youdao

  • This paper explores the feasibility of ultrasonic technology leading to produce fire-retardant wood and test conditions such as frequency, sound intensity and time etc.

    探讨超声波应用于木材阻燃浸渍处理过程可行性,同时讨论了超声波试验参数频率、辐射时间等的选择。

    youdao

  • The noise power, sound intensity, sound pressure, vibration acceleration and corresponding time-frequency spectrum of 6480 driver axle surface were measured and analysed.

    通过对6480型驱动桥噪声功率表面、表面声压、表面振动加速度以及相应频谱进行了全面、系统的测量分析

    youdao

  • The constitution, main functions and accuracy of two complex sound intensity analysis systems ready for popularization were discussed and some practical examples were gi...

    介绍可供推广分析系统构成主要功能精度讨论,列举了若干应用实例。

    youdao

  • The constitution, main functions and accuracy of two complex sound intensity analysis systems ready for popularization were discussed and some practical examples were given.

    介绍可供推广分析系统构成主要功能精度讨论,并列举了若干应用实例。

    youdao

  • 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。

    youdao

  • 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。

    youdao

  • Using the concept of complex sound intensity, we discuss in this paper the rotational character of the active intensity which is the real part of the complex sound intensity.

    本文应用概念讨论复声强的实部有功声强的有性质。指出:在声场中真正传递声能量者仅有功声强中的无旋分量。

    youdao

  • Because the irrotational component of the active intensity depends on the surface sound intensity, measuring the surface sound intensity can avoid the effect of the rotation.

    有功分量表面有关,因此测量表面声强避免有旋性影响

    youdao

  • Conclusion la could participate in the modulation of auditory information in auditory cortex, influencing the sustained response neuron's encoding of the sound intensity message.

    结论杏仁外侧核参与皮层水平听觉信息调制影响持续性反应神经元声音强度信息编码

    youdao

  • Sound intensity measurements accurately capture only the sound produced by the source under test, eliminating interference from other sounds and realizing the location of the sound.

    测量可以剔除其他声音干扰准确确定声源的位置,即进行声源定位。

    youdao

  • For a fixed sound source depth, the acoustical fields caused by high send frequency has strong sound intensity fluctuation, and their variation is sharp enough in an adjacent range.

    固定声源深度发射频率声场对应的声起伏大,相邻距离起伏强度剧烈

    youdao

  • Objective the variations of the site and shape of focal region for a concave spherical ultrasound transducer in the case of high sound intensity and stronger attenuation were studied.

    目的研究球面超声换能器焦域高声媒质有较大衰减情况下形状和几何位置变化

    youdao

$firstVoiceSent
- 来自原声例句
小调查
请问您想要如何调整此模块?

感谢您的反馈,我们会尽快进行适当修改!
进来说说原因吧 确定
小调查
请问您想要如何调整此模块?

感谢您的反馈,我们会尽快进行适当修改!
进来说说原因吧 确定