声压

The distribution of induced current and the acoustic pressure inside the spheres with different conductivity were presented.

仿真结果表明，感应电流密度在中心位置处为零，在电导率边界处变化较大；声压分布在中心位置处为零，在边界处变化较大。

The diesel engine's noise is measured by using the acoustic pressure method.

采用声压测量法对柴油机进行了整机噪声的测量，通过试验研究成功分离了发动机的燃烧噪声、机械噪声及进气噪声。

Coupling between combustion oscillations and acoustic pressure oscillations can lead to largeamplitude pressure oscillations within the combustor.

耦合振动和燃烧声压的振荡可能导致largeamplitude压力振荡的燃烧室。

In experiments, pressure ratio and acoustic power have been enhanced by increasing heating power and the length of acoustic pressure amplifier.

在实验研究中，通过增加声压放大器长度和加热功率，提高压比和声功。

No doubt, the more the information, the better the processing effect will be. The technology of acoustic pressure and particle velocity combined processing is expected to bring new life to the developments of signal processing of underwater acoustics and sonar technology, which is the main content of this thesis.

更多的信息量必然带来更好的处理效果，基于组合传感器的声压、振速联合处理技术有望给水声信号处理和声呐技术的发展带来新的活力，这正是本论文的主要研究内容。

Methods A hydrophone was used as energy converting equipment to collect wave of acoustic pressure in the field of ultrasound.

采用水听器作为换能器，通过采集超声信号在空间声场内一点的声压波形。

We have found that there are two basic characteristics of sound, amplitude, and frequency.

声音有两个基本特征，一个是声压，另一个是频率。

Steady Region(1),Transition Region(2),Resonance Region(3),and Antiresonance Region,just like thatprogressive wave field can be described by three regions in spacialdomain.

二次谐波声压级变化曲线可用一初等函数近似描述。

The relation of displacement of tympanic membrane to sound pressure was educed by using the Bessel function; subsequently the analytic solution was obtained.

并利用贝赛尔函数建立耳膜位移与声压的关系，得到耳膜位移的解析解。

The acoustic analysis results of axial configurative tongue design with aperture or comb shaped can reduce the BPF peak effects. Therefore we can not only receive better sound quality on the experiments, but also get a similar effect in fluent 6.2 simulations.

结果在声场分析方面，应用孔穴或梳状轴向舌端构形确有降低叶片通过频率声压峰值之效果，因此可获得较佳的音质优化程度，同时在fluent 6.2 中所模拟得到与穿孔型舌端有相近的结果趋势，且其出风口质量流率高转速时明显优於标准舌端

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。