On the Acoustic Power Radiated by an Electrical Machine

1、

Determination of acoustic power on acoustic radiation modes

基于声辐射模态确定声功率

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2、

Research of Underwater Acoustic Power Amplifier and Broadband Matching Technique

水声功率放大器与宽带匹配技术研究

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3、

Survey and Determination of Acoustic Power Level of Railway Regular Sound Source

铁路常见固定性声源声功率级的测定

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4、

Finite Element Analysis of Acoustic Power Radiation by Electrical Machines

利用有限元法分析电机辐射的声功率

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5、

Analysis and Research on acoustic power recovery in pulse tube refrigerator

声功回收型脉管制冷机的分析与研究

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6、

Three points method for measuring acoustic power of high intensity sound sources

三点法测量强声源声功率

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7、

Radiation Force Calculation and Acoustic Power Measurement of High Intensity Focused Ultrasound in Acoustic Field of an Artificial Abortion Equipment

高强度聚焦超声终止早孕机声场的辐射力计算与声功率测量

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8、

This paper also studied the influence of acoustic power density, temperature and other parameters on the ultrasonic cleaning through experiment.

研究了声功率密度、温度等重要工艺参数对超声波清洗的影响规律。

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9、

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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10、

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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11、

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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12、

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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13、

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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14、

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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15、

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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16、

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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17、

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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18、

Under the conditions of different relative densities of sand and different vertical pressures, the variations of acoustic emission and tip resistance during the penetration were investigated.

针对砂土于不同相对密度与垂直应力之条件，探讨音波反应、锥尖阻抗在贯入过程之变化。

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19、

Characteristic extraction of acoustic signals emitted from resistance spot welding process based on independent component analysis

基于独立分量分析的点焊特征声音信号提取

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20、

The method of computational fluid dynamics ( CFD) and test has been used to study the fluid dynamics and acoustic performances of resistance muffler.

本论文用计算流体动力学（CFD）和试验法研究抗性消声器的流体动力学特性和消声特性。

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