Sound intensity distribution after alteration.
改建后的声强分布。
Motorcycle; Sound intensity measurement; Noise control;
摩托车；声强测量；噪声控制；
An example of sound intensity measurement for electric motor is presented.
最后本文给出了应用本系统测量电机声功率的例子。
So the sound intensity technique will be a wide range of applied prospects in the lo…
因此，声强技术同样适用于微特电机等低噪声声功率级测定。
The space structure of the averaged sound intensity is discussed with this expression.
用这表式讨论了平均声强的空间结构的问题。
With sound intensity method, major sources of the exterior vehicle noise are identified.
用声强法对车外噪声的主要声源进行了鉴别。
Objective To investigate the effects of sound intensity and frequency on phonatory stability.
目的研究声强和频率对发声稳定性的影响。
Sound intensity is vector, so it is meaningful to obtain 3-d sound intensity for identifying noise sources.
声强是矢量，因而获取三维声强对于噪声源识别具有重要意义。
Sound intensity measurement allows accurate identification, isolation and ranking of individual sound sources.
声强测量允许精确的鉴别、孤立、列举单个噪声源。
Therefore, the raw silk tension can be determined by the sound intensity signal sent out by the sound receiver.
因此，根据声接收器输出信号的声强度可判断生丝张力的大小。
The measurement of sound intensity can be applied to course detect, product research and development applications.
声强测量可以用于过程监测、故障诊断和产品研究与开发。
The influence of the DFT leakage errors on the sound intensity measurement is analyzed and the simulation examples are presented.
分析DFT泄露误差对声强测量的影响，进行模拟计算。
This paper introduces the principles of sound intensity method and the application of the method to measure the noise of the fan.
该文介绍了声强法的原理和通风机噪声的声强测量方法，有一定实际应用价值。
The effectiveness of sound intensity has been analysed and the basis for precision acoustic measurement has been laid in this paper.
本文对声强测量的有效性作了较全面分析，为精确的声测量奠定了基础。
Then the paper puts up the modeling and designing of functions of noise analyzer such as noise spectrum analysis, sound intensity and so on.
进行了噪声分析仪的噪声谱分析、声强分析等功能的建模和设计。
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的两个点声源的声强分布，发现位于声源之上的平面法向声强在某些区域为负向声强。
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法原理，对一台车用汽油发动机在半消声室内进行了声强测量。
Sound intensity is the sound wave intensity in sound field, which equals sound energy through the unit area perpendicular to the energy flow direction.
声强就是声场中的声波强度，它等于通过与能流方向垂直的单位面积上的声能量。
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.
在高声强下测量了微圆孔处声激发射流的速度和微圆孔的非线性声阻抗。
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、表面声强、表面声压、表面振速及相应的频谱等进行了全面、系统的测量与分析。
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.
探讨了超声波应用于木材阻燃浸渍处理过程的可行性，同时讨论了超声波试验参数频率、声强、辐射时间等的选择。
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型驱动桥的噪声功率、表面声强、表面声压、表面振动加速度以及相应的时频谱进行了全面、系统的测量和分析。
The constitution, main functions and accuracy of two complex sound intensity analysis systems ready for popularization were discussed and some practical examples were gi...
介绍了二套可供推广的复声强分析系统的构成、主要功能及精度讨论，并列举了若干应用实例。
The constitution, main functions and accuracy of two complex sound intensity analysis systems ready for popularization were discussed and some practical examples were given.
介绍了二套可供推广的复声强分析系统的构成、主要功能及精度讨论，并列举了若干应用实例。
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.
相位失配误差是声强测量系统的主要误差源，仅靠提高仪器的精度很难消除这一误差。
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。
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.
本文应用复声强的概念，讨论了复声强的实部即有功声强的有旋性质。指出：在声场中真正传递声能量者仅是有功声强中的无旋分量。
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.
有功声强的无旋分量与表面声强有关，因此测量表面声强可避免有旋性的影响。
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了皮层水平听觉信息调制，影响持续性反应神经元对声音强度信息的编码。
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.
声强测量可以剔除其他声音的干扰，准确的确定声源的位置，即进行声源定位。
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