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acoustical radiation
相关语句
  声辐射
     Analysis of Acoustical Radiation Decoupling and Acoustical Radiation Efficiency of Complex Structure
     复杂结构的声辐射解耦及其声辐射效率分析
短句来源
     Acoustical Radiation from the Unsteady Transitional Boundary-layer Flow Structure
     边界层转捩区不稳定流结构的声辐射
短句来源
     A Study on Quadratic Optimal Control of the Acoustical Radiation of a Flexible Coupler Link
     弹性连杆机构声辐射二次型最优控制研究
短句来源
     A theoretical method to solve acoustical radiation modes and acoustical radiation efficiency of complex structure by a boundary element method and acoustical radiation theory is posed in this paper.
     提出一种用边界元方法与声辐射理论求解复杂结构的声辐射模态与声辐射效率的理论方法。
短句来源
     Acoustical Radiation of Cohesent Random Source
     相干无规信号源的声辐射
短句来源
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  相似匹配句对
     Acoustical Radiation of Cohesent Random Source
     相干无规信号源的声辐射
短句来源
     FRACTAL TWO LEVEL FEM FOR ACOUSTICAL RADIATION PROBLEMS
     声辐射问题的二级分形有限元方法
短句来源
     (H)radiation control.
     H ,放射对照。
短句来源
     Radiation is ineffective;
     恶性类型对放射无效。
短句来源
     Acoustical Enclosures Design
     隔声罩设计
短句来源
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  acoustical radiation
It is proposed that with significant deviation of specimen temperature from T0 lattice rearrangement may be accompanied by avalanche phonon generation, which may be observed experimentally as acoustical radiation.
      
However direct measurements of acoustical radiation from a set of microbubbles uniformly distributed over the volume of laser beam-liquid interaction has yet to be performed, to the authors' knowledge.
      
A change in the index of refraction of a liquid has been observed under the action of acoustical radiation of microbubbles formed on absorbing particles in the zone irradiated by a laser beam [2-4].
      
The experimental results showed that the same cell line had different sensibilities to the US of different frequencies, and different cell line had different damage at the same acoustical radiation.
      


The statistical energy analysis (SEA) was used to determine the radiation power of a finite cylindrical pipe. The model is a finite water filled pipe open to water in one termination. The acoustical radiation from the open end is due to transmission of the acoustical and vibrational energy through piping. For effecting noise control and vibration reduction, it is of importance to predict the distribution of vibration energy in shells. And, attention should be paid to noise radiation at the...

The statistical energy analysis (SEA) was used to determine the radiation power of a finite cylindrical pipe. The model is a finite water filled pipe open to water in one termination. The acoustical radiation from the open end is due to transmission of the acoustical and vibrational energy through piping. For effecting noise control and vibration reduction, it is of importance to predict the distribution of vibration energy in shells. And, attention should be paid to noise radiation at the termination opening into the water. The energy interaction and acoustic radiation in the water filled piping model was studied. Factors are concerned about the difference of radiation efficiency. Compared with another method, the experimental result is good. And SEA is robust and more efficient.

采用统计能量分析方法 ( SEA) ,通过一定的简化 ,建立了出海管路系统声传播和管口声辐射的简单 SEA理论模型 ,分析了在平稳随机噪声激励下通海管路系统各组成结构的能量分布和管口声辐射功率 ,并研究和对比了不同管道几何参数情况下的管口辐射噪声 .实验结果与其他数值分析方法所得结果较为吻合 .SEA为各种声学参数的计算提供了一条较为可靠和高效的途径

A theoretical method to solve acoustical radiation modes and acoustical radiation efficiency of complex structure by a boundary element method and acoustical radiation theory is posed in this paper. The acoustical radiation power is expressed as a Hermitian quadratic form, while the radiation modes is determined by general eigenvalue decomposing, and then the radiation efficiency is computed via the orthodoxy of radiation modes with regards to impedance matrix and average...

A theoretical method to solve acoustical radiation modes and acoustical radiation efficiency of complex structure by a boundary element method and acoustical radiation theory is posed in this paper. The acoustical radiation power is expressed as a Hermitian quadratic form, while the radiation modes is determined by general eigenvalue decomposing, and then the radiation efficiency is computed via the orthodoxy of radiation modes with regards to impedance matrix and average velocity matrix; lastly, the validity of the method is proved by pulsating sphere and radiating cube with analytical results.

提出一种用边界元方法与声辐射理论求解复杂结构的声辐射模态与声辐射效率的理论方法。先将结构的声辐射功率表示为一个正定的厄米特二次型 ,运用广义特征值分解求解了复杂结构的声辐射模态 ,然后利用声辐射模态关于阻抗矩阵与均方速度耦合矩阵的正交性 ,求解了复杂结构的声辐射效率 ,最后用具有解析解的脉动球与辐射立方体验证了该方法的有效性。

 
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