acoustic pressure

Moreover, taking on the Rayleigh integral the far field acoustic pressure and the directivity formula is obtained.

并对其声场远场采用瑞利积分推导了一般表达式和指向性公式。

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Analyzing the correlation of mechanical quality factor with acoustic pressure and acoustic intensity, which is abased on the researchers of ultrasonic vibrating system admittance characteristic in aluminum molten.

通过对超声振动系统在铝熔体中导纳特性的分析，研究换能器机械品质因数与声压、声强的相互关系。

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Inversion of Elastic Modulus of Thin Plate Using Acoustic Pressure Transmitting Coefficient Spectrum

应用超声声压透射系数谱反演薄板的弹性模量

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At higher acoustic pressure, microbubble fragmentation, and unstable cavitation, also called inertial cavitation occurs.

微泡在较强声场作用下会发生破裂，发生不稳定空化，也称为惯性空化。

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Based on the theory of surface acoustic wave sensor, the input/ output of surface acoustic wave pressure sensor is studied.

基于声表面波传感器（SAW）理论基础，研究了SAW压力传感器的输入-输出特性。

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Acoustic pressure sensor designed by electret capacitance can withstand fluid static pressure and detect accurately transient pressure signals.

采用驻极体电容设计了既能承受管道中流体的静态压力，又能及时准确地检测充液管道中瞬变压力的声压传感器。

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Acoustic Pressure Sensitivity of Yb~ ( 3+)/ Er~ ( 3+) Co-Doped Distributed Bragg Reflection Fiber Laser Hydrophone

基于铒镱共掺分布布拉格反射式光纤激光器的有源光纤水听器声压灵敏度

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Acoustic-Structure sensitivity is used to predict the change of acoustic pressure when structure design variable was changed, which is significance for reducing noise of structure.

声学-结构灵敏度用于预测结构辐射声压随结构设计变量的变化，该值对结构降噪设计有重要意义。

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Theoretical analysis of the acoustic pressure sensitivity was given in this letter.

本文给出了声压灵敏度的理论结果。

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The acoustic pressure and acoustic power of the whole structure are obtained by superposing those of each infinitesimal element.

以每个微元为一单位，分别计算声压和声功率之后叠加起来，即得整个结构的声辐射。

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The relation of luminous intensity and temperature at the same acoustic pressure and frequency has been studied.

研究了在一定的频率和超声功率条件下，声致发光强度随温度的变化关系。

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With the help of ANSYS finite element analysis software, the acoustic pressure response cavity of a homemade passenger car with acoustic fluid-structural coupling has been studied.

为解决某国产轿车的强烈的车内噪声，进行了该轿车的空腔声学模态分析，使用ANSYS有限元分析软件得到其声学模态频率和振型。

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While, there is still a lack of necessary knowledge and research on near-field acoustic pressure distribution, suspension requirements for complex shape objects still cannot be effectively addressed.

但目前对于近场声压分布的规律还缺乏必要的认识和了解，复杂形状物体的悬浮要求始终无法得到有效解决，对于近场悬浮夹持稳定性的评判标准尚属空白。

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Measurement of the Frequency Response of the Acoustic Pressure Sensitivity of the Fiber-Optic Hydrophone with Linear Sweep Signal

利用线性扫频信号测量光纤水听器的声压灵敏度频响特性

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Objective: To evaluate the value of contrast-enhanced ultrasonography with low acoustic pressure in differential diagnosis of focal liver lesion.

目的：评价低声压超声造影技术在肝占位性病变中的鉴别诊断价值。

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However, equivalent height of the block corner shape defect can be calculated by a comparison of echo acoustic pressure and block corner shape defect.

通过横通孔回波声压与端角形缺陷的回波声压比较，可以计算出端角形缺陷的当量高度。

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Expounded the acoustic pressure particle velocity joint treatment for the estimated target position of the theoretical foundation, introduced the Vector Sensor identifying the target position of three methods.

阐述了声压振速联合处理用于目标方位估计的理论基础，介绍了矢量传感器确定目标方位的三种方法。

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Also studied the cylindrical fluid region and two-phase medium with the acoustic pressure within the region to increase the distance from the cylinder center was studied.

还研究了圆柱流体区域和双相介质区域内声压随离圆柱中心的距离增加的变化规律。

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By using double-exposed holographic interferometry, the distribution ofsound pressure in the acoustic levitation field is analyzed.

利用二次曝光全息干涉术实现了对单轴式声悬浮声压场的研究.

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Spatial correlation coefficients of acoustic pressure and particle velocity based on vector hydrophone

基于矢量水听器的声压和质点振速的空间相关系数

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In circumstances like varying SNR, fluctuating acoustic pressure and frequency excursion, numerical tests show that detection system works well.

实验发现在信噪比变化、声压起伏、线谱漂移等情况下，系统都能较好的工作。

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An audio ( sound ) 　 wave is a one-dimensional acoustic ( pressure ) wave.

声波是一 维 的声学 ( 气压 ) 波.

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The paper introduces the structure and working principle of surface acoustic wave sensors, discusses its applications on temperature, pressure, gas measurement, gives the design of the equivalent circuit parameters for surfact acoustic wave sensors.

介绍了声表面波传感器的结构及工作原理，及在压力、温度、气体测量中的应用，讨论了器件等效电路的参数设计。

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Comparing to the acoustic pressure detector it is the main advantage of the signal detection technique of vector hydrophone.

这正是矢量水听器检测技术的诱人之处。

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Optimum Weight Design of Plate with Acoustic Pressure Restrict for Coupled Acoustic-Structure Systems

声场-结构耦合系统声压约束下板重量优化设计研究

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In present paper, the influences of sound scattering from the frames of measuring array structure on the acoustic pressure measurement by hydrophones are estimated.

本文估算了所设计结构的支撑架和水听器基座声散射对阵上水听器测量全息声压的影响；

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This paper presents implementation of reconstruction of acoustic pressure field using acous-tic radiation modes and analyzes the error from mode number and frequency.

本文利用声辐射模态对平板辐射的声场进行重构，并同时就频率和模态数对误差的影响进行了分析。

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Implementing Fourier Transform to solve the acoustic pressure correction equation in the frequency domain can avoid cockamamie retarded time calculation.

通过傅立叶变换在频域求解声压方程，避免了繁琐的时间延迟计算。

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On reconstruction of acoustic pressure fields using the radiation modes

利用声辐射模态对声场进行重构

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In this article, the time-space correlation function of acoustic pressure and particle velocity in the sea surface noise field are introduced.

介绍了海面噪声场条件下的声压与质点振速的时空相关函数。

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